NDLI: Transmit array processing for cyclic-prefix CDMA

Content Provider	IEEE Xplore Digital Library
Author	Vook, F.W. Thomas, T.A. Baum, K.L.
Copyright Year	2002
Description	Author affiliation: Commun. Syst. Res. Lab., Motorola Lab., Schaumburg, IL, USA (Vook, F.W.; Thomas, T.A.; Baum, K.L.)
Abstract	This paper explores the addition of frequency-domain transmit antenna arrays to the cyclic-prefix CDMA (CP-CDMA) system concept. CP-CDMA is a novel type of single carrier DS-CDMA that employs OFDM-style cyclic prefixes to facilitate efficient frequency-domain receiver processing in broadband CDMA cellular systems. CP-CDMA is intended for high-bandwidth, high-delay-spread cellular channels, such as those envisioned for systems that evolve from current 3G CDMA standards. This paper examines both single-data stream (i.e., maximal ratio transmission) and multiple data stream (i.e., spatial multiplexing also known as multiple-input, multiple-output or MIMO) techniques for CP-CDMA systems that operate with high code usage and multi-level modulation in broadband high delay-spread channels. In the proposed algorithms, both the transmit and receive array processing is performed completely in the frequency-domain to allow the tracking of frequency-selective MIMO channels. Simulation results are presented to show the efficacy of the proposed methods.
Starting Page	270
Ending Page	274
File Size	363180
Page Count	5
File Format	PDF
ISBN	0780374673
ISSN	10903038
DOI	10.1109/VETECF.2002.1040347
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Array signal processing Multiaccess communication MIMO Receiving antennas Transmitting antennas Modulation coding Delay Laboratories Antenna arrays Frequency domain analysis
Content Type	Text
Resource Type	Article

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