Patent Grant
10207893
Field of the Invention
The invention relates to elevators, elevator allocation for a user, and a method and a system for elevator allocation based on a determination of walker speed.
Description of the Related Art
Even in buildings with less than ten floors, the correct allocation of elevator cars, that is, elevator cages to serve elevator calls from different floors is essential for quick response time and reduced time spent in travelling in the elevator. The time spent in the elevator is dependent on the number of intermediate floors visited and the time the elevator car doors are kept open. The problem is exacerbated in high rise buildings even though in high rise buildings the floors are usually serviced by short-distance and long-distance elevators so that only specific floors are accessible by the long-distance elevators. As is well known, elevator calls may be made from floors and from the elevator cars. An elevator call may be understood as a command for the elevator car to visit a specific floor. In modern elevator systems a user of the elevator may specify for the elevator the destination floor already when making the elevator call from a floor, that is, outside the elevator car. Herein the term elevator may be used to refer to the elevator car for simplicity. For improved elevator response time, it must be possible to minimize the time elevator car door are kept open. Naturally, closing the doors when there are still incoming passengers and there is still room in the elevator car is perceived as annoying. In present elevator systems the elevator users must come to a specific place where an elevator call keypad is located to make the elevator call. In many cases the keypad is directly in front of the elevators, but it may be also located at some distance from the elevators.
Access systems control access to a building and different areas within the building. Modern access systems rely on proximity cards that are brought to the vicinity of a proximity card reader. The proximity cards also serve as an identification of the cardholder. Therefore, it is possible to know where the cardholder is located at the instant of card reading. With the introduction of more powerful transmitters to the proximity cards, it becomes possible to just to pass a proximity card reader in order to read the proximity card.
In order to improve the service offered by an elevator system, it would be beneficial to be able to predict when an elevator user arrives at the elevators. It would also be beneficial to determine when the elevator user actually boards the elevator or whether the user is actually not going to arrive at the elevator as predicted. In this way it would be possible to ensure that elevator doors are not kept open too long.
According to an aspect of the invention, the invention is a method, comprising: determining a first position of a user of a mobile node at a first time instant, the first position being determined based on a proximity of a proximity card of the user to a first proximity card reader having a predetermined position; determining a second position of the user of the mobile node at a second time instant following the first time instant; determining a time difference between the first time instant and the second time instant; determining a walking speed of the user using the time difference, the first position and the second position; determining a third position of the user of the mobile node; determining a walking time required for the user to reach at least one elevator from the third position based on the walking speed of the user; and transmitting an elevator call and the walking time to an elevator call control node.
According to a further aspect of the invention, the invention is an apparatus comprising at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform: determining a first position of a user of a mobile node at a first time instant, the first position being determined based on a proximity of a proximity card of the user to a first proximity card reader having a predetermined position; determining a second position of the user of the mobile node at a second time instant following the first time instant; determining a time difference between the first time instant and the second time instant; determining a walking speed of the user using the time difference, the first position and the second position; determining a third position of the user of the mobile node; determining a walking time required for the user to reach at least one elevator from the third position based on the walking speed of the user; and transmitting an elevator call and the walking time to an elevator call control node.
According to a further aspect of the invention, the invention is an access control computer comprising the apparatus.
According to a further aspect of the invention, the invention is a mobile node comprising the apparatus.
According to a further aspect of the invention, the invention is an apparatus comprising means for determining a first position of a user of a mobile node at a first time instant, the first position being determined based on a proximity of a proximity card of the user to a first proximity card reader having a predetermined position; means for determining a second position of the user of the mobile node at a second time instant following the first time instant; means for determining a time difference between the first time instant and the second time instant; means for determining a walking speed of the user using the time difference, the first position and the second position; means for determining a third position of the user of the mobile node; means for determining a walking time required for the user to reach at least one elevator from the third position based on the walking speed of the user; and means for transmitting an elevator call and the walking time to an elevator call control node. The apparatus may be the mobile node or an access control node.
According to a further aspect of the invention, the invention is a computer program comprising code adapted to cause the following when executed on a data-processing system: determining a first position of a user of a mobile node at a first time instant, the first position being determined based on a proximity of a proximity card of the user to a first proximity card reader having a predetermined position; determining a second position of the user of the mobile node at a second time instant following the first time instant; determining a time difference between the first time instant and the second time instant; determining a walking speed of the user using the time difference, the first position and the second position; determining a third position of the user of the mobile node; determining a walking time required for the user to reach at least one elevator from the third position based on the walking speed of the user; and transmitting an elevator call and the walking time to an elevator call control node.
