Understanding LTE Model Internals and Interfaces

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1581 Understanding LTE Model Internals and InterfacesLab 1: Admission Control Customization•Objectives•Understand how the admission control algorithm monitors radioresources and admits/rejects/preempts radio bearers•Customize the admission control algorithm with a certainobjective•Analyze the admission control logic using detailed traces andstatistics•Time: 40 minutesCONFIDENTIAL ─ RESTRICTED ACCESS: This information may not be disclosed, copied, or transmitted in any format without the prior written consent of OPNET Technologies, Inc. © 2010 OPNET Technologies, Inc.22
1581 Understanding LTE Model Internals and InterfacesLab 1: Take away points•OPNET supports dynamic activation, and deactivation of EPSbearers•It is possible to modify the bearer QoS at the radio level• It is possible to easily interface with the admission control module withoutneeding any additional work in communication with the core side• Bearer QoS can be modified locally at the radio level• IMPORTANT: In this lab, we are not modeling EPS bearer modificationprocess. The bearer QoS is changed locally at the eNodeB AS. Ideally, sucha change would trigger the EPS modification message, but it is notimportant for our purposes, and hence not modeled• Using detailed traces and statistics, the admission control module can be easilyanalyzedCONFIDENTIAL ─ RESTRICTED ACCESS: This information may not be disclosed, copied, or transmitted in any format without the prior written consent of OPNET Technologies, Inc. © 2010 OPNET Technologies, Inc.23
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