基于块对角算法的MIMO系统资源调度策略

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A resource scheduling strategy based on the BD algorithm for MIMO systems

LI Xiao-hui;YI Ke-chu; LIU Nai-an; TIAN Bin

State Key Lab. of Integrated Service Networks, Xidian Univ., Xi′an 710071， China

Received:1900-01-01 Revised:1900-01-01 Online:2006-10-20 Published:2006-10-30

Abstract

Abstract: A space-time resource scheduling stategy based on the Block Diagonal (BD) algorithm is presented for Multi-Input and Multi-Output systems. The transmission power is allocated by the water-filling algorithm in the space dimension and adjusted dynamically in the time domain, and then the resource allocation is expanded to space-time dimensions. The quality of service for each user is guaranteed, and the number of the users is no longer limited by the number of the transmission antennas. Simulation results show that the modified BD algorithm improves the power efficiency and maintenances the fairness among users.

Key words: Multi-Input and Multi-Output(MIMO), resource scheduling, Block Diagonal(BD), algorithm, Quality-of-Service(QoS)

CLC Number:

TN911

LI Xiao-hui;YI Ke-chu; LIU Nai-an; TIAN Bin. A resource scheduling strategy based on the BD algorithm for MIMO systems[J].J4, 2006, 33(5): 754-758.

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A resource scheduling strategy based on the BD algorithm for MIMO systems

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