According to a further aspect of the invention, the invention is a computer program product comprising the computer program.
According to a further aspect of the invention, the invention is a method, comprising: determining a first position of a user of a mobile node at a first time instant; determining a second position of the user of the mobile node at a second time instant following the first time instant; determining a time difference between the first time instant and the second time instant; determining a walking speed of the user using the time difference, the first position and the second position; determining a third position of the user of the mobile node; determining a walking time required for the user to reach at least one elevator from the third position based on the walking speed of the user; and transmitting an elevator call and the walking time to an elevator call control node.
According to a further aspect of the invention, the invention is an apparatus comprising means for performing each of the method steps.
According to a further aspect of the invention, the invention is a computer program comprising code adapted to cause the performing of each of the method steps when executed on a data-processing system.
In one embodiment of the invention, the elevator car may also be referred to as elevator cage. The elevator car may be elevator cage.
In one embodiment of the invention, the mobile node comprises a near-field communication antenna, a near-field transmitter and/or a near-field receiver and a memory which may store person identifier or person number or a number of a proximity card. The memory may be part of a memory of the mobile node or a separate memory dedicated for near-field communication related data. The memory, the near-field communication antenna, the near-field transmitter and/or the near-field receiver may implement a proximity card apparatus or equipment in the mobile node, which may be referred to as the proximity card.
In one embodiment of the invention, the proximity of a proximity card of the user to a proximity card reader may be defined as a proximity which allows a signal to be correctly received by the proximity card reader from the proximity card.
In one embodiment of the invention, the mobile node comprises the proximity card. The proximity card comprised in the mobile node may be an active proximity card or a passive proximity card. The proximity card comprised in the mobile node may be a module or a unit that may comprise at least one of a proximity card antenna such as a coil antenna or a near-field communication antenna, a near-field transmitter and/or a near-field receiver, an integrated circuit which may store person identifier or person number or a number of the proximity card. The person identifier, the person number of the proximity card number may be used to identify the user of the mobile node. The proximity card module or unit may also comprise a processor and a memory for storing the person identifier or number. The proximity card module or unit may be powered from the battery of the mobile node or from a capacitor.
In one embodiment of the invention, the proximity card may be inserted in the mobile node as a removable module.
In one embodiment of the invention, the proximity card is attached to the mobile node or affixed to the mobile node.
In one embodiment of the invention, the third position may be the second position.
In one embodiment of the invention, the proximity card stores at least one of an identifier of the proximity card, a person identifier and a person number.
In one embodiment of the invention, the time difference is a time elapsed between the first time instant and the second time instant.
In one embodiment of the invention, the steps of determining of the first position of the user, determining of the second position of the user, determining of the time difference, and determining of the walking speed of the user are performed by the mobile node.
In one embodiment of the invention, the steps of determining of the first position of the user, determining of the second position of the user, determining of the time difference, and determining of the walking speed of the user are performed by the access control node.
In one embodiment of the invention, the determining of the third position of the user of the mobile node is performed by the mobile node. The determining of the third position of the user of the mobile node may be based on at least one inertial position measurement or a reception of a short-range radio signal by the mobile node. The short-range radio signal may be transmitted from a radio transmitter which is associated, for example, with a destination operator panel. The determining of the third position may be performed by the mobile node in response to receiving a near-field communication signal from a near-field transmitter. The near-field transmitter may be located close to or in association with a destination operator panel.
In one embodiment of the invention, the determining of the third position of the user of the mobile node is performed by the access control node. The determining of the third position may be based on a proximity of the proximity card of the user to a third proximity card reader having a predetermined position. The third proximity card reader may be located in close proximity to a destination operator panel or similar user interface, which may thereby allow the determining of the walking time required for the user to reach the at least one elevator from the destination operator panel or the similar user interface.
In one embodiment of the invention, the determining of the walking time required for the user to reach the at least one elevator from the third position based on the walking speed of the user may be performed by the mobile node or the access control node.
In one embodiment of the invention, the transmitting of the elevator call and the walking time to the elevator call control node may be performed by the mobile node or the access control node.
In one embodiment of the invention, the method further comprises performing a plurality of inertial position measurements in the mobile node, in response to the determination of the first position; determining a path or a distance the user has walked based on the first position, the second position and the plurality of inertial position measurements; and using the path or the distance, in addition to the time difference, in the determining of the walking speed of the user.
In one embodiment of the invention, the method further comprises performing a plurality of inertial position measurements in the mobile node, in response to the determination of the first position. The determining of the second position of the user of the mobile node at a second time instant may be comprised among the plurality of inertial position measurements.
