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Time division duplex-wideband code division multiplex (TDD-WCDMA)
Ustunel, Eser
Ustunel, Eser
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2006-05
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Electronic dissertations
Electronic dissertations
Electronic dissertations
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Abstract
Code Division Multiple Access (CDMA) has been used in cellular communications area, e.g., in the second generation mobile phones since early 1990’s. Wideband CDMA (WCDMA) is a newer and faster radio technology used in the third generation mobile phones. A Frequency Division Duplexing WCDMA (FDD-WCDMA) has already been employed. In the FDD mode WCDMA, the system uses different frequency bands for the Uplink and Downlink communications. In the Time Division Duplexing WCDMA (TDD-WCDMA) mode, the system uses different time slots but the Uplink and Downlink share the common frequency band. In the TDD-WCDMA, there are two options for bandwidth: 1.28MHz and 3.84MHz. Users can send their data by spreading the data parts in a slot. The Midamble part in a slot is used for channel estimation and the guard part in a slot is for multipath interference suppression. In this work, error control codings, channel estimation, multistage multiuser detection, and power control are studied for the TDD-WCDMA communications.
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Thesis (M.S.)--Wichita State University, Electrical and Computer Engineering.
"May 2006."
Includes bibliographic references (leaves 40-42)
"May 2006."
Includes bibliographic references (leaves 40-42)
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Copyright Eser Ustunel, 2006. All rights reserved.