Title :
LSB-coded modulation and its applications to microwave digital radios
Author :
Yang, Sung-Moon ; Cheng, Wei-Kang ; Shen, Jun
Author_Institution :
Farinon Div., Harris Corp., Redwood Shores, CA, USA
Abstract :
We present a forward error correction (FEC) scheme, called LSB-coded modulation. The scheme combines coding and modulation based on the observation that the symbol errors mostly occur due to the mix-up of adjacent ones. It is simple to implement, efficient and flexible with different data and coding rates. It is particularly suited for high speed, bandwidth-efficient digital communication systems. We have developed practical implementation techniques, such as FEC frame synchronization and receiver carrier phase ambiguity resolution. This scheme has been successfully applied to Harris 155.52 Mbps, 128QAM 30 MHz bandwidth, SONET/SDH microwave digital radios
Keywords :
SONET; channel capacity; coding errors; digital radio; forward error correction; microwave links; microwave receivers; modulation coding; quadrature amplitude modulation; radio receivers; synchronisation; synchronous digital hierarchy; 128QAM; 155.52 Mbit/s; 30 MHz; FEC frame synchronization; Harris digital radios; LSB-coded modulation; SONET/SDH microwave digital radios; coding rates; data rate; digital communication systems; forward error correction; high speed bandwidth efficient systems; modulation coding; receiver carrier phase ambiguity resolution; symbol errors; AWGN; Additive white noise; Bandwidth; Decoding; Digital communication; Digital modulation; Error correction; Forward error correction; Hardware; Modulation coding;
Conference_Titel :
Global Telecommunications Conference, 1996. GLOBECOM '96. 'Communications: The Key to Global Prosperity
Conference_Location :
London
Print_ISBN :
0-7803-3336-5
DOI :
10.1109/GLOCOM.1996.587639
