Space-time block code MT-CDMA system uplink transmitting and receiving method

一种空时分组码mt-cdma系统上行链路发射与接收方法

Abstract

This invention relates to one division group code MT-CDMA system upper linkage emission and receive method, which comprises the following steps: emission step to process series change on each user data flow; cross space division coding through 2 times2 data block; processing time zone expansion on each path data flow; processing rapid Fourier change; adding and emission; receive step to receive each antenna signal for rapid Fourier change; expanding each user each load wave signal for expanding and matching filter; then for space decoding and then merging the multi-path signal time zone; merging the parallel signals to get user final judgment variables on each sub-wave; modulating final judgment variables to recover the user data signal on each load wave; then recovering the user data flow.
一种空时分组码MT-CDMA系统上行链路发射与接收方法包括以下步骤:发射步骤,对每个用户的数据流进行串并变换;数据块流经过2×2的正交空时分组编码;对每一路数据块流的子数据流进行时域扩频;进行快速付里叶逆变换;相加后发射;接收步骤,对每一天线接收到的信号进行快速付里叶变换;对每一用户每一子载波每一径的信号进行解扩与匹配滤波处理;然后进行空时解码;之后进行多径信号的时域合并;对多径合并后的信号再进行空域合并,得到用户在每一子载波信号的最终判决变量;对最终判决变量进行BPSK解调,恢复出用户在各子载波上的数据信号;再进行并串转换恢复出用户的数据流。该方法显著提高了MT-CDMA系统性能。

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Cited By (4)

    Publication numberPublication dateAssigneeTitle
    CN-103312405-ASeptember 18, 2013中国矿业大学一种时频编码分集mt-cdma系统发射与接收方法
    CN-103312405-BOctober 07, 2015中国矿业大学一种时频编码分集mt-cdma系统发射与接收方法
    CN-103427959-ADecember 04, 2013英特尔移动通信有限责任公司Transmission and detection in multiple-antenna transmission systems
    CN-103427959-BMay 31, 2017英特尔德国有限责任公司多天线传输系统中的发射和检测