GPRS for Mobile Internet

V

Virtual circuits (VCs), 271

Visitor location register (VLR), 13

Viterbi decoding, 141 “50

defined, 141 “42

Hamming distance, 143, 145, 148

survivors, 147, 148

trace-back procedure, 147

trellis , 143, 145

Voice digital communication chain, 25 “33

burst formatting, 28 “29

channel coding, 25 “27

ciphering, 29

demodulation, 31 “32

differential encoding, 29 “30

GMSK modulation, 30 “31

interleaving, 27 “28

source coding, 25