Selection and switching method for sending method

Abstract

The invention discloses a method used for selecting and switching the transmitting mode of the multimedia broadcast-multicast services, which comprises the following steps: S202, a wireless network controller configures the number of the user equipments, makes statistics of the count cycle of an interval timer, UE access probability factor of the user equipment, the M threshold of the number of the user equipments and the P threshold of the number of the user equipments beforehand; S204, the number of the user equipments is measured according to the count response of the user equipment and the context statistics of the user equipment and the transmitting mode of the multimedia broadcast-multicast services is selected according to the measured number, M threshold and P threshold of the user equipment; S206, the number of the user equipments is measured real-time according to the count response of the user equipments and the context statistics of the user equipments and whether to switch the transmitting mode of the multimedia broadcast-multicast services is determined according to the real-timely measured user of the user equipments, the M threshold and P threshold of the number ofthe user equipments.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for selecting and switching a transmission mode. Background technique [0002] Multimedia Broadcast Multicast Service (MBMS) can be divided into broadcast and multicast modes, and can also be divided into point-to-point (Point to Point, referred to as P-T-P) transmission and point-to-multipoint (Point to Multipoint, referred to as P-T-M) transmission . The P-T-P transmission mode of MBMS in the Universal Terrestrial Radio Access Network (hereinafter referred to as UTRAN) adopts the same protocol structure and process as the traditional point-to-point packet switching (Packet Switched, referred to as PS) business: Dedicated Control Channel (DCCH for short), Dedicated Traffic Channel for business (DTCH for short), mapped to Dedicated Channel (DCH for short) or High Speed ​​Downlink Shared Channel (HS for short) -DSCH), applicable to a user equipment (User Equipment, UE for shor...

AI Technical Summary

Problems solved by technology

[0003] In the multicast mode, the use of P-T-P and P-T-M transmission has its own advantages and disadvantages: the use of P-T-P transmission is simple, but in the case of a large number of UEs, it will waste wireless resources; the use of P-T-M transmission, when the number of users reaches a certain number, It can fully save code resources and power resources, but requires the system to increase the overhead of related logical channels

During the process of MBMS service, some users may be terminated, and some new users may join in the middle, which will cause the number of active users to change, which may lead to frequent switching of MBMS transmission methods, which may seriously affect the quality of service (Quality of Service) , hereinafter referred to as QoS), so a transmission method selection and switching strategy is needed to solve the above problems

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