其中P 为发射的有用的信号的功率, 为噪声功率。 这个与 MRRC 是一样的。 matlab 代码一(自己写的,没有考虑效率,但是稍微直观一点) clear; close all; SNRs = (0:1:10); N = 1e5; BERs_Alamouti = zeros(size(SNRs)); nErr = zeros(size(SNRs)); tic for eee=(1:length(SNRs)) snr = SNRs(...
that are transmitted simultaneously on the Nr antennas.Below, we describe two types of space-time codes:block codesandtrellis codes. Space-Time Block Codes A space-time block code (STBC) is defined by a generator matrix G, having N rows and Nr columns, of the form in which the elements ...
Space-time block coding;Space-time coding and modulation Definition Space-time block codes are coding and modulation schemes for multi-input multi-output wireless communication systems which map information bits into multidimensional signals to be transmitted by multiple transmit antennas. Historical Backgro...
block of input bits, say a frame of data, zeros are inserted in the data stream to return the encoder to the state St = 0. Thus the STTC transmits at a bit rate of 2 bps/Hz. Matlab Simulation code 1% MATLAB script for Space-Time Treills Code23echo off4no_bits =10; %Determine ...
This chapter provides a tutorial overview of important aspects of space-time block codes (STBCs). After describing the necessary preliminaries it deals with STBCs with low maximum-likelihood (ML) decoding complexity. Multi-group low ML decoding complexity decodable codes are discussed along with thei...
space time block codeIn Multiple Input and Multiple Output system of wireless communications, Space time coding using multiple transmit antennas is the attractive technique for high bit-rate and high capacity transmission. Methods for providing transmit diversity in communication over fading channels also...
In this letter the loss in capacity is quantified as a function of channel rank, code rate, and number of receive antennas. 展开 关键词: Theoretical or Mathematical/ AWGN channels block codes channel capacity diversity reception fading channels modulation coding/ space-time block codes modulation ...
A new space-time block code family for two transmitters, called the space-time error correcting codes (STECCs), is presented. As it is built from any linea... M Lalam,K Amis,D Leroux - IEEE Press 被引量: 16发表: 2008年 Fast turbo codes with space‐time block codes in fast fading...
Download citation Received28 January 2008 Accepted16 February 2009 Published17 March 2009 Issue DateApril 2010 DOIhttps://doi.org/10.1007/s11277-009-9677-4 Keywords Resource allocation Space-time block code (STBC) Sum capacity Water-filling
Two Designs of Space-Time Block Codes Achieving Full Diversity With Partial Interference Cancellation Group Decoding A partial interference cancellation (PIC) group decoding based space-time block code (STBC) design criterion was recently proposed by Guo and Xia, where th... Z Wei,T Xu,XG Xia ...