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Arrangements for detecting or preventing errors in the information received
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H04L1/00
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Parent Industries
H
ELECTRICITY
H04
Electric communication
H04L
TRANSMISSION OF DIGITAL INFORMATION
Current Industry
H04L1/00
Arrangements for detecting or preventing errors in the information received
Sub Industries
H04L1/0001
Systems modifying transmission characteristics according to link quality
H04L1/0002
by adapting the transmission rate
H04L1/0003
by switching between different modulation schemes
H04L1/0004
applied to control information
H04L1/0005
applied to payload information
H04L1/0006
by adapting the transmission format
H04L1/0007
by modifying the frame length
H04L1/0008
by supplementing frame payload
H04L1/0009
by adapting the channel coding
H04L1/001
applied to control information
H04L1/0011
applied to payload information
H04L1/0013
Rate matching
H04L1/0014
by adapting the source coding
H04L1/0015
characterised by the adaptation strategy
H04L1/0016
involving special memory structures
H04L1/0017
where the mode-switching is based on Quality of Service requirement
H04L1/0018
based on latency requirement
H04L1/0019
in which mode-switching is based on a statistical approach
H04L1/002
Algorithms with memory of the previous states
H04L1/0021
in which the algorithm uses adaptive thresholds
H04L1/0022
in which mode-switching is influenced by the user
H04L1/0023
characterised by the signalling
H04L1/0025
Transmission of mode-switching indication
H04L1/0026
Transmission of channel quality indication
H04L1/0027
Scheduling of signalling
H04L1/0028
Formatting
H04L1/0029
Reduction of the amount of signalling
H04L1/003
Adaptive formatting arrangements particular to signalling
H04L1/0031
Multiple signaling transmission
H04L1/0032
Without explicit signalling
H04L1/0033
arrangements specific to the transmitter
H04L1/0034
where the transmitter decides based on inferences
H04L1/0035
evaluation of received explicit signalling
H04L1/0036
arrangements specific to the receiver
H04L1/0038
Blind format detection
H04L1/0039
other detection of signalling
H04L1/004
by using forward error control
H04L1/0041
Arrangements at the transmitter end
H04L1/0042
Encoding specially adapted to other signal generation operation
H04L1/0043
Realisations of complexity reduction techniques
H04L1/0044
specially adapted for power saving
H04L1/0045
Arrangements at the receiver end
H04L1/0046
Code rate detection or code type detection
H04L1/0047
Decoding adapted to other signal detection operation
H04L1/0048
in conjunction with detection of multiuser or interfering signals
H04L1/005
Iterative decoding, including iteration between signal detection and decoding operation
H04L1/0051
Stopping criteria
H04L1/0052
Realisations of complexity reduction techniques
H04L1/0053
specially adapted for power saving
H04L1/0054
Maximum-likelihood or sequential decoding
H04L1/0055
MAP-decoding
H04L1/0056
Systems characterized by the type of code used
H04L1/0057
Block codes
H04L1/0058
Block-coded modulation
H04L1/0059
Convolutional codes
H04L1/006
Trellis-coded modulation
H04L1/0061
Error detection codes
H04L1/0063
Single parity check
H04L1/0064
Concatenated codes
H04L1/0065
Serial concatenated codes
H04L1/0066
Parallel concatenated codes
H04L1/0067
Rate matching
H04L1/0068
by puncturing
H04L1/0069
Puncturing patterns
H04L1/007
Unequal error protection
H04L1/0071
Use of interleaving
H04L1/0072
Error control for data other than payload data
H04L1/0073
Special arrangements for feedback channel
H04L1/0075
Transmission of coding parameters to receiver
H04L1/0076
Distributed coding
H04L1/0077
Cooperative coding
H04L1/0078
Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors
H04L1/0079
Formats for control data
H04L1/008
where the control data relates to payload of a different packet
H04L1/0081
Formats specially adapted to avoid errors in the feedback channel
H04L1/0082
fields explicitly indicating existence of error in data being transmitted
H04L1/0083
Formatting with frames or packets; Protocol or part of protocol for error control
H04L1/0084
Formats for payload data
H04L1/0085
Formatting with cells
H04L1/0086
Unequal error protection
H04L1/0088
in control part
H04L1/0089
in payload
H04L1/009
arrangements specific to transmitters
H04L1/0091
arrangements specific to receivers
H04L1/02
by diversity reception
H04L1/04
using frequency diversity
H04L1/06
using space diversity
H04L1/0606
Space-frequency coding
H04L1/0612
Space-time modulation
H04L1/0618
Space-time coding
H04L1/0625
Transmitter arrangements
H04L1/0631
Receiver arrangements
H04L1/0637
Properties of the code
H04L1/0643
block codes
H04L1/065
by means of convolutional encoding
H04L1/0656
Cyclotomic systems
H04L1/0662
Limited orthogonality systems
H04L1/0668
Orthogonal systems
H04L1/0675
characterised by the signaling
H04L1/0681
adapting space time parameters
H04L1/0687
Full feedback
H04L1/0693
Partial feedback
H04L1/08
by repeating transmission
H04L1/12
by using return channel
H04L1/14
in which the signals are sent back to the transmitter to be checked echo systems
H04L1/16
in which the return channel carries supervisory signals
H04L1/1607
Details of the supervisory signal
H04L1/1614
using bitmaps
H04L1/1621
Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers
H04L1/1628
List acknowledgements, i.e. the acknowledgement message consisting of a list of identifiers
H04L1/1635
Cumulative acknowledgement
H04L1/1642
Formats specially adapted for sequence numbers
H04L1/165
Variable formats
H04L1/1657
Implicit acknowledgement of correct or incorrect reception
H04L1/1664
the supervisory signal being transmitted together with payload signals; piggybacking
H04L1/1671
the supervisory signal being transmitted together with control information
H04L1/1678
where the control information is for timing
H04L1/1685
the supervisory signal being transmitted in response to a specific request
H04L1/1692
Physical properties of the supervisory signal
H04L1/18
Automatic repetition systems
H04L1/1803
Stop-and-wait protocols
H04L1/1806
Go-back-N protocols
H04L1/1809
Selective-repeat protocols
H04L1/1812
Hybrid protocols
H04L1/1816
with retransmission of the same, encoded, message
H04L1/1819
with retransmission of additional or different redundancy
H04L1/1822
involving configuration of ARQ with parallel processes
H04L1/1825
Adaptation of specific ARQ protocol parameters according to transmission conditions
H04L1/1829
Arrangements specific to the receiver end
H04L1/1832
Details of sliding window management
H04L1/1835
Buffer management
H04L1/1838
for semi-reliable protocols
H04L1/1841
Resequencing
H04L1/1845
Combining techniques
H04L1/1848
Time-out mechanisms
H04L1/1851
using multiple timers
H04L1/1854
Scheduling and prioritising arrangements
H04L1/1858
Transmission or retransmission of more than one copy of acknowledgement message
H04L1/1861
Physical mapping arrangements
H04L1/1864
ARQ related signaling
H04L1/1867
Arrangements specific to the transmitter end
H04L1/187
Details of sliding window management
H04L1/1874
Buffer management
H04L1/1877
for semi-reliable protocols
H04L1/188
Time-out mechanisms
H04L1/1883
using multiple timers
H04L1/1887
Scheduling and prioritising arrangements
H04L1/189
Transmission or retransmission of more than one copy of a message
H04L1/1893
Physical mapping arrangements
H04L1/1896
ARQ related signaling
H04L1/20
using signal quality detector
H04L1/201
Frame classification
H04L1/203
Details of error rate determination
H04L1/205
jitter monitoring
H04L1/206
for modulated signals
H04L1/208
involving signal re-encoding
H04L1/22
using redundant apparatus to increase reliability
H04L1/24
Testing correct operation
H04L1/241
using pseudo-errors
H04L1/242
by comparing a transmitted test signal with a locally generated replica
H04L1/243
at the transmitter, using a loop-back
H04L1/244
test sequence generators
H04L1/245
by using the properties of transmission codes
H04L1/246
two-level transmission codes
H04L1/247
three-level transmission codes
H04L1/248
Distortion measuring systems
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Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent number
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Issue date
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Patent number
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Issue date
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Issue date
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Issue date
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Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Method and apparatus for supporting proximity discovery procedures
Patent number
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Issue date
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Audio capture device selection for in-person conference participants
Patent number
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Issue date
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E2E synchronization
Patent number
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Issue date
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Packet fragmentation in GRE
Patent number
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Issue date
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Network congestion reduction based on routing and matching data pac...
Patent number
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Issue date
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Enhancement of PDCP duplication
Patent number
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Issue date
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Validation of a DCI format
Patent number
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Issue date
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Systems and methods for detecting and preventing fraud in a video c...
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Issue date
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Issue date
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Issue date
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Issue date
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Issue date
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Issue date
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Issue date
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Multimedia broadcast multicast services with new numerologies and r...
Patent number
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Issue date
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H03 - BASIC ELECTRONIC CIRCUITRY