Claims
- 1. An apparatus for transmitting a source signal via a wireless local area network, said apparatus comprising:
at least one error correction encoder for encoding said source signal; and a space time block encoder for encoding said error corrected signal into at least two space time block coded encoded signals, where each space time block encoded signal is transmitted using a different antenna via said wireless local area network.
- 2. The apparatus of claim 1 wherein said at least one error correction encoder comprises a Reed-Solomon encoder and a Trellis encoder, where said Reed-Solomon encoder generates a sequence of block codes and said Trellis encoder generates a sequence of convolutional codes.
- 3. The apparatus of claim 2 further comprising:
an interleaver for reordering a plurality of block codes from said Reed-Solomon encoder.
- 4. The apparatus of claim 3 further comprising:
a randomizer for randomizing the reordered plurality of block codes.
- 5. The apparatus of claim 1 further comprising:
a modulator for each encoded signal, for modulating each space time block encoded signal from said space time block encoder; and a radio transmitter for each encoded signal, for transmitting each modulated signal using one antenna via said wireless local area network.
- 6. The apparatus of claim 5 wherein said radio transmitter comprises:
an amplifier for amplifying the modulated signal; and a bandpass filter for filtering the amplified signal.
- 7. The apparatus of claim 1 further comprising:
a receiver for receiving each spatially encoded signal transmitted from said at least two antennas, and for processing each space time block coded signal to form said source signal that is compatible with a network appliance.
- 8. The apparatus of claim 7 wherein said receiver comprises:
a tuner for tuning each received signal; a demodulator for demodulating each tuned signal; a space time block decoder for decoding the demodulated signals into a space time block decoded signal; and at least one error correction decoder for decoding said space time block decoded signal into said source signal.
- 9. The apparatus of claim 8 wherein said at least one error correction decoder comprises a Trellis decoder and a Reed-Solomon decoder.
- 10. The apparatus of claim 9 further comprising a derandomizer and a deinterleaver, where said derandomizer derandomizes the Trellis decoded signal and said deinterleaver orders the derandomized signal.
- 11. The apparatus of claim 9 further comprising:
an appliance processor for converting said decoded signal into said source signal that is compatible with said network appliance.
- 12. The apparatus of claim 9 wherein said Trellis decoder uses a Viterbi algorithm.
- 13. An apparatus for providing a wireless local area network, said apparatus comprising:
a gateway for receiving a source signal from a plurality of signals, selecting a particular signal from said plurality of signals, where said gateway comprises at least one error correction encoder for encoding said selected signal, and a space time block encoder for encoding said error corrected signal into at least two spatially encoded signals, where each spatially encoded signal is transmitted using a different antenna via said wireless local area network; and a receiver for receiving the transmitted signals, and converting the received signal into said source signal that is compatible with a network appliance.
- 14. The apparatus of claim 13 wherein said at least one error correction encoder comprises a Reed-Solomon encoder and a Trellis encoder, where said Reed-Solomon encoder generates a sequence of block codes and said Trellis encoder generates a sequence of convolutional codes.
- 15. The apparatus of claim 13 wherein said receiver comprises:
a space time block decoder for decoding said received signals into a space time block decoded signal; and at least one error correction decoder for decoding said space time block decoded signal into said source signal.
- 16. The apparatus of claim 13 wherein said plurality of signals comprise at least one signal from a group comprising analog cable television, digital cable television, plain old telephone signals, digital subscriber line signals, satellite television signals, over-the-air television signals and any combination thereof.
- 17. The apparatus of claim 13 further comprising a back channel transmitter for transmitting a channel selection signal from said network appliance to said gateway.
- 18. The apparatus of claim 13 wherein said gateway comprises a radio transmitter for transmitting the selected signals and for receiving a control signal from said network appliance.
- 19. A method for transmitting a source signal via a wireless local area network, said method comprising:
encoding said source signal using at least one form of error correction; encoding said error corrected signal, using space time block coding, into at least two space time block coded signals; and transmitting said at least two space time block coded signals using at least two antennas via said wireless local area network, where each space time block coded signal is transmitted using a different antenna.
- 20. The method of claim 19 wherein said error correction encoding comprises:
encoding said source signal into a sequence of block codes using Reed-Solomon encoding; and encoding the block code into a sequence of convolutional codes using Trellis encoding.
- 21. A method for providing a wireless local area network, said method comprising:
receiving a channel selection signal via a back channel from a network appliance; selecting a channel from a plurality of channels in response to the channel selection signal; demodulating and decoding a source signal from the selected channel; encoding said source signal using at least one form of error correction; encoding said error corrected signal, using space time block coding, into at least two space time block coded signals; and transmitting said at least two space time block coded signals via at least two antennas via said wireless local area network, where each space time block coded signal is transmitted using a different antenna.
- 22. The method of claim 21 further comprising:
receiving each transmitted signal and any reflection of each transmitted signal; decoding the received signals into a space time block decoded signal; decoding the space time block decoded signal into said source signal; and processing said source signal for use with a network appliance.
Parent Case Info
[0001] This application claims benefit of U.S. provisional patent application No. 60/206,133, filed May 22, 2000, and hereby incorporated herein by reference in its entirety.
Provisional Applications (1)
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Number |
Date |
Country |
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60206133 |
May 2000 |
US |