In one embodiment of the invention, the determining of the second position of the user of the mobile node is performed in response to a condition, the condition being at least one of a determination that a predefined time has elapsed from the first time instant, a determination using at least one inertial position measurement that the user has walked a predefined distance from the first position, a determination using at least one positioning that the user has entered a predefined area in a floor, and a determination that the user has made an elevator call after the first time instant.
In one embodiment of the invention, the second position is determined based a proximity of the proximity card to a second proximity card reader having a predetermined position.
In one embodiment of the invention, an inertial position measurement is a determination of a position of the mobile node using an accelerometer or an accelerometer in combination with a gyroscope. The inertial position measurement stored in a memory or the mobile station may be associated with a timestamp of the time of the position determination.
In one embodiment of the invention, an access control node communicatively connected to the first proximity card reader and the second proximity card reader transmits a request to the mobile node to perform the plurality of inertial position measurements in the mobile node, in response to the determination of the first position. The access control node may recognize the user based on an identifier of the user stored in a proximity card carried by the user. The access control node may determine the first position and the second position based on messages from the first proximity card reader and the second proximity card reader, respectively.
In one embodiment of the invention, the determining a walking speed of the user using the time difference, the first position and the second position and the plurality of inertial position measurements may comprise determining whether the plurality of inertial position measurements indicate a meandering from a predefined path by the user or a stopping of the user. The predefined path is stored to a memory of the access control node and indicates a direct or an average path from the first proximity card reader and the second proximity card reader. In case of meandering or stopping the walking speed may not be determined.
In one embodiment of the invention, the determining a third position of the user of the mobile node is determined in response to reading the proximity card in a proximity of a third proximity card reader and the reporting of the proximity to the access control node by the third proximity card reader.
In one embodiment of the invention, the determining of the third position of the user of the mobile node is performed by an elevator call control node in response to receiving an elevator call via a destination operator panel. The destination operator panel may be configured to read a proximity card of the user via a proximity card reader in association with the destination operator panel. The destination operator panel may also comprise a short-range radio receiver configured to receive a short-range radio signal from the mobile node of the user.
In one embodiment of the invention, the determining of the third position of the user is performed by the access control node in response to a position report from the mobile node. The position report may be sent by the mobile node in response to detecting a predefined position defined to be tracked in association with a plurality of inertial position measurements performed by the mobile node. The predefined position may be provided to the mobile node from the elevator control node or the access control node via the mobile communication network.
In one embodiment of the invention, the transmitting of the elevator call may be performed by the access control node in response to detecting the proximity of the user at the third proximity card reader. The elevator call may be transmitted by the mobile node in response to detecting the third position in the mobile node or a message from the access control to the mobile node indicating the third position, in response to detecting the third position by the access control node, for example, by a third proximity card reader reading the proximity card of the user.
In one embodiment of the invention, the mobile node may receive information on the third position from the access control node or the elevator control node and the mobile node may store information on the third position. The mobile node may compare current positions to determine whether the mobile node is in the third position. The current positions may be determined based on a short-range radio receiver receiving a position indicator signal. The current position may be determined using inertial position measurements. The inertial position measurements may be performed in response to a determination of a predefined position from short-range radio transmitter received by the mobile node or in response to a message, for example, from the access control node, indicating that the mobile node is currently in a position having predefined position coordinates.
In one embodiment of the invention, the walking time may be transmitted to the elevator call control node by the access control node or by the mobile node.
In one embodiment of the invention, the method further comprises receiving, by the elevator call control node, the elevator call; receiving, by the elevator call control node, the walking time; and selecting, in the elevator call control node, an elevator car to serve the elevator call based on the walking time, a floor comprising the third position, current positions of at least two candidate elevator cars, and current directions of at the least two candidate elevator cars.
In one embodiment of the invention, the method further comprises transmitting information on the selected elevator car to at least one of the mobile node and a display from the elevator call control node.
In one embodiment of the invention, the method further comprises receiving the information on the selected elevator car in the mobile node; and indicating the selected elevator car on a display of the mobile node to the user.
In one embodiment of the invention, the method further comprises receiving the information on the selected elevator car in the display; and indicating the selected elevator car on the display to the user.
In one embodiment of the invention, the method further comprises recording a receiving time of the elevator call.
