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Resource Allocation Algorithm Of MIMO System

Posted on:2007-06-27Degree:MasterType:Thesis
Country:ChinaCandidate:P Y HeFull Text:PDF
GTID:2178360185968209Subject:Signal and Information Processing
Abstract/Summary:PDF Full Text Request
As the most critical technique of modern communication system, MIMO digital communication is absolutely attractive to solve the system capacity problem in heavily loaded wireless networks. And since power resource allocation is closely associate with the capacity of MIMO systems, how to optimal allocate power between the time slots, the frequencies or the users makes essential scence to MIMO systems, whatever in 3G system today or in beyond 3G and 4G MIMO+OFDM system in future.Nowadays there are so many essays about single use MIMO channel power allocation algorithm, and research on multi-user MIMO system power allocation also is a hot topic. Targeting on find optimal solution for these topics, the dissertation focused on power resource allocation algorithms in MIMO system. It contains:1. After analysis of wireless communication channel property and flat Rayleigh channel model theory, we build up a MIMO system model based on the correlation property, analyze the channel capacity according to information theory, and discuss about the affect of correlation coefficients between the atennas to the channel capacity.2. We build up a multi-user MIMO system downlink Broadcast channel (BC) model and investigate the power allocation algorithm between users. Targeting on this goal we fist analyze the optimal substream selection and power allocation algorithm for...
Keywords/Search Tags:MIMO, power allocation, channel capacity, iterative water-filling algorithm
PDF Full Text Request
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