Decoding method, apparatus, and system for OvXDM system
AssigneeShen Zhen Kuang-Chi Hezhong Technology Ltd
InventorsRuopeng Liu, Chunlin Ji, Xingan Xu, Shasha Zhang
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Abstract
This application discloses a decoding method for an OvXDM system, including: generating an augmented matrix B related to a received symbol information sequence; performing singular decomposition on the augmented matrix B; and performing decoding by using a total least square method, to obtain a decoded output information sequence. This application further discloses an OvXDM system. In a specific implementation of this application, decoding is performed by using the total least square method.
Claims12
A decoding method for an Overlapped X Division Multiplexing (OvXDM) system, comprising:
- receiving, at a receive end of the OvXDM system, a signal which is sent by a transmit end of the OvXDM system through an antenna and transmitted in a radio channel, wherein the signal comprises a received symbol information sequence;
- generating, at the receive end, an augmented matrix B related to the received symbol information sequence, wherein the augmented matrix is B=[H, y], wherein H is a multiplexed waveform coefficient matrix, y is the received symbol information sequence, a size of the matrix B is (N+K−1)×(N+1), N is a data frame length, and K is a number of times of overlapped multiplexing;
- performing, at the receive end, singular decomposition on the augmented matrix B;
- performing, at the receive end, decoding by using a total least square method based on the singular decomposition of the augmented matrix B, to obtain a decoded output information sequence;
- and
- outputting, at the receive end, the decoded output information sequence.
A decoding apparatus for an Overlapped X Division Multiplexing (OvXDM) system, wherein the decoding apparatus is provided at a receive end of the OvXDM system and comprises a hardware processor and a memory, wherein the hardware processor is configured to execute the following program modules stored in the memory:
- a receiving module, configured to receive a signal which is sent by a transmit end of the OvXDM system through an antenna and transmitted in a radio channel, wherein the signal comprises a received symbol information sequence;
- a processing module, configured to generate an augmented matrix B related to the received symbol information sequence, wherein the augmented matrix is B=[H, y], wherein H is a multiplexed waveform coefficient matrix, y is the received symbol information sequence, a size of the matrix B is (N+K−1)×(N+1), N is a data frame length, and K is a number of times of overlapped multiplexing;
- a decomposition module, configured to perform singular decomposition on the augmented matrix B;
- a decoding module, configured to perform decoding by using a total least square method based on the singular decomposition of the augmented matrix B, to obtain a decoded output information sequence;
- and
- an outputting module, configured to output the decoded output information sequence.
An Overlapped X Division Multiplexing (OvXDM) system, comprising a decoding apparatus for an OvXDM system provided at a receive end of the OvXDM system, wherein
- the decoding apparatus for the OvXDM system comprises a hardware processor and a memory, wherein the hardware processor is configured to execute the following program modules stored in the memory:
- a receiving module, configured to receive a signal which is sent by a transmit end of the OvXDM system through an antenna and transmitted in a radio channel, wherein the signal comprises a received symbol information sequence;
- a processing module, configured to generate an augmented matrix B related to a the received symbol information sequence, wherein the augmented matrix is B=[H, y], wherein H is a multiplexed waveform coefficient matrix, y is the received symbol information sequence, a size of the matrix B is (N+K−1)×(N+1), N is a data frame length, and K is a number of times of overlapped multiplexing;
- a decomposition module, configured to perform singular decomposition on the augmented matrix B;
- a decoding module, configured to perform decoding by using a total least square method based on the singular decomposition of the augmented matrix B, to obtain a decoded output information sequence;
- and
- an outputting module, configured to output the decoded output information sequence,
- wherein the OvXDM system comprises an OvTDM system, an OvFDM system, an OvCDM system, an OvSDM system, or an OvHDM system.
Dependencies are inferred from the claim text.