In one embodiment of the invention, the method further comprises detecting an entering of a person into the selected elevator car based on at least one photocell detector; verifying the entering of the person into the selected elevator car based on an elevator scale in the selected elevator car, the elevator scale indicating an increase in load, the increase exceeding a predefined minimum weight of a human; matching a time elapsed since the receiving time of the elevator call to the walking time; and determining, by the elevator call control node that the user has entered the selected elevator car.
In one embodiment of the invention, the method further comprises determining that there are no remaining users for which the elevator car has been selected in current floor, in response to the determining that the user has entered the selected elevator car; and closing doors of the selected elevator car.
In one embodiment of the invention, the method further comprises recording a plurality of second inertial position measurements using the mobile node of the user, in response to the determining of the third position of the user of the mobile node; comparing, by the mobile node, the plurality of the second inertial position measurements to a predefined route from the third position to the at least one elevator; and transmitting an elevator call cancelling request to the elevator control node, if the plurality of the second inertial position measurements indicate a deviation from the predefined route by the user or if the plurality of the second inertial position measurements indicate a stopping of the user.
In one embodiment of the invention, the method further comprises receiving information of the elevator call via a user interface to the mobile node, the information being received at the third position of the user of the mobile node.
In one embodiment of the invention, the method further comprises receiving information of the elevator call via a user interface from the user, the user interface being positioned at the third position.
In one embodiment of the invention, the step of determining the third position of the user of the mobile node comprises determining the third position based on a predefined position of the user interface.
In one embodiment of the invention, the user interface is a destination operator panel of the elevator call control node.
In one embodiment of the invention, the method further comprises transmitting, by the elevator call control node, to the mobile node, a request to record a plurality of second inertial position measurements.
In one embodiment of the invention, the method further comprises measuring a magnetic map of a floor using a magnetometer in the mobile node; storing the magnetic map to a memory of the mobile node; and determining the first, the second and the third position based on the magnetic map.
In one embodiment of the invention, the elevator call comprises information on the target floor and the selecting of the elevator car to serve the elevator call uses the target floor as a further criterion. The target floor is to be understood as the destination of the elevator ride for the user, the mobile node of which detects or makes the elevator call.
In one embodiment of the invention, the method further comprises transmitting a request to the elevator call control node associated with the selected elevator car, the request indicating the floor the elevator call was made in.
In one embodiment of the invention, the method further comprises indicating the selected elevator car to the user of the mobile node.
In one embodiment of the invention, the selected elevator car is indicated to the user of the mobile node using a display of the mobile node.
In one embodiment of the invention, the selected elevator car is indicated to the user of the mobile node using an external display within a predefined proximity from the mobile node.
In one embodiment of the invention, in the selection of the elevator car to serve the elevator call is used the time to reach a door of the elevator car from the elevator location. There may be multiple elevator locations within a floor. The elevator location cells may be located in front of, for example, a row or other spatial arrangement of the elevator shafts. The nearest elevator location to the third position where the elevator call may be made may be selected as the elevator location.
In one embodiment of the invention, by elevator car doors may also be meant floor doors preventing access to an elevator shaft. An elevator car itself may not have doors.
In one embodiment of the invention, the mobile node comprises at least one of a handset, a chipset, a mobile device and a mobile terminal.
In one embodiment of the invention, the access control node comprises an access control computer, for example, an access control server or an access control node.
In one embodiment of the invention, the at least one processor of the apparatus, for example, of the mobile node or the access control node may be configured to perform any of the method steps disclosed hereinabove.
In one embodiment of the invention, the access controller is configured to obtain via at least one of the first proximity card reader, the second proximity card reader, the third proximity card reader and a proximity card reader in association with a destination operator panel, at least one of an identifier of the proximity card, a person identifier and a person number from the proximity card, for example, from the memory of the proximity card or the integrated circuit of the proximity card.
In one embodiment of the invention, the mobile node such as a User Equipment (UE) comprises a mobile station or generally a mobile terminal. In one embodiment of the invention a user of a mobile terminal is identified using a subscriber module, for example, User Services Identity Module (USIM) or a Subscriber Identity Module (SIM). The combination of Mobile Equipment (ME) and a subscriber module may be referred to as a mobile subscriber or a mobile node. A mobile subscriber may be identified using an IMSI. An IP address may be allocated or associated with a mobile subscriber.
In one embodiment of the invention, the mobile node is configured to be used in a 4G system such as, for example, LTE Evolved Packet System (EPS).
In one embodiment of the invention, the computer program is stored on a non-transitory computer readable medium. The computer readable medium may be, but is not limited to, a removable memory card, a removable memory module, a magnetic disk, an optical disk, a holographic memory or a magnetic tape. A removable memory module may be, for example, a USB memory stick, a PCMCIA card or a smart memory card.
