http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112054975-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04L25-03254 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04L25-03305 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04L25-0256 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04L25-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04L25-02 |
| filingDate | 2020-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-11-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-11-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112054975-B |
| titleOfInvention | A Joint Estimation and Detection Method Based on BP-MF Framework and VAMP |
| abstract | The invention belongs to the technical field of wireless communication, and discloses a joint estimation and detection method based on a BP-MF framework and a VAMP, comprising the following steps: Step A: Factoring the joint posterior probability density function of the to-be-estimated quantity of an OFDM system model and obtain the corresponding factor graph model; step B, set initialization parameter values for the factor graph model in step A, use the BP-MF framework to perform the decoding, soft demodulation and noise accuracy estimation of the joint convolutional code, and obtain the frequency domain Estimated value of the channel; Step C. In the factor graph model, according to the obtained estimated value of the frequency domain channel, use the VAMP algorithm to iteratively execute the denoising step and the LMMSE estimation step, and obtain the estimation of the time domain channel and the frequency domain channel value; step D, repeat step B to step C until the algorithm converges; compared with the existing algorithm, the algorithm has the same bit error rate performance, but the single iteration complexity and iterative convergence speed are significantly improved. |
| priorityDate | 2020-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 17.