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Distributing method and distributing device for temporary block flow

An allocation method and a technology of an allocation device are applied in the directions of electrical components and wireless communication, and can solve the problems of waste of resources and low bearing efficiency of PDCH channels.

Active Publication Date: 2012-07-04
CHINA MOBILE GRP GUANGDONG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after testing and research on the live network, it is found that about 70% of TBFs are not transmitting data at the same time. waste of resources

Method used

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  • Distributing method and distributing device for temporary block flow
  • Distributing method and distributing device for temporary block flow
  • Distributing method and distributing device for temporary block flow

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0095] As mentioned above, in the prior art solution, when multiplexing the PDCH channel, simply count the number of TBFs allocated on the PDCH channel, and judge whether the PDCH channel has reached the maximum multiplexing degree of the PDCH channel according to the statistical results , it does not distinguish whether these TBFs are transmitting data or not. According to statistics, there are a large number of idle TBFs (not transmitting data) in the existing network, and the idle TBFs will not participate in the scheduling algorithm, which will result in a small number of TBFs that can be scheduled in each PDCH channel. On the one hand, it is difficult to reuse the original PDCH channel for new TBF applications. On the other hand, the throughput of the original PDCH channel is not maximized due to the existence of idle TBFs, which results in a huge waste of resources.

[0096] In view of this, when the embodiment 1 of the present invention counts the multiplexing degree of...

Embodiment 2

[0116] Different from Embodiment 1, in this embodiment, all TBFs on the PDCH channel are first counted, and compared with the maximum multiplexing degree of the PDCH channel, when the statistical result corresponding to any PDCH channel in the PDCH channel group is less than When the maximum multiplexing degree of the PDCH channel is used, the PDCH channel group is allocated to the TBF of the mobile station; when the statistical results corresponding to each PDCH channel in the PDCH channel group are greater than or equal to the maximum multiplexing degree of the PDCH channel, then the implementation Statistics and judgments in Example 1.

[0117] refer to Figure 5 , the allocation method of the temporary block flow of embodiment 2 of the present invention, comprises the following steps:

[0118] Step 201: Select a PDCH channel group from the allocated PDCH channels according to the TBF establishment application of the mobile station;

[0119] After receiving the TBF establ...

Embodiment 3

[0142] In general, TBF distribution strategies include horizontal strategies and vertical strategies. If the TBF first applies for occupying a new PDCH channel, it is called a horizontal allocation strategy; if the TBF reuses the original PDCH channel first (that is, the allocated PDCH channel), it is called a vertical allocation strategy. In the schemes of Embodiment 1 and Embodiment 2 above, the TBF preferentially reuses the original PDCH channel, which can be attributed to the vertical strategy.

[0143] The inventors of the present application found that the simple application of the above single strategy may lead to two extremes:

[0144] (1) Simply applying a horizontal allocation strategy can improve the perception of users who have already connected, but it is easy to waste resources and make it difficult for new users to access;

[0145] (2) Simply applying the vertical allocation strategy can improve the utilization rate of PDCH channel resources, but it may affect ...

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Abstract

The invention provides a distributing method and a distributing device for temporary block flow. The allocation method includes the steps: A, setting up application according to the TBF (temporary block flow) of a mobile station, and selecting a PDCH (packet data channel) bank from a distributed PDCH; B, as for each PDCH in the PDCH bank, making statistics on the size of the TBF with data transmission on the PDCH so as to obtain a first size; and C, when the first size corresponding to one optional PDCH in the PDCH bank is smaller than the maximum multiplexing degree of the PDCH, distributing the PDCH bank to the TBF of the mobile station. By means of TBF distribution according to the scheme, the bearing efficiency of the PDCHs can be improved on the premise that user perception is fundamentally unaffected.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and device for allocating temporary block streams. Background technique [0002] In a General Packet Radio Service (GPRS) network, Temporary Block Flow (TBF) is a physical connection used by two peer radio resource management entities, and is a data transmission pipeline to support the protocol of the logical link control layer Unidirectional transmission of data units (LLC PDUs) over packet data radio links. A TBF consists of one or more Radio Link Control / Medium Access Control (RLC / MAC) blocks of LLC PDUs. Before the mobile station (MS) and the network side transmit data, they need to apply to establish a TBF connection. The system will allocate the TBF belonging to the mobile station according to the multi-slot level of the mobile station and the packet data channel (PDCH) resources of the cell. to the appropriate PDCH channel. [0003] A tem...

Claims

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Application Information

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IPC IPC(8): H04W72/04
Inventor 吴宝庭林纲吴宝栋胡志东刘晓鸣
Owner CHINA MOBILE GRP GUANGDONG CO LTD
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