Adaptive Power Saving Receiver for DVB-H Exploiting Adaptive Modulation and Coding

Tallal Osama ELSHABRAWY, Sherif Hassan Abdel WAHED

.

DOI: 10.4236/ijcns.2010.32022                

Abstract

Broadcasting live digital TV to a small battery-powered handheld device is very challenging. One of the most promising technologies to provide such services is DVB-H (Digital Video Broadcasting over Handheld). Power consumption has always been one of the most crucial challenges for handheld devices. In this paper, a novel Adaptive Modulation and Coding (AMC) framework is proposed for DVB-H systems to address the challenging problem of power consumption. The proposed power saving AMC framework operates by rearranging the transmitted frames in a pre-defined pattern. The adaptive receiver selects the appropriate modulation technique and/or code rate, one that achieves a target Bit Error Rate (BER), and then could be switched off and/or powered down resulting in significant potential for saving of reception and processing powers. Simulation of the DVB-H system under the proposed framework proved that the proposed power saving AMC framework is capable of achieving power saving up to 71.875% in COST207 Typical Urban 6-paths (TU6) channel. Furthermore, numerical analysis for the power saving potential and BER performance of the proposed framework is performed for both flat Rayleigh channel and multipath TU6 channel.

Keywords

Broadcast, DVB-H, Power Consumption, Power Saving, Adaptive Modulation and Coding, AMC, RCPC Codes

Conflicts of Interest

The authors declare no conflicts of interest.

References

[1]	U. Reimers, “DVB—The family of international standar- ds for digital video broadcasting,” in Proceedings of IEEE, Vol. 94, No. 1, January 2006.
[2]	ETSI EN 302 304: “Digital Video Broadcasting (DVB); transmission system for handheld terminals (DVB-H),” European Telecommunication Standard, November 2004.
[3]	ETSI EN 300 744: “Digital Video Broadcasting (DVB); framing structure, channel coding and modulation for digital terrestrial television (DVB-T)”, European Tele- communication Standard, January 2004.
[4]	C. Rauch, W. Kellerer, and P. Sties, “Hybrid mobile inte- ractive services combining DVB-T and GPRS,” in Proceedings of European Personal Mobile Commu- nication Conference, Vienna, Austria, February 2001.
[5]	E. Stare and S. Lindgren, “Hybrid broadcast-telecom systems for spectrum efficient mobile broadband internet access,” in Nordic Radio Symposium, Sweden, 2001.
[6]	G. Gardikis, G. Kormentzas, G. Xilouris, H. Koumaras, and A. Kourtis, “Broadband data access over hybrid DVB-T networks,” in Proceedings of 3rd Conference on Heterogeneous Network, Ilkley, UK, July 2005.
[7]	A. Kumar, “Mobile TV: DVB-H, DMB, 3G systems and rich media applications,” Focal Press, 2007.
[8]	J. Gozalvez, “The european union backs the DVB-H standard [mobile radio],” IEEE Vehicular Technology Magazine, Vol. 3, pp. 3–12, June 2008.
[9]	ETSI TR 102 401: “Digital Video Broadcasting (DVB); transmission system for handheld terminals (DVB-H),” Validation Task Force Report, May 2005.
[10]	G. Gardikis, H. Kokkinis, and G. Kormentzas, “Evaluati- on of the DVB-H data link layer,” in Proceedings of European Wireless, Paris, France, April 2007.
[11]	Q. Zhang, F. H. P. Fitzek, and M. Katz, “Cooperative power saving strategies for IP-services supported over DVB-H networks,” in Proceedings of IEEE Wireless Communication and Network Conference, March 2007.
[12]	E. Belyaev, T. Koski, J. Paavola, A. Turlikov, and A. Ukhanva, “Adaptive power saving on the receiver side in digital video broadcasting systems based on progressive video codec,” The 11th International Symposium on Wireless Personal Multimedia Communication, 2008.
[13]	J. F. Hayes, “Adaptive feedback communications,” IEEE Transactions on Communication Technology, Vol. COM- 16, pp. 29–34, February 1978.
[14]	A. Goldsmith and S. G. Chua, “Adaptive coded modula- tion for fading channels,” IEEE Transactions on Communication, Vol. 46, pp. 595–602, May 1998.
[15]	E. D. Balaguer, F. H. P. Fitzek, and O. Olsen, “Perfor- mance evaluation of power saving strategies for DVB-H services using adaptive MPE-FEC decoding,” The 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communication, Berlin, Ger- many, September 2005.
[16]	J. Odenwalder, “Optimal decoding of convolutional codes, ” Ph.D. dissertation, Department of Systems Sciences, School of Engineering and Applied Sciences, University of California, Los Angeles, 1970.
[17]	Y. Yasuda, K. Kashiki, and Y. Hirata, “High-rate punct- ured convolutional codes for soft decision viterbi de- coding,” IEEE Transactions on Communication, Vol. COM-32, pp. 315–319, March 1984.
[18]	J. Hagenauer, “Rate-compatible punctured convolutional Codes (RCPC Codes) and their applications,” IEEE Transactions on Communication, Vol. 36, pp. 389–400, April 1988.
[19]	T. S. Rappaport. Wireless communications: Principles & practice,” Prentice Hall, New Jersey, 1996.
[20]	F. L. Luo, and H. Ye, Essential DC/DC Converters. CRC Press, 2006.
[21]	COST207, “Digital land mobile communications,” Com- mission of the European Communities, Directorate General Communications, Information Industries and Innovation, 1989, pp. 135–147.
[22]	A. Gilat, “MATLAB: An introduction with applications,” 3rd Edition, John Wiley and Sons, 2008.