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A Packet Reservation Multiple Access Assisted Cordless Telecommunication Scheme

Hanzo, L, Cheung, J C S, Steele, R and Webb, W T (1994) A Packet Reservation Multiple Access Assisted Cordless Telecommunication Scheme IEEE Transactions of Vehicular Technology, 43, (2), pp. 234-244.

Record type: Article


Abstract - A packet reservation multiple access (PRMA) assisted microceflutar cordless telecommunications (CT) system is investigated for office type environments in absence of cochannel interference. The objective speech quality is found as a function of channel signal-to-noise ratio (SNR) for transmissions over narrowband Rayleigh fading channels, parameterized with the number of PRMA users. A moderate complexity 16-ary CT scheme constituted by a 4-bit/symbol 32-kbps 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 264-kBd 20-slot PRMA scheme supports 36 users while maintaining virtually imperceptible speech degradation for channel SNR's in excess of about 25 dB, and for a mobile speed of 2 mi/h if the signal-to-interference ratio (SIR) is above 30 dB.

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Published date: May 1994
Organisations: Southampton Wireless Group


Local EPrints ID: 251363
PURE UUID: 1c900559-8e8a-40ee-aa44-68c8216f9aeb

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Date deposited: 03 Apr 2001
Last modified: 18 Jul 2017 10:10

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

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