In one embodiment of the invention, an apparatus comprising at least one processor and at least one memory including computer program code, the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to perform a method according to any of the method steps.
The embodiments of the invention described hereinbefore may be used in any combination with each other. Several or at least two of the embodiments may be combined together to form a further embodiment of the invention. A method, an apparatus, a computer program or a computer program product to which the invention is related may comprise at least one of the embodiments of the invention described hereinbefore.
It is to be understood that any of the above embodiments or modifications can be applied singly or in combination to the respective aspects to which they refer, unless they are explicitly stated as excluding alternatives.
The benefits of the invention are related to improved elevator response time, reduced travel time in elevators and reduced energy consumption of an elevator system.
The accompanying drawings, which are included to provide a further understanding of the invention and constitute a part of this specification, illustrate embodiments of the invention and together with the description help to explain the principles of the invention. In the drawings:
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
In
The starting point in
At time T1, an identifier of first proximity card reader 142 is transmitted to access control node 140, the transmission comprising an identifier of passenger 110, for example, a person identifier such as a person number. Access control node 140 may determine a position of first proximity card reader 142 based on the identifier of first proximity card reader 142, which may be mapped to a predetermined position of proximity card reader 142. Access control node 140 may determine current time T1 from an internal clock associated with access control node 140. At time T1, access control node 140 may transmit a message to mobile node 112 via mobile communication network 132 and base station 130. The message may request mobile node 112 to start performing inertial position measurements and to store the position measurements in a memory of mobile node 112 together with timestamps of the position measurements.
In one embodiment of the invention, mobile node 112 may be configured to recognize the position of first proximity card reader 142 based on a short-range radio signal from proximity card reader 142. Mobile node 112 may be configured to start performing inertial position measurements and to store the position measurements together with timestamps of the position measurements in a memory of mobile node 112 based on the short-range radio signal. Mobile node 112 may be configured to receive a request message from access control node 140 and, in response to the request message, start performing inertial position measurements and to store the position measurements together with timestamps of the position measurements in a memory of mobile node 112 based on the short-range radio signal.
Thereupon, passenger 110 walks to second proximity card reader 144, as illustrated with arrow 101. Second proximity card reader is located at access door 143. Access door 143 may be an access port or an access turnstile.
At time T2, passenger 110 is identified at second proximity card reader 144. At time T2, an identifier of second proximity card reader 144 is transmitted to access control node 140, the transmission comprising an identifier of passenger 110, for example, a person identifier such as a person number. Access control node 140 may determine a position of second proximity card reader 144 based on the identifier of second proximity card reader 144 which may be mapped to a predetermined position of proximity card reader 144. Access control node 140 may determine current time T2 from an internal clock associated with access control node 140. Access control node 140 determines the time difference between T1 and T2. At time T2, access control node 140 may transmit a message to mobile node 112 via mobile communication network 132 and base station 130. The message requests mobile node 112 to report the position measurements from the memory of mobile node 112. In response to a report comprising the position measurements, access control node 140 determines from the position measurements and the timestamps of the position measurements, if passenger 110 has stopped or meandered during the walk between first proximity card reader 142 and second proximity card reader 144 in which case the time difference does not qualify as a good approximation for walking speed determination, otherwise, access control node 140 uses the time difference together with information on the distance between the position of first proximity card reader 142 and the position of second proximity card reader 144 to determine a walking speed of passenger 110. Access control node 140 may also subtract from the time difference between T1 and T2 the times mobile node 112 has been at a standstill and passenger 110 has not moved in the computation of the walking speed.
In one embodiment of the invention, a position of mobile node 112 may be determined at time T2 without presence of second proximity card reader 144. Mobile node 112 may be positioned using at least one inertial position measurement performed by mobile node 112 between time instant T1 and time instant T2. The time T2 may be determined based on an elapsing of a predefined time after time instant T1 or based on a predefined distance walked by the user after time instant T1. The time T2 may be determined also in response to detecting that mobile node 112 enters a predefined area in floor 194.
In one embodiment of the invention, mobile node 112 may be configured to recognize the position of second proximity card reader 142 based on a short-range radio signal from proximity card reader 144. Mobile node 112 may be configured to retrieve the position measurements and the timestamps of the position measurements from the memory of mobile node 112. Mobile node 112 determines from the position measurements and the timestamps of the position measurements, if passenger 110 has stopped or meandered during the walk between first proximity card reader 142 and second proximity card reader 144 in which case the time difference does not qualify as a good approximation for walking speed determination, otherwise, access control node 140 uses the time difference together with information on the distance between the position of first proximity card reader 142 and the position of second proximity card reader 144 to determine a walking speed of passenger 110. Mobile node 112 may also subtract from the time difference between T1 and T2 the times mobile node 112 has been at a standstill and passenger 110 has not moved in the computation of the walking speed.
