DocumentCode
1608065
Title
Higher State Trellis Coded Modulation for Asymmetric Digital Subscriber Transceivers
Author
Arif, Muhammad ; Sheikh, Noor M.
Author_Institution
Univ. of Eng. & Technol., Lahore
fYear
2006
Firstpage
438
Lastpage
441
Abstract
A 128 state 4D TCM code for ADSL assuming AWGN is analyzed. The performance is compared with 16 state (3, 2, 5) linear 4D code developed by L. F. Wei [1]. Simulation shows an improvement of 20% in spectral efficiency. We have also analyzed 8-DMT symbol based decoding for Wei´s code 16 state (3, 2, 5) in up stream direction and achieved .9 db gain.
Keywords
AWGN channels; decoding; digital subscriber lines; transceivers; trellis coded modulation; 8-DMT symbol; ADSL; AWGN; Wei´s code; asymmetric digital subscriber transceiver; trellis coded modulation; AWGN; Additive white noise; Bandwidth; Bit error rate; Digital modulation; Modulation coding; OFDM modulation; Quadrature amplitude modulation; Signal to noise ratio; Transceivers; Asymmetric Digital Subscriber Line (ADSL); Spectral Efficiency; Trellis Coded Modulation (TCM);
fLanguage
English
Publisher
ieee
Conference_Titel
Microwaves, Radar & Wireless Communications, 2006. MIKON 2006. International Conference on
Conference_Location
Krakow
Print_ISBN
978-83-906662-7-3
Type
conf
DOI
10.1109/MIKON.2006.4345211
Filename
4345211
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