Demodulation for probabilistic amplitude shaped signal
AssigneeQUALCOMM Incorporated
InventorsWei Yang, Mahmoud Taherzadeh Boroujeni, Jing Jiang
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Abstract
The apparatus may be an apparatus for wireless communication at a decoding device, for decoding a probabilistically-shaped quadrature amplitude modulation (QAM) signal associated with a phase modulation and an amplitude modulation. The apparatus may be configured to receive, in association with the probabilistically-shaped QAM signal, at least one symbol associated with a first amplitude and demodulate the at least one symbol based on a distance-based demodulation calculation that is adjusted based on a Maxwell-Boltzmann distribution.
Claims30
An apparatus, for wireless communication at a decoding device, for decoding a probabilistically-shaped quadrature amplitude modulation (QAM) signal associated with a phase modulation and an amplitude modulation, comprising:
- at least one memory;
- and
- at least one processor coupled to the at least one memory and, based at least in part on stored information that is stored in the at least one memory, the at least one processor, individually or in any combination, is configured to:
- receive, in association with the probabilistically-shaped QAM signal, at least one symbol associated with a first amplitude;
- and
- demodulate the at least one symbol based on a distance-based demodulation calculation that is adjusted based on a Maxwell-Boltzmann (MB) distribution, wherein the distance-based demodulation calculation comprises a calculation of a distance between a received symbol and at least one potential demodulated symbol in a set of QAM constellation points.
A method, for wireless communication at a decoding device, of decoding a probabilistically-shaped quadrature amplitude modulation (QAM) signal associated with a phase modulation and an amplitude modulation, comprising:
- receiving, in association with the probabilistically-shaped QAM signal, at least one symbol associated with a first amplitude;
- and
- demodulating the at least one symbol based on a distance-based demodulation calculation that is adjusted based on a Maxwell Boltzmann (MB) distribution, wherein the distance-based demodulation calculation comprises calculating a distance between a received symbol and at least one potential demodulated symbol in a set of QAM constellation points.
An apparatus for wireless communication at a decoding device, of decoding a probabilistically-shaped quadrature amplitude modulation (QAM) signal associated with a phase modulation and an amplitude modulation, comprising:
- means for receiving, in association with the probabilistically-shaped QAM signal, at least one symbol associated with a first amplitude;
- and
- means for demodulating the at least one symbol based on a distance-based demodulation calculation that is adjusted based on a Maxwell Boltzmann (MB) distribution, wherein the distance-based demodulation calculation comprises a calculation of a distance between a received symbol and at least one potential demodulated symbol in a set of QAM constellation points.
A non-transitory computer-readable medium storing computer executable code for decoding a probabilistically-shaped quadrature amplitude modulation (QAM) signal associated with a phase modulation and an amplitude modulation at a decoding device, the code when executed by at least one processor causes the decoding device to:
- receive, in association with the probabilistically-shaped QAM signal, at least one symbol associated with a first amplitude;
- and
- demodulate the at least one symbol based on a distance-based demodulation calculation that is adjusted based on a Maxwell-Boltzmann (MB) distribution, wherein the distance-based demodulation calculation comprises a calculation of a distance between a received symbol and at least one potential demodulated symbol in a set of QAM constellation points.
Dependencies are inferred from the claim text.