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Energy‐efficient wireless networking for multimedia applications
Author(s) -
Havinga Paul J. M.,
Smit Gerard J. M.
Publication year - 2001
Publication title -
wireless communications and mobile computing
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.42
H-Index - 64
eISSN - 1530-8677
pISSN - 1530-8669
DOI - 10.1002/wcm.9
Subject(s) - computer science , key (lock) , adaptability , wireless , multimedia , quality of service , efficient energy use , computer network , service (business) , wireless network , energy (signal processing) , telecommunications , distributed computing , computer security , electrical engineering , ecology , economy , economics , biology , engineering , statistics , mathematics
In this paper we identify the most prominent problems of wireless multimedia networking and present several state‐of‐the‐art solutions with a focus on energy efficiency. Three key problems in networked wireless multimedia systems are: (1) the need to maintain a minimum quality of service over time‐varying channels; (2) to operate with limited energy resources; and (3) to operate in a heterogeneous environment. We identify two main principles to solve these problems. The first principle is that energy efficiency should involve all layers of the system. Second, Quality of Service is an essential mechanism for mobile multimedia systems not only to give users an adequate level of service, but also as a tool to achieve an energy‐efficient system. Owing to the dynamic wireless environment, adaptability of the system will be a key issue in achieving this. Copyright © 2001 John Wiley & Sons, Ltd.

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