NDLI: Performance of GPRS coding scheme detection under severe multipath and co-channel interference as a function of soft-bit width

Content Provider	IEEE Xplore Digital Library
Author	Sherratt, R.S.
Copyright Year	2003
Description	Author affiliation: Sch. of Syst. Eng., Reading Univ., UK (Sherratt, R.S.)
Abstract	The general packet radio service (GPRS) has been developed for the mobile radio environment to allow the migration from the traditional circuit switched connection to a more efficient packet based communication link particularly for data transfer. GPRS requires the addition of not only the GPRS software protocol stack, but also more baseband functionality for the mobile as new coding schemes have been defined, uplink status flag detection, multislot operation and dynamic coding scheme detect. This paper concentrates on evaluating the performance of the GPRS coding scheme detection methods in the presence of a multipath fading channel with a single co-channel interferer as a function of various soft-bit data widths. It has been found that compressing the soft-bit data widths from the output of the equalizer to save memory can influence the likelihood decision of the coding scheme detect function and hence contribute to the overall performance loss of the system. Coding scheme detection errors can therefore force the channel decoder to either select the incorrect decoding scheme or have no clear decision which coding scheme to use resulting in the decoded ratio block failing the block check sequence and contribute to the block error rate. For correct performance simulation, the performance of the full coding scheme detection must be taken into account.
Starting Page	801
Ending Page	805
File Size	337493
Page Count	5
File Format	PDF
ISBN	0780377001
ISSN	15253511
DOI	10.1109/WCNC.2003.1200473
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-03-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ground penetrating radar Interchannel interference Decoding Packet radio networks Land mobile radio Switching circuits Packet switching Communication switching Mobile communication Protocols
Content Type	Text
Resource Type	Article

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