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Method for switching transmission mode from point-to-multi-point to point-to-point
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Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A transmission method and multi-point technology, applied in the field of communication, can solve problems such as no technical realization, no handover involved, etc.
Inactive Publication Date: 2011-08-24
ZTE CORP
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[0011] At present, although it has been stipulated under which circumstances to use PTM or PTP, that is, when to switch between PTM / PTP, there is no such issue as to how to switch between PTM / PTP. Involved, nor technically realized
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Embodiment 1
[0030] According to this embodiment, a method for switching the transmission mode from PTM to PTP is provided, wherein a user equipment (UE) first releases a PTM RB and then establishes a PTP RB.
[0031] Such as figure 2 As shown, the method includes the following processing:
[0032] Step S202, in the nth modification cycle, the radio network controller (RNC) judges that it is necessary to switch from PTM to PTP transmission mode (wherein, n is a natural number);
[0033] Step S204, in the n+1 modification period, the RNC sets the behavior of the UE corresponding to the service to release the PTM RB, and then the UE releases the PTM RB;
[0034] Step S206, in the n+2 modification period, the RNC sets the behavior of the UE to request a PTP RB, and then the UE requests to establish a PTP RB. After successfully establishing the PTP RB, the UE receives the MBMS sent in the PTP mode.
[0035] Wherein, in the n+1th modification cycle (step S204) and the n+2th modification cycle...
Embodiment 2
[0046] According to this embodiment, a method for switching the transmission mode from PTM to PTP is provided, wherein the UE first establishes the PTP RB and then releases the PTM RB.
[0047] Such as Figure 4 As shown, the method includes the following processing:
[0048] Step S402, in the nth modification period, the RNC judges that it is necessary to switch from PTM to PTP transmission mode, wherein n is a natural number;
[0049] Step S404, in the n+1th modification period, the RNC sets the behavior of the UE as requesting a PTP RB, and then the UE requests to establish a PTP RB; after successfully establishing the PTP RB, the UE receives the MBMS sent in PTP mode;
[0050] In step S406, if the PTP RB is successfully established, the RNC sets the behavior of the UE to release the PTM RB in the n+2th modification period, and then the UE releases the PTMRB.
[0051] Wherein, in the n+1th modification cycle (step S404) and the n+2th modification cycle (step S406), the RN...
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Abstract
The invention provides a switching mechanism from PTM to PTP; in the switching process, a PTM RB could be released first and then a PTM RB is established or a PTP RB is established first and then a PTM RB is released. The following processing is included under the situation that the PTM RB is released first and then the PTP RB is established; a RNC judges whether the transmission mode switch fromPTP to PTM is necessary in an nth modification cycle; the RNC sets the action of the UE corresponding to the service to be releasing PTM RB in an n+1th cycle and then the UE releases the PTM RB; step206, the RNC sets the action of the UE to be requiring the PTP RB and then the UE requests to establish the PTP RB in an n+2th cycle. With the invention, the MBMS services could be switched from the transmission mode of PTP to PTM and the process of UE releasing the PTP RB is effectively controlled to establish the PTP RB and receive the MBMS transmitted in the mode of PTP.
Description
technical field [0001] The present invention relates to the field of communications, in particular, to the multimedia broadcast / multicast service (Multimedia Broadcast / Multicast Service, MBMS) point-to-multipoint (point To multipoint, PTM) to point-to-point (point to point, PTP) transmission mode switching method. Background technique [0002] Multimedia Broadcast / Multicast Service (MBMS) is a technology that shares network resources to transmit data from one data source to multiple targets. In traditional mobile networks, CellBroadcast Service (CBS) allows low-bit-rate data to be sent to all users through the cell’s shared broadcast channel. It is a message service. In R99, there is only Short Message Service (SMS) The cellbroadcast service uses CBS. [0003] In order to effectively utilize mobile network resources, 3GPP proposed MBMS in R6. MBMS is a point-to-multipoint service that provides a data source to send data to multiple users in a mobile network. It realizes ...
Claims
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