Method for providing MBMS service by fusion of cellular network and broadcast network, system and device
A technology of broadcast network and cellular network, which is applied in the field of integrating cellular network and broadcast network to provide MBMS services, can solve problems such as heterogeneous switching based on broadcast network, and achieve the effect of improving resource utilization and optimizing wireless resources
Inactive Publication Date: 2012-09-05
BEIJING UNIV OF POSTS & TELECOMM
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The IEEE (Institute of Electrical and Electronics Engineers, Institute of Electrical and Electronics Engineers) 802.21 specification defines a general-based MIH (Media Independent Handover, Media Independent Handover) architecture that supports general handover procedures between heterogeneous networks, but does not address broadcast-based The problem of heterogeneous handover of the network, the reason is that when switching between other heterogeneous networks and the broadcast network, it not only involves the usual location-based handover problem, but also involves the need to maintain business continuity based on business content during handover
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[0070] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Apparently, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0071] As mentioned in the background, although pure broadcast network or pure cellular network has its own limitations when providing mobile multimedia broadcast services, the two network technologies are complementary to a certain extent. Effective integration of the two networks can make the integrated network not only utilize the advantages of the respective networks more effectively, optimize the use of network resources, but also provide richer mobile multimedia services. Embodiments...
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The embodiment of the invention discloses a method for providing MBMS service by the fusion of a cellular network and a broadcast network, a system and a device. The technical scheme provided by the embodiment of the invention is applied, based on the fused network and a synchronous content distinguishing mechanism, when a terminal device is required to switch the network, network switch of the cellular network and the broadcast network can be realized in the fused network of the broadcast network and other alternative networks so as to keep providing MBMS service for the terminal device. Theinvention can give full play to advantages of the broadcast network, optimizes wireless resources of the integrated network and improves resources use ratio of a wireless network.
Description
technical field [0001] The present invention relates to the field of communication technology, in particular to a method, system and device for providing MBMS services by integrating a cellular network and a broadcast network. Background technique [0002] With the development of communication technology and the potential commercial value of mobile broadcast and TV services, a variety of technical standards supporting mobile broadcast TV services have emerged, including those based on broadcast single frequency networks and cellular networks. In terms of cellular-based mobile broadcast and multicast technology, MBMS (Multimedia Broadcast Multicast Service, multimedia broadcast and multicast service) / E-MBMS (Evolved / Enhanced MBMS, evolved type) of 3GPP (3rd Generation Partnership Project, third generation partnership project) / Enhanced MBMS) technology and 3GPP2's BCMCS (Broadcast and Multicast Services, broadcast multicast service) technology can support rich MBMS services, ...
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IPC IPC(8): H04W4/06H04W48/18H04W56/00H04L29/06H04L29/08
Inventor 靳浩彭木根王文博
Owner BEIJING UNIV OF POSTS & TELECOMM