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Method for transmitting broadcasting multicasting service and system thereof

A technology of broadcast multicast service and transmission method, which is applied in the direction of broadcast broadcast, broadcast service distribution, broadcast device, etc., can solve the problem of low power of broadcast multicast service, and achieve the effect of improving receiving performance and receiving power

Active Publication Date: 2012-04-04
HUAWEI TECH CO LTD
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Problems solved by technology

[0014] The present invention proposes a broadcast and multicast service transmission method and its system to solve the problem in the prior art that users in the transition zone between unicast cells and broadcast multicast cells receive broadcast and multicast services with low power

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  • Method for transmitting broadcasting multicasting service and system thereof
  • Method for transmitting broadcasting multicasting service and system thereof
  • Method for transmitting broadcasting multicasting service and system thereof

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Embodiment Construction

[0083] The technical solution of the present invention is aimed at the receiving power of MBMS services received by users in the transition zone between the broadcast multicast cell and the adjacent unicast cell when different cellular cells are based on frequency multiplexing. At the same time, considering that when the amount of unicast traffic in a unicast cell is relatively small, there may be a probability that the frequency resources occupied by the broadcast and multicast cell for transmitting MBMS services will not be used. The frequency resource occupied by the MBMS service transmitted by the broadcast cell, which may not be used by the unicast service, is used to transmit MBMS service data synchronously with the broadcast multicast cell, thereby avoiding the waste of frequency resources and improving the performance of the broadcast multicast cell and related services. In the transition zone between adjacent unicast cells, the receiving power of the users receiving th...

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Abstract

The invention discloses a transmission method for broadcast multicast service that includes it determines the occupied frequency source of broadcast multicast section transmitting the service data of broadcast multicast service based on several sections transmission mode in the honeycomb section with frequency reusing; chooses the corresponding frequency source which has the same frequency of determined frequency source in the broadcast section adjacent with multicast sections; said single-cast section based on the chosen frequency source and the broadcast multi-cast section based on the determined frequency source transmit the broadcast multicast service synchronously. The invention also discloses transmission system of broadcast multicast service. The invention can improves the receiving property in the transition zone between the single-cast sections and the broadcast multi-cast sections.

Description

technical field [0001] The invention relates to the frequency multiplexing technology and the broadcast multicast technology in the mobile communication network, in particular to a broadcast multicast service transmission method and its system. Background technique [0002] In order to effectively utilize limited spectrum resources, the current mobile communication technology proposes to reuse frequency resources in different geographical locations of the cellular network. Such as figure 1 As shown, it is a schematic diagram of the reuse state of frequency reuse between different cells in the mobile communication network based on the reuse factor 1. For a cellular mobile communication network with a reuse factor of 1, the same frequency is used between each cell. resources, and the users at the edge of the cell will be interfered by users in other adjacent cells, so the signal-to-interference ratio obtained by the users at the edge of the cell will be poorer. [0003] In o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/10H04H20/00H04W4/06
CPCH04W72/005H04W72/30
Inventor 王俊伟周晓
Owner HUAWEI TECH CO LTD
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