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Paper Abstract and Keywords
Presentation 2006-09-01 09:50
A Low Complexity Tree-Based User Scheduling Algorithm in Up-Link MIMO Systems
Junyi Wang, Kiyomichi Araki (Tokyo Inst. of Tech/Harbin Inst.of Tech.), Zhongzhao Zhang (Harbin Inst.of Tech), Yuyuan Chang (Tokyo Inst.of Tech), Kodo Shu, Tsuyoshi Kashima (Nokia,Japan)
Abstract (in Japanese) (See Japanese page) 
(in English) The paper describes a low complexity tree-structure based user scheduling algorithm in an up-link transmission of MLD-based multi-user multiple-input multiple-output (MIMO) wireless systems. An $M$-branch step by step selection algorithm, which selects most-possible best branches at each step, is proposed to maximize the whole system sum-rate capacity. To achieve the maximized solution of the user scheduling algorithms in MIMO systems, antennas configuration and user selection are preformed simultaneously. According to the selected number of antennas of each user, different transmission schemes are also adopted by each user. Both the theoretical analysis and simulation results show that the proposed algorithms obtain near optimal performance with far low complexity comparing with the greedy search.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO / multi-user / tree-structure / user scheduling / sum-rate capacity / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 223, RCS2006-119, pp. 85-90, Aug. 2006.
Paper # RCS2006-119 
Date of Issue 2006-08-24 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee RCS  
Conference Date 2006-08-31 - 2006-09-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2006-08-RCS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Low Complexity Tree-Based User Scheduling Algorithm in Up-Link MIMO Systems 
Sub Title (in English)  
Keyword(1) MIMO  
Keyword(2) multi-user  
Keyword(3) tree-structure  
Keyword(4) user scheduling  
Keyword(5) sum-rate capacity  
1st Author's Name Junyi Wang  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech/Harbin Inst.of Tech.)
2nd Author's Name Kiyomichi Araki  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech/Harbin Inst.of Tech.)
3rd Author's Name Zhongzhao Zhang  
3rd Author's Affiliation Harbin Institute of Technology (Harbin Inst.of Tech)
4th Author's Name Yuyuan Chang  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Inst.of Tech)
5th Author's Name Kodo Shu  
5th Author's Affiliation Nokia, Japan (Nokia,Japan)
6th Author's Name Tsuyoshi Kashima  
6th Author's Affiliation Nokia, Japan (Nokia,Japan)
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Date Time 2006-09-01 09:50:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2006-119 
Volume (vol) IEICE-106 
Number (no) no.223 
Page pp.85-90 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2006-08-24 

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