After time T2, either access control node 140 or mobile node 112 stores information on the walking speed of passenger 110. The information is stored in the memory of access control node 140 or mobile node 112. Thereupon, passenger 110 arrives to a position where an elevator call is made. The position may also be the position of the second proximity card reader 144. The elevator call may be made by passenger 110 using DOP 192 or using mobile node 112. In one embodiment of the invention, mobile node 112 makes the elevator call in response to determining a position where an elevator call is to be made on behalf of passenger 110. Mobile node 112 may determine the position where the elevator call is to be made using a short-range radio signal from a transmitter at the position. The position may also have a DOP such as DOP 192.
Thereupon, an elevator call is transmitted from DOP 192 or mobile node 112 to call control node 186. The elevator call identifies passenger 110 using a subscriber identifier of mobile node 112 or using a person identifier. DOP 192 may recognize passenger 110 using a proximity card reader in association with DOP 192, which reads proximity card 114 carried by passenger 110. In response to the elevator call, elevator control node 186 may enquire the walking speed from database 146 of access control node 140 using an identifier of passenger 110. The elevator call may also comprise a walking speed transmitted from mobile node 112.
Thereupon, call control node 186 has received the elevator call and the walking speed. Call control node 186 determines the distance between the position in which the elevator call is made by mobile node 112 or the position of DOP 192 and a position in front of elevator group 180. Call control node 186 determines a walking time based on the distance and the walking speed. Call control node 186 selects elevator car 182 or elevator car 184 to serve the elevator call based on the walking time, a floor comprising the position in which the elevator call is made, current positions of elevator cars 182 and 184, and current directions of elevator cars 182 and 184. Call control node 186 may have earlier determined walking time for a passenger 120 and allocated elevator car 182 for passenger 120.
At time T3, passenger 120 walks towards elevator car 182, which has been assigned to passenger 120 based on walking time from the position in which elevator call is made to a position in front of elevator group 180. It is assumed that elevator car 182 arrives earlier in floor 194 than elevator car 184. Therefore, passenger 120 who arrived earlier at the position in which elevator call is made and has a walking time substantially similar to the walking time of passenger 110, is assigned elevator car 182. The walking route for passenger 120 is illustrated with arrow 102.
At time T4, passenger 120 enters elevator car 182. The entry of passenger 120 may be verified with photovoltaic sensor 190 and may also be verified with elevator scales 188. The measurements from at least one photovoltaic sensor 190 and elevator scales 188 are transmitted to call control node 186, which verifies the entry of passenger 120. In one embodiment of the invention, elevator car 182 may also comprise a proximity card reader (not shown) that reads a proximity card held by passenger 120. The proximity card reader may transmit a signal to call control node 186 indicating that passenger 120 has arrived in elevator car 182. After the verification of entry of passenger 120, and after a further verification that no further passengers are currently assigned to elevator car 182, doors of elevator car 182 may be closed at a request from call control node 186.
At time T5, passenger 110 arrives to the position in front of elevator group 180, as illustrated with arrow 103. The arrival time T5 is too late to warrant the keeping of the doors of elevator car 182 open until time T5. Therefore, elevator car 182 is not assigned for passenger 110.
At time T6, elevator car 184 arrives in floor 194, as illustrated with arrow 104. After the doors of elevator car 184 are opened, passenger 110 may enter elevator car 184.
In one embodiment of the invention, call control node 186 comprises at least one processor and a memory. Call control node 186 may control at least one elevator or an elevator group based on elevator calls, which may be received via a car operator panel or a destination operator panel.
In one embodiment of the invention, access control node 140 comprises at least one processor and a memory. Access control node 140 may be configured to control at least one of an access door, an access port and an access turnstile. Access control node 140 may be configured to receive signals from at least one proximity card reader. Access control node 140 may store in a memory or a database access rights associated with a plurality of proximity cards. The access rights may indicate whether a particular door may be opened.
In one embodiment of the invention, call control node 186 and access control node 140 may be combined to a single network node, which may be implemented using a single server, computer unit or computer.
