Noncoherent Unitary Space-Time Modulated DSSS Systems in Multipath Channels

被引：0

作者：

Cheun, Kyungwhoon ^{[1
]}

Kim, Jeongchang ^{[2
]}

Kim, Youhan ^{[3
]}

Choi, Soongyoon ^{[4
]}

机构：

[1] POSTECH, Div Informat Technol Convergence Engn, Pohang, South Korea

[2] Korea Maritime Univ, Dept Elect & Commun Engn, Pusan, South Korea

[3] Amicus Wireless Technol Inc, Sunnyvale, CA USA

[4] Samsung Elect Co Ltd, Seoul, South Korea

来源：

JOURNAL OF COMMUNICATIONS AND NETWORKS | 2012年 / 14卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

Direct-sequence spread-spectrum (DSSS); noncoherent; transmit diversity; unitary space-time modulation; PERFORMANCE; CONSTELLATIONS; COMMUNICATION; RECEIVERS; SCHEME; CODES;

D O I：

10.1109/JCN.2012.6253070

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, in order to effectively apply unitary space-time modulation to the direct-sequence spread-spectrum multiple-access (DSSS-MA) networks, we propose a low-rate, noncoherent, unitary, and space-time modulated DSSS system supporting any number of transmit antennas based on Walsh matrices. The proposed scheme simultaneously performs bandwidth spreading and space-time coding and outperforms those using high-rate, conventional unitary space-time constellations. Furthermore, the proposed scheme allows for a simple detector structure based on fast Walsh transforms.

引用

页码：206 / 212

页数：7

共 34 条

[1] 3rd Generation Partnership Project, 25211 3GPP TS
[2] 3rd Generation Partnership Project 2, PHYS LAYER STAND CDM
[3] Multiple-antenna signal constellations for fading channels
Agrawal, D
Richardson, TJ
Urbanke, R
[J]. 2000 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS, 2000, : 365 - 365
[4] Multiple-antenna signal constellations for fading channels
Agrawal, D
Richardson, TJ
Urbanke, RL
[J]. IEEE TRANSACTIONS ON INFORMATION THEORY, 2001, 47 (06) : 2618 - 2626
[5] A simple transmit diversity technique for wireless communications
Alamouti, SM
[J]. IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, 1998, 16 (08) : 1451 - 1458
[6] [Anonymous], 2001, Matrix Analysis and Applied Linear Algebra
[7] Trellis-coded unitary space-time modulation
Bahceci, I
Duman, TM
[J]. IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2004, 3 (06) : 2005 - 2012
[8] Bahceci I, 2001, GLOB TELECOMM CONF, P1108, DOI 10.1109/GLOCOM.2001.965650
[9] Beauchamp K. G., 1984, Applications of Walsh and Related Functions
[10] Performance of asynchronous FHSS-MA networks under Rayleigh fading and tone jamming
Cheun, K
Jung, TJ
[J]. IEEE TRANSACTIONS ON COMMUNICATIONS, 2001, 49 (03) : 405 - 408

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