Energy-Efficient Layered Video Multicast over OFDM-Based Cognitive Radio Systems
An energy-efficient layered video multicast (LVM) scheme for “ bandwidth-hungry ” video services is studied in OFDM-based cognitive radio (CR) systems, where the video data is encoded into a base layer and several enhancement layers with the former intended for all subscribers to guarantee the basic...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Hindawi - SAGE Publishing
2015-10-01
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| Series: | International Journal of Distributed Sensor Networks |
| Online Access: | https://doi.org/10.1155/2015/138328 |