The embodiments of the invention described hereinbefore in association with the summary of the invention and
The system in
Passenger 110 carrying her mobile node and her proximity card is shown in
In
The embodiments of the invention described hereinbefore in association with
At step 300 there is determined a first position of a user of a mobile node at a first time instant. The first position may be determined based on proximity of a proximity card of the user to a first proximity card reader which has a predetermined position. The first position may be determined by the mobile node or by an access control node.
In one embodiment of the invention, the mobile node performs a plurality of inertial position measurements, in response to the determination of the first position. The performing of the plurality of the position measurements may be performed in response to a request from the access control node.
At step 302 there is determined a second position of the user of the mobile node at a second time instant.
In one embodiment of the invention, the second position may be determined based on proximity of the proximity card to a second proximity card reader having a predetermined position. The second position may be determined by the mobile node or by an access control node.
At step 304 there is determined a time difference between the first time instant and the second time instant. The determination may be performed by the mobile node or the access control node.
At step 306 there is determined a walking speed of the user using the time difference, the first position and the second position. The determination may be performed by the mobile node or the access control node. The determination may also be based on a plurality of inertial position measurements performed by the mobile node between the first time instant and the second time instant. The plurality of position measurement may indicate a distance walked by the user of the mobile node between the first time instant and the second time instant. In one embodiment of the invention, the walking speed of the user is determined based on the distance walked as indicated by the plurality of inertial position measurements.
In one embodiment of the invention, the determination comprises subtracting from the time difference durations of time periods during which the mobile node does not move. The time periods are determined based on the plurality of inertial position measurements. The subtraction may be performed by the mobile node or the access control node.
At step 308 there is determined a third position of the user of the mobile node.
In one embodiment of the invention, the determination may be performed in response to detecting a predefined position by the mobile node where an elevator call is to be made. The predefined position may be performed based on a proximity to a short-range radio transmitter to the mobile node.
In one embodiment of the invention, the determination may be performed in response to detecting in the access control node that the user of the mobile node is close to a destination operator panel used to make an elevator call. The detection may be performed using a proximity card reader in association with the destination operator panel.
In one embodiment of the invention, the determination may be performed in response to detecting in the access control node that the user of the mobile node is close to a third proximity card reader. The access control node is configured to receive a signal from the third proximity card reader in response to the third proximity card reader reading the proximity card of the user of the mobile node.
At step 310 there is determined a walking time required for the user to reach at least one elevator from the third position based on the walking speed of the user. The determination may be performed by the mobile node or the access control node.
At step 312 there is transmitted an elevator call and the walking time to an elevator call control node. The transmission may be performed by the mobile node or the access control node, in response to the determination of the third position of the user of the mobile node.
Thereupon, the method is finished. The method steps may be performed in the order of the numbering of the steps.
In
A protocol stack entity 432 communicates via an RF entity 430 with the at least one RF circuit 414 to perform signaling towards a base station and user data transmission and reception to/from the base station. An elevator application 434 obtains position and speed data of apparatus 400 from circuit 416. Elevator application 434 may store a data structure 436 in memory 420 which stores information on walking speed for different floors that may be identified based on current vertical position of mobile node 400. Elevator application 434 may store a data structure 438 in memory 420 which stores information on inertial position measurements performed using circuit 416 and time stamps of the measurements. Elevator application may transmit elevator calls to a remote node via protocol stack entity 432. The elevator call may be determined by the user giving the call via a user interface 422 of apparatus 400, for example, via a touchscreen or a keypad. The elevator call may be determined by elevator application 434 automatically, for example, when the user is in a predetermined position determined using a position recorded in memory 420 or when mobile node 400 detects a short-range radio signal.
RF circuit 412 may comprise a transmitter for SC-FDMA and a receiver and a transmitter for OFDMA. RF circuit 412 may also comprise a receiver for SC-FDMA. RF circuit 412 may also comprise a transmitter and a receiver circuit for WLAN transmission or reception.
When the at least one processor 414 executes functional entities associated with the invention, memory 420 comprises entities such as, any of the functional entities 430, 432 and 434.
In
In one embodiment of the invention, apparatus 500 initiates determining of a first position of a user of a mobile node at a first time instant. This may comprise that apparatus 500 requests a first proximity card reader to inform when the first proximity card reader reads a proximity card of the user of the mobile node. The determination of the first position may be performed by the proximity card reader communicating with apparatus 500. Thereupon, apparatus 500 may transmit a request to a mobile node to perform a plurality of inertial position measurements. Thereupon, apparatus 500 initiates determining a second position of the user of the mobile node at a second instant. This may comprise that apparatus 500 request a second proximity card reader to inform when the second proximity card reader reads the proximity card of the user of the mobile node. Apparatus 500 may determine the positions of the first and the second proximity card reader from data structure 538. Apparatus 500 may determine a time difference between the first time instant and the second time instant. Apparatus 500 may also receive a plurality of inertial position measurements from the mobile node of the user. Thereupon, apparatus 500 may determine a walking speed of the user using the time difference, the first position and the second position and, optionally, the plurality of inertial position measurements. Thereupon, apparatus 500 initiates determining a walking time required for the user to reach at least one elevator from the third position based on the walking speed of the user. Thereupon, apparatus 500 initiates transmitting an elevator call and the walking time to an elevator call control node.
