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Convergence Analysis of Iteratively Detected Time Hopping and DS-CDMA Ultrawide Bandwidth Systems by EXIT Charts,

Riaz, Raja, El Hajjar, Mohammed, Ahmed, Qasim, Ng, Soon, Chen, Sheng and Hanzo, Lajos (2008) Convergence Analysis of Iteratively Detected Time Hopping and DS-CDMA Ultrawide Bandwidth Systems by EXIT Charts, At IEEE VTC'08 (Spring), Singapore. 11 - 14 May 2008. , pp. 1127-1131.

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents a novel analysis on the decoding convergence of Time Hopping (TH) and Direct Sequence (DS) Code-Division Multiple-Access (CDMA) Ultrawide Bandwidth (UWB) systems when communicating over multipath Nakagami channels. The analysis is based on the Extrinsic Information Transfer (EXIT) chart where the UWB systems are serially concatenated pulse-position modulated TH and code-synchronous DS-CDMA. It is shown from an EXIT chart analysis that the multipath diversity can yield a larger area under the EXIT curve of the inner detector. This area is related to the achievable rate of the system and it can be exploited with the aid of iterative detection. Simulation results of the iteratively detected TH and DS-CDMA UWB schemes verify the EXIT chart analysis.

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More information

Published date: May 2008
Additional Information: Event Dates: 11-14 May 2008
Venue - Dates: IEEE VTC'08 (Spring), Singapore, 2008-05-11 - 2008-05-14
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 265900
URI: http://eprints.soton.ac.uk/id/eprint/265900
PURE UUID: 3fd53af9-0b48-4dd0-8e29-19d2aebf459e
ORCID for Mohammed El Hajjar: ORCID iD orcid.org/0000-0002-7987-1401

Catalogue record

Date deposited: 11 Jun 2008 12:43
Last modified: 18 Jul 2017 07:22

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Contributors

Author: Raja Riaz
Author: Mohammed El Hajjar ORCID iD
Author: Qasim Ahmed
Author: Soon Ng
Author: Sheng Chen
Author: Lajos Hanzo

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