Data MODEM for GSM full rate voice channel

doi:10.3778/j.issn.1002-8331.2009.30.006

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (30): 15-18.DOI: 10.3778/j.issn.1002-8331.2009.30.006

• 博士论坛 • Previous Articles Next Articles

Data MODEM for GSM full rate voice channel

YANG Yu-cun^1，2，FENG Sui-li¹，CUI Miao¹，YE Wu¹

1.School of Electronic and Information Engineering，South China University of Technology，Guangzhou 510641，China
2.National Digital Switching System Engineering & Technological R&D Center，Zhengzhou 450002，China

Received:2009-07-21 Revised:2009-08-31 Online:2009-10-21 Published:2009-10-21
Contact: YANG Yu-cun

GSM全速率话音信道调制解调器设计

杨于村^1，2，冯穗力¹，崔苗¹，叶梧¹

1.华南理工大学电子与信息学院，广州 510641
2.国家数字交换系统工程技术研究中心，郑州 450002

通讯作者: 杨于村

Abstract

Abstract: In order to realize the data transmission over GSM voice channel，this paper designs a MODEM only for GSM full rate voice channel.It is based on the method of modeling mobile voice channel and system identification is made so that the waveform samples are designed in frequency domain with less signal distortion.Then the waveform codebook is gotten by a genetic algorithm which has the maximum Euclidean distance.Thus，the modulation and demodulation are equivalent to the mapping from index to waveforms and from waveforms to index.The stimulation shows that throughputs of 2 400 b/s and 3 000 b/s have been achieved with the introducing 0.3% Waveform Error Rate（WER），0.15% Bit Error Rate（BER） and 2.8% WER，1.4% BER respectively，which are much better than the other researches.

Key words: Global System for Mobile Communication（GSM）, full rate vocoder, channel modeling, system identification, genetic algorithm, MODEM

摘要： 为了解决数据业务无法直接在移动通信系统话音业务信道传输的问题，设计GSM全速率话音业务信道专用调制解调器。提出了对移动话音业务信道建模的思想，通过系统辨识获得模型的频率响应特性，在波形畸变较小的频带范围设计波形频谱，采用遗传算法在时域样本空间全局寻优获得欧几里德距离最大的波形码本，通过码本索引值和波形矢量的映射和解映射来实现数据的调制和解调。仿真结果表明，设计的调制解调器在2 400 b/s时误波形率可达0.3%，误码率0.15%，在3 000 b/s时误波形率为2.8%，误码率1.4%，性能优于同类研究。

关键词: 全球移动通讯系统（GSM）, 全速率声码器, 信道建模, 系统辨识, 遗传算法, 调制解调器

CLC Number:

TN929.5

YANG Yu-cun^1，2，FENG Sui-li¹，CUI Miao¹，YE Wu¹. Data MODEM for GSM full rate voice channel[J]. Computer Engineering and Applications, 2009, 45(30): 15-18.

杨于村^1，2，冯穗力¹，崔苗¹，叶梧¹. GSM全速率话音信道调制解调器设计[J]. 计算机工程与应用, 2009, 45(30): 15-18.

[1]	LI Yuqi, LIU Zhiqian, CHENG Ningyi, WANG Yingying, ZHU Chunli. Path Planning of UAV Under Multi-constraint Conditions [J]. Computer Engineering and Applications, 2021, 57(4): 225-230.
[2]	YANG Wei, WU Yingying, WANG Ting. Research on Configuration Optimization Problems of Shuttle-Carrier Storage and Retrieval System [J]. Computer Engineering and Applications, 2021, 57(4): 258-265.
[3]	LI Qian, JIANG Li, LIANG Changyong. Multi-objective Cold Chain Distribution Optimization Based on Fuzzy Time Window [J]. Computer Engineering and Applications, 2021, 57(23): 255-262.
[4]	DU Shouxin, WU Tao. Study on Application of Double Population Hybrid Genetic Algorithm in Cut Order Planning [J]. Computer Engineering and Applications, 2021, 57(22): 182-189.
[5]	CAO Lijia, LIU Yang. Recent Advances in Scheduling Optimization of Automated Guided Vehicles in Manufacturing Workshops [J]. Computer Engineering and Applications, 2021, 57(21): 59-67.
[6]	CHEN Qianru, LI Yali, XU Kequan, LIU Yilong, WANG Shuqin. WKNN Feature Selection Method Based on Self-Tuning Adaptive Genetic Algorithm [J]. Computer Engineering and Applications, 2021, 57(20): 164-171.
[7]	MA Yanfang, LI Baoyu, YANG Yifu, FENG Cuiying. Two-Echelon Capacitated Vehicle Routing Model and Algorithm for Fresh Products Distribution with Customer Classification [J]. Computer Engineering and Applications, 2021, 57(20): 287-298.
[8]	SHI Yuqiang, TIAN Yongzheng, ZHANG Yuqi, SHI Xiaoqiu. Solving FJSP by Multi-population Genetic Algorithms with Complex Network Structure [J]. Computer Engineering and Applications, 2021, 57(2): 257-266.
[9]	DAI Jiangtao, HAN Xiaolong. Coordinated Scheduling of Equipment in Container Terminals Considering Energy Consumption Under Different Job Status [J]. Computer Engineering and Applications, 2021, 57(19): 290-298.
[10]	FENG Xiaodong, HUANG Shirong, DAI Guan’ou, YANG Weijia, LUO Yaozhi. Research and Application of Beetle Antennae Genetic Hybrid Algorithm [J]. Computer Engineering and Applications, 2021, 57(15): 90-100.
[11]	SU Qing, LIN Huazhi, HUANG Jianfeng, LIN Zhiyi. Malicious Android Application Detection Combining CNN and Catboost Algorithm [J]. Computer Engineering and Applications, 2021, 57(15): 140-146.
[12]	JIANG Liangzhong, LEI Hang, LI Zhenhao, QIAN Weizhong, SHI Gantu. Research on Outbound Slotting Optimization Method by Using Adaptive Optimization Weights [J]. Computer Engineering and Applications, 2021, 57(15): 271-278.
[13]	HE Jiao, TAN Dailun. Three-Dimensional Terrain Path Planning Based on Sight Range and Genetic Algorithm [J]. Computer Engineering and Applications, 2021, 57(15): 279-285.
[14]	WANG Xiuli, ZHOU Peng, HOU Jingnan, WANG Shijun, LIN Xia. Research on Algorithm of Inspection Path Planning for Substation Robot [J]. Computer Engineering and Applications, 2021, 57(14): 245-250.
[15]	CHEN Yuanwen. Application of MapReduce Technology in Problem of Material Transportation and Stowage [J]. Computer Engineering and Applications, 2021, 57(12): 273-278.

Data MODEM for GSM full rate voice channel

GSM全速率话音信道调制解调器设计

PDF

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics