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Complexity and performance analysis of modulation schemes for TEDS

Shan, Rafi and Honary, Bahram and Ahmed, Hassan and Lund, David and Darnell, Michael (2011) Complexity and performance analysis of modulation schemes for TEDS. International Journal of Vehicle Information and Communication Systems, 2 (3-4). pp. 269-285. ISSN 1471-0242

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Abstract

Reliability and high quality of service for TErrestrial Trunked RAdio (TETRA) systems are ensured with number of modulation schemes mapped against application requirements. Phase modulation schemes have been extensively used in mobile systems. TETRA-I supports ?/4-differential quaternary phase-shift keying, whereas TETRA-enhanced data services support ?/8-D8PSK along with quadrature amplitude modulation (QAM) schemes to achieve higher data rate. In this paper, performance of phase modulation schemes along with sub-carrier-based QAM-4 over TETRA propagation models is presented. Comparison of performance and complexity of single-carrier and multi-carrier system designs are discussed. Comparison of both designs and modulation schemes over TU-50 and HT-200 channels help to understand the performance of TETRA-II. Implementation efficiency is analysed in terms of message error rate against Es/No over Signalling CHannel, Full size channel for downlink bursts in the 400-MHz TETRA frequency bands.

Item Type: Article
Journal or Publication Title: International Journal of Vehicle Information and Communication Systems
Uncontrolled Keywords: TETRA ; terrestrial trunked radio ; TEDS ; TETRA-enhanced data services ; ?/4-DQPSK ; ?/8-PSK ; QAM-4 ; physical layer ; TU-50 ; TU-5 ; HT-200 ; MER ; message error rate ; NDB ; normal downlink burst ; TDMA ; time division multiple access ; reliability ; quality of service ; QoS ; phase modulation ; mobile commuications
Subjects: UNSPECIFIED
Departments: Faculty of Science and Technology > School of Computing & Communications
VC's Office
ID Code: 60335
Deposited By: ep_importer_pure
Deposited On: 30 Nov 2012 10:14
Refereed?: Yes
Published?: Published
Last Modified: 17 Sep 2013 08:45
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/60335

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