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Admission control method for user equipment and radio resource manager

A technology of user terminals and wireless resources, which is applied in the field of communication, can solve problems such as limitations and inability to allocate physical resources to new users, and achieve the effect of increasing throughput and improving application probability

Inactive Publication Date: 2012-07-04
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0005] From a system point of view, due to the limited resources of TD-SCDMA, the introduction of SDMA technology can largely alleviate the shortage of wireless code channel resources. However, at the same time, the introduction of SDMA to the management of wireless resources has brought The bigger challenge, however, is that currently in related technologies, in the admission control based on SDMA technology, it is still not possible to reasonably allocate physical resources for new users

Method used

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  • Admission control method for user equipment and radio resource manager
  • Admission control method for user equipment and radio resource manager
  • Admission control method for user equipment and radio resource manager

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Embodiment Construction

[0025] Functional Overview

[0026] In related technologies, there is a problem that admission control based on SDMA technology cannot reasonably allocate physical resources for new users. At the same time, since the application of SDMA technology is very dependent on the spatial distribution characteristics among users, the present invention provides a A user admission control method based on an SDMA architecture. In the technical solution of the present invention, a radio resource manager (Radio Network Controller, referred to as RNC) obtains the spatial distribution information of each user from a node, including the spatial distribution of newly admitted users. information; the RNC allocates space division resources for newly admitted users according to the spatial distribution information among users. This method is applicable to both High Speed ​​Downlink Packet Access (HSDPA for short) and High Speed ​​Uplink Packet Access (HSUPA for short), which can optimize system pe...

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Abstract

The invention discloses an admission control method for user equipment and a radio resource manager. The method comprises the following steps that: the radio resource manager acquires spatial distribution information of all user equipment from a predetermined node, wherein all user equipment comprises newly admitted user equipment and existing user equipment; and the radio resource manager allocates spatial distribution resources for the newly admitted user equipment according to the acquired spatial distribution information of all user equipment. Through the processing, optimal resources canbe allocated to users; and applied probability of SDMA and throughput of cells can be increased.

Description

technical field [0001] The present invention relates to the communication field, and in particular, relates to a user terminal admission control method and a radio resource manager. Background technique [0002] At present, in modern communication systems, multi-antenna transceiver technology has attracted widespread attention because it can effectively utilize space and time diversity and achieve ideal link performance. For example, the Multiple Users-Multiple Input Multiple Output (MU-MIMO) technology makes full use of the independence of channel fading between different transceiver antenna pairs to obtain space diversity or coding gain, thereby greatly improving the frequency spectrum. utilization rate. [0003] However, MIMO does not multiplex resources. Therefore, in order to further tap the transmission potential of the multi-antenna system, the Spatial Division Multiple Access (SDMA) technology can be introduced. From a physical point of view, SDMA technology utiliz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04B7/04H04W74/00
Inventor 芮华
Owner ZTE CORP
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