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Performance of PRMA Schemes via Fading Channels

Performance of PRMA Schemes via Fading Channels
Performance of PRMA Schemes via Fading Channels
A packet reservation multiple access (PRMA) assisted microcellular cordless telecommunications (CT) system is investigated for office type environments. The objective speech quality is found as a function of channel signal to noise ratio (SNR) for transmission over narrowband Rayleigh fading channels, parameterised with the number of PRMA users. A moderate complexity 16-ary CT scheme constituted by a 4 bit/symbol 32kbps adaptive differential pulse code modulation (ADPCM) speech codec, Reed-Solomon forward error correction (FEC) codec and diversity-assisted 16-level star quadrature amplitude modulation (16-StQAM) modem is proposed. The 264kBd 20-slot PRMA scheme supports 36 users while maintaining virtually imperceptible speech degradation for channel SNRs in excess of about 25dB and for mobile speeds above 2mph.
913-916
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1
Cheung, J C S
7ec28820-5200-4434-ae59-2e0b3f1827af
Steele, R
7035a3e5-8a4c-434b-a105-46fe2d63d5c3
Webb, W T
c2a88b7b-d36a-4e48-a396-58c788ffd177
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1
Cheung, J C S
7ec28820-5200-4434-ae59-2e0b3f1827af
Steele, R
7035a3e5-8a4c-434b-a105-46fe2d63d5c3
Webb, W T
c2a88b7b-d36a-4e48-a396-58c788ffd177

Hanzo, L, Cheung, J C S, Steele, R and Webb, W T (1993) Performance of PRMA Schemes via Fading Channels. VTC'93, Secaucus, NJ., United States. 18 - 20 May 1993. pp. 913-916 .

Record type: Conference or Workshop Item (Paper)

Abstract

A packet reservation multiple access (PRMA) assisted microcellular cordless telecommunications (CT) system is investigated for office type environments. The objective speech quality is found as a function of channel signal to noise ratio (SNR) for transmission over narrowband Rayleigh fading channels, parameterised with the number of PRMA users. A moderate complexity 16-ary CT scheme constituted by a 4 bit/symbol 32kbps adaptive differential pulse code modulation (ADPCM) speech codec, Reed-Solomon forward error correction (FEC) codec and diversity-assisted 16-level star quadrature amplitude modulation (16-StQAM) modem is proposed. The 264kBd 20-slot PRMA scheme supports 36 users while maintaining virtually imperceptible speech degradation for channel SNRs in excess of about 25dB and for mobile speeds above 2mph.

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More information

Published date: May 1993
Additional Information: Event Dates: 18-20 May 1993 Organisation: IEEE Address: New Jersey, USA
Venue - Dates: VTC'93, Secaucus, NJ., United States, 1993-05-18 - 1993-05-20
Organisations: Southampton Wireless Group
Learn more about Southampton Wireless Group research

Identifiers

Local EPrints ID: 257060
URI: http://eprints.soton.ac.uk/id/eprint/257060
PURE UUID: 70ba5d1b-cc5c-4c3f-837d-aca4a0fb627d
ORCID for L Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 11 Dec 2002
Last modified: 18 Mar 2024 02:33

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Contributors

Author: L Hanzo ORCID iD
Author: J C S Cheung
Author: R Steele
Author: W T Webb

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