Research on channel coding/decoding for DMR protocol
Dou Jian-hu · Jisuanji gongcheng yu sheji · 2014
In order to reduce the channel decoding complexity of DMR protocol,is proposed the(16,7,6)QR(quadratic residue)code and the(20,8,7)Golay code is introduced in detail,and a new decoding algorithm.Generally,the decoding algorithm for QR code is solving the complicated error polynomial,this process is complexity and time-consuming.However,the new algorithm avoids it by computing the weight of syndrome.It can detect and correct error bit effectively.And the(20,8,7) Golay code is a particular quadratic residue code,after analyzed by Visual C++,the new algorithm has better performance for both the(16,7,6)QR decoding and the(20,8,7)Golay decoding.