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Method for transmitting multicast channel configuration information

A technology of multicast channel and configuration information, applied in the field of wireless communication, can solve the problem of unspecified transmission channel MCH, etc., and achieve the effect of reducing complexity and avoiding interference

Inactive Publication Date: 2015-05-13
ZTE CORP
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Problems solved by technology

[0026] The current problem is that the configuration information of the multicast resources of the cell is configured in the system broadcast message, that is, which radio frames and radio subframes in the cell can be used for the transmission of multicast service data and control signaling, but there is no Explain how the transport channel MCH, that is, how an MSAP is carried on these multicast resources, that is to say, for multi-cell MBMS services, there is no way to explain how the transport channel is carried on the physical channel

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  • Method for transmitting multicast channel configuration information
  • Method for transmitting multicast channel configuration information
  • Method for transmitting multicast channel configuration information

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Embodiment Construction

[0046] The present invention provides a method for transmitting MCH configuration information. When the network side configures the multicast resource carrying the MCH in a cell, it first selects one or more sets of MRAP parameters from the MBSFN resource allocation mode MRAP parameters configured in the cell, and selects from An MBSFN frame and an MBSFN subframe used to carry a certain MCH are selected from the selected MRAP parameters, and then the configuration information of the multicast resource carrying the MCH is delivered to the cell.

[0047] In actual networking, there are several MBSFN services in one MBSFN area, and all the MBSFN services belonging to the same MBSFN area are called an MBSFN service group, that is to say, one MBSFN service group only belongs to one MBSFN area. An MBSFN area includes multiple cells, and each cell is configured with exactly the same MBSFN service group. Such as image 3 As shown, there are three MBSFN areas, MBSFN area A, MBSFN area...

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Abstract

The invention provides a method for transmitting multicast channel configuration information, which includes the following steps that: when a multicast resource for carrying a multicast channel (MCH) in a subarea is configured at the network side, one or multiple sets of MRAP parameters are selected from multicast single-frequency network (MBSFN) resource allocation pattern (MRAP) parameters configured by the subarea, an MBSFN frame and an MBSFN subframe which are used for carrying the MCH are selected from the selected MRAP parameters, and the selected MRAP parameters carrying the MCH and the configuration information of the MBSFN frame and the MBSFN subframe are then sent to the subarea. The scheme can be implemented with less signaling or parameters, and the complexity of MSAP signaling or parameter configuration at the network side is reduced.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method for transmitting multicast channel (MCH, Multicast Channel) configuration information in a long-term evolution (LTE, Long Term Evolution) system. Background technique [0002] In 2005, 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) launched a working group for LTE (Long Term evolution long-term evolution) research, researching and designing 3.9G (improved 3G) for the evolution of third-generation mobile communication technology next generation network. [0003] In order to make effective use of mobile network resources, 3GPP proposed multimedia broadcast and multicast services (MBMS, Multimedia Broadcast Multicast Service, multimedia broadcast and multicast services), which provide a point-to-point point-to-point system for sending data to multiple users in a mobile network. Multi-point service realizes network resource sharing and im...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W4/12H04W48/12H04W72/04
Inventor 马子江胡剑王斌苟伟
Owner ZTE CORP
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