A Low-Rate Voice/Video Personal Communicator Scheme


Hanzo, L, Streit, J, Salami, R and Webb, W (1995) A Low-Rate Voice/Video Personal Communicator Scheme. of the IEE RRAS'95, Bath, UK, 26 - 28 Sep 1995. , 11-16.

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Description/Abstract

A personal communication system (PCS) transceiver is proposed and investigated. A 4.8 kbit/s transformed binary pulse excited (TBPE) linear predictive speech codec, source sensitivity matched Bose-Chaudhuri-Hocquenghem (BCH) block error correction codecs, non-coherent differentially coded non-coherent 16-level quadrature amplitude modulation (16-QAM) modem and packet reservation multiple access (PRMA) are deployed. The 2.15 kBd transceiver necessitates a signal-to-noise ratio (SNR) and signal-to-interference ratio (SIR) in excess of about 24dB over Rayleigh0-fading channels in order to support 10-11 nearly un-impaired voice conversations within a bandwidth of 20kHz. Additionally, by reserving two PRMA time slots for video telephony, an 8.52 kbps videophone user can also be supported.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: Conf. Public. No. 415 Event Dates: 26 28 September 1995 Organisation: IEE Address: Bath, UK
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science > Comms, Signal Processing & Control
ePrint ID: 257114
Date Deposited: 12 Dec 2002
Last Modified: 27 Mar 2014 19:59
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/257114

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