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Wireless Multi-Level Graphical Correspondence

Yuen, H. and Hanzo, L. (1995) Wireless Multi-Level Graphical Correspondence At of ICUPC'95, Japan. 06 - 10 Nov 1995. , pp. 17-21.

Record type: Conference or Workshop Item (Other)


An adaptive fixed-length differential chain coding (FL-DCC) scheme is proposed for the transmission of line graphics, which can be re-configured as a lower rate, lower resolution or higher rate, higher resolution source codec. The dual-rate re-configurable FL-DCG codec is embedded in a voice, video multimedia communicator system, which allocates the FL-DCC graphics packets to idle speech packets with the aid of the Packet Reservation Multiple Access (PRMA) multiplexer. In a bandwidth of 200 kHz, which is characteristic of he Pan-European GSM system, nine speech, video and graphics multimedia users can be accommodated using bandwidth efficient 16-level Quadrature Amplitude Modulation (16QAM) over Benign microcellular channels. In the diversity-aided and automatic repeat request (ARQ) assisted 16QAM mode of operation the multimedia user bandwidth becomes 22.2 kHz and the minimum required channel signal to noise ratio (SNR) over AWGN and Rayleigh channels is about 11 and 15 dB, respectively. Indexing terms: Graphical communications, Image processing, Chain coding, Multimedia communications, Intelligent multimode terminals.

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Published date: November 1995
Additional Information: Event Dates: 6-10 November 1995 Address: Tokyo, Japan
Venue - Dates: of ICUPC'95, Japan, 1995-11-06 - 1995-11-10
Organisations: Southampton Wireless Group


Local EPrints ID: 258122
PURE UUID: 1fdd29d3-fa68-466f-9044-62559be60433

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Date deposited: 30 Jul 2003
Last modified: 18 Jul 2017 09:34

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Author: H. Yuen
Author: L. Hanzo

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