CELLULAR-EFFICIENCY WITH SLOW FREQUENCY HOPPING - ANALYSIS OF THE DIGITAL SFH900 MOBILE SYSTEM

被引：27

作者：

DORNSTETTER, JL

VERHULST, D

机构：

[1] Lab Central de Telecommunications, Velizy-Villacoublay, Fr, Lab Central de Telecommunications, Velizy-Villacoublay, Fr

来源：

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | 1987年 / 5卷 / 05期

关键词：

CODES; SYMBOLIC - Encoding - INFORMATION THEORY;

D O I：

10.1109/JSAC.1987.1146602

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The SFH900 digital cellular mobile system, based on mixed slow frequency hopping (SFH) combined with time-division multiaccess, is described in detail. The system includes Viterbi quasi-coherent demodulation of Gaussian-filtered multiple-shift keying for which performance measurements in multipath conditions are presented. A concatenated coding scheme that takes full benefit of built-in frequency diversity and interference diversity is introduced. A model for SFH cellular performance evaluation is presented and the quality-versus-capacity tradeoff for SFH900 is given for various frequency reuse patterns. With advanced 16-kb/s speech coding techniques, and including a 25% overhead for management and signaling, the spectrum efficiency of a many-celled SFH900 network is around 3. 5 users/cell/MHz. SFH provides intrinsic adaptability to varying traffic conditions and enhanced flexibility for multiservice operation.

引用

页码：835 / 848

页数：14

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