When the at least one processor 514 executes functional entities associated with the invention, memory 520 comprises entities such as, any of the functional entities 530, 532 and 534.
The functional entities within apparatuses 400 and 500 illustrated in
The embodiments of the invention described hereinbefore in association with
The exemplary embodiments of the invention can be included within any suitable device, for example, including any suitable servers, workstations, PCs, laptop computers, PDAs, Internet appliances, handheld devices, cellular telephones, wireless devices, other devices, and the like, capable of performing the processes of the exemplary embodiments, and which can communicate via one or more interface mechanisms, including, for example, Internet access, telecommunications in any suitable form (for instance, voice, modem, and the like), wireless communications media, one or more wireless communications networks, cellular communications networks, 3G communications networks, 4G communications networks, Long-Term Evolution (LTE) networks, Public Switched Telephone Network (PSTNs), Packet Data Networks (PDNs), the Internet, intranets, a combination thereof, and the like.
It is to be understood that the exemplary embodiments are for exemplary purposes, as many variations of the specific hardware used to implement the exemplary embodiments are possible, as will be appreciated by those skilled in the hardware art(s). For example, the functionality of one or more of the components of the exemplary embodiments can be implemented via one or more hardware devices, or one or more software entities such as modules.
The exemplary embodiments can store information relating to various processes described herein. This information can be stored in one or more memories, such as a hard disk, optical disk, magneto-optical disk, RAM, and the like. One or more databases can store the information regarding cyclic prefixes used and the delay spreads measured. The databases can be organized using data structures (e.g., records, tables, arrays, fields, graphs, trees, lists, and the like) included in one or more memories or storage devices listed herein. The processes described with respect to the exemplary embodiments can include appropriate data structures for storing data collected and/or generated by the processes of the devices and subsystems of the exemplary embodiments in one or more databases.
All or a portion of the exemplary embodiments can be implemented by the preparation of one or more application-specific integrated circuits or by interconnecting an appropriate network of conventional component circuits, as will be appreciated by those skilled in the electrical art(s).
As stated above, the components of the exemplary embodiments can include computer readable medium or memories according to the teachings of the present inventions and for holding data structures, tables, records, and/or other data described herein. Computer readable medium can include any suitable medium that participates in providing instructions to a processor for execution. Such a medium can take many forms, including but not limited to, non-volatile media, volatile media, transmission media, and the like. Non-volatile media can include, for example, optical or magnetic disks, magneto-optical disks, and the like. Volatile media can include dynamic memories, and the like. Transmission media can include coaxial cables, copper wire, fiber optics, and the like. Transmission media also can take the form of acoustic, optical, electromagnetic waves, and the like, such as those generated during radio frequency (RF) communications, infrared (IR) data communications, and the like. Common forms of computer-readable media can include, for example, a floppy disk, a flexible disk, hard disk, magnetic tape, any other suitable magnetic medium, a CD-ROM, CDRW, DVD, any other suitable optical medium, punch cards, paper tape, optical mark sheets, any other suitable physical medium with patterns of holes or other optically recognizable indicia, a RAM, a PROM, an EPROM, a FLASH-EPROM, any other suitable memory chip or cartridge, a carrier wave or any other suitable medium from which a computer can read.
While the present inventions have been described in connection with a number of exemplary embodiments, and implementations, the present inventions are not so limited, but rather cover various modifications, and equivalent arrangements, which fall within the purview of prospective claims.
The embodiments of the invention described hereinbefore in association with the figures presented and the summary of the invention may be used in any combination with each other. Several of the embodiments may be combined together to form a further embodiment of the invention.
It is obvious to a person skilled in the art that with the advancement of technology, the basic idea of the invention may be implemented in various ways. The invention and its embodiments are thus not limited to the examples described above; instead they may vary within the scope of the claims.
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| Number | Date | Country | |
|---|---|---|---|
| Parent | PCT/FI2013/050967 | Oct 2013 | US |
| Child | 15087303 | US |
