Multi-channel support within single user, multiple user, multiple access, and/or MIMO wireless communications
View Patent ↗Multi-channel support within single user, multiple user, multiple access, and/or MIMO wireless communications. A processor of the communication device is implemented to process a signal to generate processed signals. Also, the communication device includes multiple inverse discrete fast Fourier transform (IDFT) processors respectively to process the processed signals to generate a signal streams respectively across channels (e.g., a first of the IDFT processors is implemented to process a first processed signal to generate a first signal stream based on a fast Fourier transform (FFT) channelization across a first number of orthogonal frequency division multiplexing (OFDM) tones, and a second of the IDFT processors is implemented to process a second processed signal to generate a second signal stream based on the FFT channelization across a second number of OFDM tones). The communication device also includes communication interface(s) to transmit the signal streams to at least one additional communication device.
1. A wireless communication device comprising:
a common binary convolutional code (BCC) encoder configured to encode at least one information bit to generate a plurality of encoded bits;
a common BCC interleaver configured to interleave the plurality of encoded bits to generate a plurality of interleaved bits;
a common constellation mapper configured to:
receive the plurality of interleaved bits; and
map the plurality of interleaved bits to at least one constellation to generate a plurality of processed signals for output via a plurality of pathways;
a plurality of inverse discrete fast Fourier transform (IDFT) processors respectively configured along the plurality of pathways to process the plurality of processed signals to generate a plurality of signal streams respectively across a plurality of channels, wherein:
a first of the IDFT processors configured along a first pathway of the plurality of pathways to process a first signal of the plurality of processed signals to generate a first of the plurality of signal streams based on a fast Fourier transform (FFT) channelization across a first number of orthogonal frequency division multiplexing (OFDM) tones; and
a second of the IDFT processors configured along a second pathway of the plurality of pathways to process a second signal of the plurality of processed signals to generate a second of the plurality of signal streams based on the FFT channelization across a second number of OFDM tones; and
at least one communication interface configured to transmit the plurality of signal streams to at least one additional wireless communication device, wherein at least one of the first number of OFDM tones and the second number of OFDM tones occupying 144 tones or 128 tones within the FFT channelization.
2. The wireless communication device of claim 1 , wherein:
the plurality of interleaved bits corresponding to a plurality of orthogonal frequency division multiplexing (OFDM) tones ranging from a lowest frequency tone to a highest frequency tone; and
the common constellation mapper sequentially configured to map the plurality of interleaved bits, wherein:
a first subset of the plurality of interleaved bits, including the lowest frequency tone, is mapped to a first of the plurality of channels; and
a second subset of the plurality of interleaved bits, including the highest frequency tone, is mapped to a second of the plurality of channels.
3. The wireless communication device of claim 1 further comprising:
the common constellation mapper configured to map:
a first subset of the plurality of interleaved bits mapped to a first of the plurality of channels based on with a first modulation corresponding to a first mapping of a first plurality of constellation points therein; and
a second subset of the plurality of interleaved bits mapped to a second of a plurality of channels based on a second modulation corresponding to a second mapping of a second plurality of constellation points therein.
4. The wireless communication device of claim 1 further comprising:
a plurality of insert guard interval (GI) and window processors configured to process the plurality of signal streams to generate a plurality of processed signal streams, wherein:
a first of the insert GI and window processors configured to process the first of the plurality of signal streams to generate a first of the plurality of processed signal streams; and
a second of the insert GI and window processors configured to process the second of the plurality of signal streams to generate a second of the plurality of processed signal streams; and
a plurality of frequency rotation processors configured to process the plurality of processed signal streams, wherein:
a first of the frequency rotation processors configured to rotate the first of the plurality of processed signal streams to a center of a first of the plurality of channels; and
a second of the frequency rotation processors configured to rotate the second of the plurality of processed signal streams to a center of a second of the plurality of channels.
5. The wireless communication device of claim 1 further comprising:
an access point (AP), wherein the at least one additional wireless communication device includes a wireless station (STA).
6. A wireless communication device comprising:
a common processor configured to process a signal to generate a plurality of processed signals for output via a plurality of pathways;
a plurality of inverse discrete fast Fourier transform (IDFT) processors respectively configured along the plurality of pathways to process the plurality of processed signals to generate a plurality of signal streams respectively across a plurality of channels, wherein:
a first of the IDFT processors configured along a first pathway of the plurality of pathways to process a first signal of the plurality of processed signals to generate a first of the plurality of signal streams based on a fast Fourier transform (FFT) channelization across a first number of orthogonal frequency division multiplexing (OFDM) tones; and
a second of the IDFT processors configured along a second pathway of the plurality of pathways to process a second signal of the plurality of processed signals to generate a second of the plurality of signal streams based on the FFT channelization across a second number of OFDM tones; and
at least one communication interface configured to transmit the plurality of signal streams to at least one additional wireless communication device.
7. The wireless communication device of claim 6 , wherein the processor including:
a common binary convolutional code (BCC) encoder configured to encode at least one information bit to generate a plurality of encoded bits;
a common BCC interleaver configured to interleave the plurality of encoded bits to generate a plurality of interleaved bits; and
a common constellation mapper configured to:
receive the plurality of interleaved bits; and
map the plurality of interleaved bits to at least one constellation to generate a plurality of processed signals for output via the plurality of pathways.
