Application-Specific Instruction Set Processor Implementation of List Sphere Detector

被引：11

作者：

Antikainen, Juho ^{[1
,2
]}

Salmela, Perttu ^{[3
]}

Silven, Olli ^{[1
,2
]}

Juntti, Markku ^{[1
,2
]}

Takala, Jarmo ^{[3
]}

Myllyla, Markus ^{[1
,2
]}

机构：

[1] Univ Oulu, Informat Proc Lab, FI-90014 Oulu, Finland

[2] Univ Oulu, Ctr Wireless Commun, FI-90014 Oulu, Finland

[3] Tampere Univ Technol, Inst Digital & Comp Syst, FI-33101 Tampere, Finland

来源：

EURASIP JOURNAL ON EMBEDDED SYSTEMS | 2007年 / 01期

关键词：

D O I：

10.1155/2007/54173

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Multiple-inputmultiple-output (MIMO) technology enables higher transmission capacity without additional frequency spectrum and is becoming a part of many wireless system standards. Sphere detection has been introduced in MIMO systems to achieve maximum likelihood (ML) or near-ML estimation with reduced complexity. This paper reviews related work on sphere detector implementations and presents an application-specific instruction set processor (ASIP) implementation of K-best list sphere detector (LSD) using transport triggered architecture (TTA). The implementation is based on using memory and heap data structure for symbol vector sorting. The design space is explored by presenting several variations of the implementation and comparing them with each other in terms of their latencies and hardware complexities. An early proposal for a parallelized architecture with a decoding throughput of approximately 5.3 Mbps is presented Copyright (C) 2007 Juho Antikainen et al.

引用

页数：14

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