Method, equipment and system for allocating random access resources

A resource allocation and random access technology, applied in electrical components, wireless communication, etc., can solve problems such as unknown UE frequency band capabilities, waste of wireless resources, idle non-main carrier frequency band resources, etc., to improve network connection rate and user Quality of Experience and Interference Reduction Effects

Inactive Publication Date: 2011-06-29
ZTE CORP
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0008] It can be seen that even if the UE supports multi-band capabilities, since the network side does not know the UE's frequency band capabilities during the initial access resource allocation during the RRC connection process, the UE's radio resources can only be allocated to UE random access by default. On the frequency band at the time of entry
Therefore, the frequency band where the main carrier is located actually becomes the bottleneck of whether the UE can successfully accept the RRC connection.
Especially in hotspot areas, where the traffic is high, once the wireless resource allocation of the frequency band where the main carrier is located is full, users will not be able to access; lead to waste of wireless resources

Method used

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  • Method, equipment and system for allocating random access resources
  • Method, equipment and system for allocating random access resources
  • Method, equipment and system for allocating random access resources

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Embodiment Construction

[0037] The core idea of ​​the present invention is: the RNC configures the corresponding relationship between the frequency band and the public control channel radio resource, and broadcasts the corresponding relationship to the UE; receives the access request message sent by the UE on the selected frequency band, and according to the selected determine whether to access the UE on the selected frequency band, and if so, allocate radio resources for the UE; after the RNC establishes a wireless link with Node B, it If not, notify the UE to select other frequency bands for access, which can make the network side reasonably balance the resource allocation of each frequency band and frequency points within the frequency band, reduce the probability of interference and resource congestion, and improve network access. throughput and quality of user experience.

[0038] The technical solutions of the present invention will be described in detail below in conjunction with the accompany...

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Abstract

The embodiment of the invention discloses a method, equipment and system for allocating random access resources, and belongs to the field of time division synchronous code division multiple access. The method comprises the following steps of: respectively configuring radio resources of a public control channel for a cell sharing a plurality of frequency ranges by a radio network controller (RNC) according to the frequency ranges and then informing user equipment (UE); selecting an appropriate frequency range to access after a notice of the RNC is received by the UE; and informing the UE of allocating information of the radio resources after the UE access is judged to be allowed by the RNC, and otherwise, informing of selecting the other frequency ranges to access. By adopting the technical scheme of the invention, the reasonable and balanced allocation of the resources in each frequency range of a network side can be realized, the interference and the probability of resource congestion are reduced, and the network availability ratio and the user experience quality are improved.

Description

technical field [0001] The present invention relates to the field of Time Division Synchronous Code Division Multiple Access (TD-SCDMA, Time Division Synchronous Code Division Multiple Access), in particular to a method, device and system for random access resource allocation. Background technique [0002] In February 2009, the Ministry of Industry and Information Technology required China Telecom and China Unicom to give up the existing PHS frequency band, that is, the 1880-1920M frequency band within three years. [0003] Although the frequency spectrum allocated for TDD (Time Division Duplexing) in China is 155MHz, the frequency available to China Mobile was only 2010-2015MHz before. Recently, the Wireless Management Bureau of the Ministry of Industry and Information Technology granted China Mobile the license to use the 1880-1900MHz frequency band, which also makes TD's current use frequency reach 35MHz. [0004] China Mobile introduced the 1880-1900MHz frequency band i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W74/08
Inventor 李群
Owner ZTE CORP
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