8. The wireless communication device of claim 7 , wherein the plurality of interleaved bits corresponding to a plurality of orthogonal frequency division multiplexing (OFDM) tones ranging from a lowest frequency tone to a highest frequency tone; and further comprising:
the common constellation mapper sequentially configured to map the plurality of interleaved bits, wherein:
a first subset of the plurality of interleaved bits, including the lowest frequency tone, is mapped to a first of the plurality of channels; and
a second subset of the plurality of interleaved bits, including the highest frequency tone, is mapped to a second of the plurality of channels.
9. The wireless communication device of claim 7 further comprising:
the common constellation mapper configured to map:
a first subset of the plurality of interleaved bits mapped to a first of the plurality of channels in accordance with a first modulation corresponding to a first mapping of a first plurality of constellation points therein; and
a second subset of the plurality of interleaved bits mapped to a second of a plurality of channels in accordance with a second modulation corresponding to a second mapping of a second plurality of constellation points therein.
10. The wireless communication device of claim 6 , wherein at least one of the first number of OFDM tones and the second number of OFDM tones occupying 144 tones or 128 tones within the FFT channelization.
11. The wireless communication device of claim 6 further comprising:
a plurality of insert guard interval (GI) and window processors configured to process the plurality of signal streams to generate a plurality of processed signal streams, wherein:
a first of the insert GI and window processors configured to process the first of the plurality of signal streams to generate a first of the plurality of processed signal streams; and
a second of the insert GI and window processors configured to process the second of the plurality of signal streams to generate a second of the plurality of processed signal streams; and
a plurality of frequency rotation processors configured to process the plurality of processed signal streams, wherein:
a first of the frequency rotation processors configured to rotate the first of the plurality of processed signal streams to a center of a first of the plurality of channels; and
a second of the frequency rotation processors configured to rotate the second of the plurality of processed signal streams to a center of a second of the plurality of channels.
12. The wireless communication device of claim 6 further comprising:
a wireless station (STA), wherein the at least one additional wireless communication device includes an access point (AP).
13. The wireless communication device of claim 6 further comprising:
an access point (AP), wherein the at least one additional wireless communication device includes a wireless station (STA).
14. A method for execution by a communication device, the method comprising:
operating a common processor for processing a plurality of signal to generate a plurality of processed signals for output via a plurality of pathways;
operating a plurality of inverse discrete fast Fourier transform (IDFT) processors respectively configured along the plurality of pathways to process the plurality of processed signals to generate a plurality of signal streams respectively across a plurality of channels, including:
operating a first of the IDFT processors configured along a first pathway of the plurality of pathways to process a first signal of the plurality of processed signals to generate a first of the plurality of signal streams in accordance with a fast Fourier transform (FFT) channelization across a first number of orthogonal frequency division multiplexing (OFDM) tones; and
operating a second of the IDFT processors configured along a second pathway of the plurality of pathways to process a second signal of the plurality of processed signals to generate a second of the plurality of signal streams in accordance with the FFT channelization across a second number of OFDM tones; and
operating at least one communication interface to transmit the plurality of signal streams to at least one additional communication device.
15. The method of claim 14 , wherein the processing the plurality of signal to generate the plurality of processed signals further comprising:
operating a common binary convolutional code (BCC) encoder for BCC encoding at least one information bit to generate a plurality of encoded bits;
operating a common BCC interleaver for BCC interleaving the plurality of encoded bits to generate a plurality of interleaved bits; and
operating a common constellation mapper for constellation mapping the plurality of interleaved bits to at least one constellation to generate the plurality of processed signals.
16. The method of claim 15 , wherein:
the plurality of interleaved bits corresponding to a plurality of orthogonal frequency division multiplexing (OFDM) tones ranging from a lowest frequency tone to a highest frequency tone; and further comprising:
sequentially constellation mapping the plurality of interleaved bits, including:
mapping a first subset of the plurality of interleaved bits, including the lowest frequency tone, to a first of the plurality of channels; and
mapping a second subset of the plurality of interleaved bits, including the highest frequency tone, to a second of the plurality of channels.
17. The method of claim 15 , further comprising constellation mapping:
a first subset of the plurality of interleaved bits mapped to a first of the plurality of channels in accordance with a first modulation corresponding to a first mapping of a first plurality of constellation points therein; and
a second subset of the plurality of interleaved bits mapped to a second of a plurality of channels in accordance with a second modulation corresponding to a second mapping of a second plurality of constellation points therein.
18. The method of claim 14 , wherein at least one of the first number of OFDM tones and the second number of OFDM tones occupying 144 tones or 128 tones within the FFT channelization.
19. The method of claim 14 further comprising:
operating a plurality of insert guard interval (GI) and window processors to process the plurality of signal streams to generate a plurality of processed signal streams, including:
operating a first of the insert GI and window processors to process the first of the plurality of signal streams to generate a first of the plurality of processed signal streams; and
operating a second of the insert GI and window processors to process the second of the plurality of signal streams to generate a second of the plurality of processed signal streams; and
operating a plurality of frequency rotation processors to process the plurality of processed signal streams, including:
operating a first of the frequency rotation processors to rotate the first of the plurality of processed signal streams to a center of a first of the plurality of channels; and
operating a second of the frequency rotation processors to rotate the second of the plurality of processed signal streams to a center of a second of the plurality of channels.
20. The method of claim 14 , wherein the communication device being an access point (AP), and the at least one additional communication device being a wireless station (STA).