3g mobile network_ rrm admission control

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30/10/2014 3G Mobile Network: RRM Admission Control

http://3gmobilenetwork.blogspot.com/2010/03/rrm-admission-control.html

Tuesday, March 23, 2010

RRM Admission Control

Admission control decides whether or not an incoming call can be

accepted. A new radio connection is admitted by the CRNC which

accounts for the available resources at the corresponding Node B.

The allocation of resources includes the allocation of the

corresponding downlink spreading and channelization code pair.

The objective of admission control is to maintain call quality in

each cell by limiting admission of radio bearers. If radio bearers

were granted without limit, the interference level in the cell

would increase, leading to degradation of the call quality. In

addition to the admission control function in the RNC, the Node B

performs admission control to protect the Node B against too high

transmission power requirements. The Node B estimates the

transmission power requirement of a new radio link and verifies

whether the total transmission power is below the maximum

allowable transmission power.

saksith 10:43 AM

: RRM Admission Control

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