Mode switch between SFN and PTP for multicast services in LTE networks
WANG Min, FENG Chun-yan, ZHANG Tian-kui
Beijing Key Laboratory of Network System Architecture and Convergence,Beijing University of Posts and Telecommunications,Beijing 100876, China
Abstract:
The multimedia broadcast and multicast services (MBMS) in 3GPP LTE is characterized by multicast broadcast single frequency network (MBSFN) operation. The multicast services are transmitted by single frequency network (SFN) mode, and the unicast services are delivered with point-to-point (PTP) mode. To minimize the demanded radio resources for multicast services in the LTE, a novel mode switch (MS) between SFN and PTP for multicast services is proposed. MS takes into account PTP mode for multicast services and the switch is based on the handover threshold. To solve the minimization problem, MS adapts the handover threshold with the difference in the demanded radio resources between SFN mode and PTP mode for multicast services. The simulation results show that the proposed MS achieves less demanded radio resources than SFN mode for all the multicast services.
Key words: multimedia broadcast and multicast services single frequency network point-to-point handover threshold
DOI：10.11916/j.issn.1005-9113.2012.05.014
Clc Number:TN929.53
Fund:
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Mode switch between SFN and PTP for multicast services in LTE networks
本站小编 哈尔滨工业大学/2019-10-23
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