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논문 기본정보
Low-Power Channel-Adaptive Reconfigurable 4×4 QRM-MLD MIMO Detector
논문 개요
| 기관명 | NDSL |
|---|---|
| 저널명 | ETRI journal |
| ISSN | 1225-6463,2233-7326 |
| ISBN |
논문저자 및 소속기관 정보
| 저자(한글) | Kurniawan, Iput Heri,Yoon, Ji-Hwan,Kim, Jong-Kook,Park, Jongsun |
|---|---|
| 저자(영문) | |
| 소속기관 | |
| 소속기관(영문) | |
| 출판인 | |
| 간행물 번호 | |
| 발행연도 | 2016-01-01 |
| 초록 | This paper presents a low-complexity channel-adaptive reconfigurable $4{ times}4$ QR-decomposition and M-algorithm-based maximum likelihood detection (QRM-MLD) multiple-input and multiple-output (MIMO) detector. Two novel design approaches for low-power QRM-MLD hardware are proposed in this work. First, an approximate survivor metric (ASM) generation technique is presented to achieve considerable computational complexity reduction with minor BER degradation. A reconfigurable QRM-MLD MIMO detector (where the M-value represents the number of survival branches in a stage) for dynamically adapting to time-varying channels is also proposed in this work. The proposed reconfigurable QRM-MLD MIMO detector is implemented using a Samsung 65 nm CMOS process. The experimental results show that our ASM-based QRM-MLD MIMO detector shows a maximum throughput of 288 Mbps with a normalized power efficiency of 10.18 Mbps/mW in the case of $4{ times}4$ MIMO with 64-QAM. Under time-varying channel conditions, the proposed reconfigurable MIMO detector also achieves average power savings of up to 35% while maintaining a required BER performance. |
| 원문URL | http://click.ndsl.kr/servlet/OpenAPIDetailView?keyValue=03553784&target=NART&cn=JAKO201650661372126 |
| 첨부파일 |
추가정보
| 과학기술표준분류 | |
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| ICT 기술분류 | |
| DDC 분류 | |
| 주제어 (키워드) | MIMO detection,QRM-MLD,reconfigurable architecture,maximum likelihood detection |