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Multiple-input multiple-output code division multiple access (MIMO-CDMA) wireless communication equipment

机译:多输入多输出码分多址(MIMO-CDMA)无线通信设备

摘要

A multiple-input multiple-output code division multiple access (MIMO-CDMA) wireless communication equipment has a transmitter and a receiver. The transmitter has an encoder for receiving and encoding a plurality of data, and sending the data to a quadrature phase-shift keying (QPSK) unit. The QPSK unit conducts QPSK modulating to an output of the encoder and sends it to a space-time block coding (STBC) unit or a space multiplexer to process space-time coding or space coding. A plurality of data frame generating modules generate a data frame respectively based on the output of the STBC unit, a plurality of preamble codes generated by a preamble code spreading unit, a pilot code and a cyclic prefix. The data frame is sent to the receiver via a plurality of transmitting antennas.
机译:多输入多输出码分多址(MIMO-CDMA)无线通信设备具有发射机和接收机。发射器具有编码器,用于接收和编码多个数据,并将该数据发送到正交相移键控(QPSK)单元。 QPSK单元对编码器的输出进行QPSK调制,并将其发送到空时分组编码(STBC)单元或空间多路复用器以处理空时编码或空间编码。多个数据帧生成模块分别基于STBC单元的输出,由前同步码扩频单元生成的多个前同步码,导频码和循环前缀来生成数据帧。数据帧通过多个发射天线发送到接收器。

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