NDLI: Research On Downlink Capacity For Broadband Wireless Access

Content Provider	IEEE Xplore Digital Library
Author	Wang Peng Zhao Yu Cao Dazhong
Copyright Year	2005
Description	Author affiliation: Sch. of Electron. Inf. Eng., Tianjin Univ. (Wang Peng; Zhao Yu; Cao Dazhong)
Abstract	Variable spreading factor-orthogonal frequency and code division multiplexing (VSF-OFCDM) is not only a CDMA network, but also the integration of MC-CDMA, OFDM, VSF and time and frequency two-dimensional spreading code. The complicated configuration is a challenge to traditional CDMA network planning-capacity planning. Detailed theory analysis of capacity is proposed and we develop expression of capacity for VSF-OFCDM in downlink from the viewpoint of multi-cell and isolated-cell environment. Through extremum of a multivariate function, which is proposed by Lagrange multipliers, we get the maximum capacity of voice and data in downlink, respectively. Simulation results show that in downlink, throughput performance of voice can achieve 38.9 Mbit/s while the throughput performance of data can achieve 56.8 Mbit/s from the viewpoint of multi-cell. In isolated-cell environment, throughput performance of the whole system can reach higher capacity because of none other-sell interference
Sponsorship	Univ. of Aizu, Japan Nat. Natural Sci. Found. China Fudan GrandHorizon Inf. Technol., Inc. China Hewlett-Packard Co., Ltd
Starting Page	454
Ending Page	458
File Size	192573
Page Count	5
File Format	PDF
ISBN	076952432X
DOI	10.1109/CIT.2005.162
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Code division multiplexing OFDM VSF-OFCDM Interference Radio link Downlink Throughput Multiaccess communication capacity Multicarrier code division multiple access Bandwidth Capacity planning network planning
Content Type	Text
Resource Type	Article

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