Electronic Payment Systems for E-commerce de Donal O'Mahony

Electronic Payment Systems for E-commerce: Artech House Computer Security Series

Donal O'Mahony

Hitesh Tewari

Michael Peirce

Generally society has been moving towards electronic payment systems since the 1970s, but it is only the arrival of the Internet and its vertiginous growth, that has made possible the recent advances in this area.

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Cuprins

Spread Spectrum Modulation Techniques (new) -- Learning Objectives. CDMA Frequency Hopping. Direct Sequence. Application of CDMA, cell phones. Link Analysis (new) -- Learning Objectives. Link Overview. Calculation of Carrier Power. Airborne Antenna Pattern, Gain and Coverage Specs. Ground Station Antenna Pattern, Gain and Tracking Specs. Multipath Effects. Diversity. System Figure of Merit (new) -- Learning Objectives. Receiver Noise Figure. Antenna Temperature. System Noise Figure. Carrier-to-Noise Ratio. Synchronization -- Introduction, Learning Objectives. Functions of the Bit Synchronizer. Hardware Block Implementation. Demultiplexer. Hybrid Systems, PCM/FM + FM/FM,PCM/FM/FM -- Introduction. Learning Objectives PCM/FM + FM/FM System Design. PCM/FM + FM/FM Design Example. PCM FM/FM. Convolutional Coding for Forward Error Correction -- Introduction. Learning Objectives. Hamming Distance. Convolutional Encoding. Free Distance of a Convolutional Code. The Code Vector. Decoding. Viterbi Decoding. Hard and Soft Decisions. Coding Gains and Bit Error Rates. Hardware Implementation. Comparison of Coded and Uncoded Systems. Coded PCM/FM. Hardware Decoder Implementation for PCM/FM.

Descriere

This newly revised edition of the highly successful 1997 book offers professionals and students an up-to-date, in-depth understanding of how payments are made electronically across the Internet. The second edition explores the very latest developments in this quickly expanding area, including the newest security techniques and methods, and features a completely new chapter on the exciting advances in mobile commerce. Pub 8/01.