CAJ | 학술논문

针对同步DS-CDMA协作通信系统,本文考虑在转发节点端和基站端使用随机数据联合检测算法(probabilistic data association algorithm,PDA)与LDPC码译码器级联的迭代接收机PDA+LDPC,基于该迭代接收机结构,给出了一种分布式协作通信策略,研究表明,该策略较集中式协作伙伴选择策略和传统的DAF协作通信策略可取得更好的系统性能.
침대동보DS-CDMA협작통신계통,본문고필재전발절점단화기참단사용수궤수거연합검측산법(probabilistic data association algorithm,PDA)여LDPC마역마기급련적질대접수궤PDA+LDPC,기우해질대접수궤결구,급출료일충분포식협작통신책략,연구표명,해책략교집중식협작화반선택책략화전통적DAF협작통신책략가취득경호적계통성능.
Considered with the synchronous DS-CDMA cooperative communication system, this paper employs the PDA+LDPC iterative receivers which is composed by the PDA detector connected with the LDPC decoder at both of the relay nodes and the base node. Based on the proposed iterative receiver structure, a distributed cooperative communication scheme is developed, and the research results demonstrate that this scheme can achieve some performance gains over the both of the central partner node selection scheme and the conventional DAF cooperative communication means.