Title :
Video Summarization and Transmission Power Adaptation for Very Low Bit Rate Multiuser Wireless Uplink Video Communication
Author :
Li, Zhu ; Cheng, Alan Q. ; Katsaggelos, Aggelos K. ; Ishtiaq, Faisal
Author_Institution :
Multimedia Res. Lab., Motorola Labs., Schaumburg, IL
fDate :
Oct. 30 2005-Nov. 2 2005
Abstract :
In this paper we consider the problem of efficiently serving multiple uplink video users in a wideband CDMA wireless communication system with mixed voice and video traffic. Very low available video bit rate (<64 kpbs) and multi-user interference are the major limiting factors in the system performance. Our solution is based on video summarization to achieve reasonable video quality at very low bit rate, and multi-user transmission adaptation/scheduling via summarization distortion-rate profile negotiation between base station and mobiles to meet power control constraints and minimize the interference among voice/video users. The simulation results demonstrate the effectiveness of the proposed approach
Keywords :
broadband networks; code division multiple access; power control; radio links; radiofrequency interference; rate distortion theory; scheduling; telecommunication control; telecommunication traffic; video communication; code division multiple access; distortion-rate profile negotiation; multiuser interference; multiuser wireless uplink; power control constraints; scheduling; transmission power adaptation; video communication; video summarization; video traffic; wideband CDMA; Base stations; Bit rate; Interference; Mobile communication; Multiaccess communication; Power control; Quantization; Video sharing; Wideband; Wireless communication; CDMA; power control; transmission adaptation; video summarization; wireless video;
Conference_Titel :
Multimedia Signal Processing, 2005 IEEE 7th Workshop on
Conference_Location :
Shanghai
Print_ISBN :
0-7803-9288-4
Electronic_ISBN :
0-7803-9289-2
DOI :
10.1109/MMSP.2005.248615
