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01-06-2015 | Issue 4/2015

Wireless Personal Communications 4/2015

Design Strategy for Measurement Scheduler in LTE Small Cell-Associated User Equipment

Journal:
Wireless Personal Communications > Issue 4/2015
Authors:
Jae-Wan Kim, Seong Ro Lee, Yang-Ick Joo

Abstract

Small cell deployment using Home eNB improves the LTE/LTE Advanced network coverage and capacity providing its relay and data offloading functions. However, latency of inbound mobility to the small cell is a critical obstacle to the deployment because it spends much time detecting an associated small cell due to its sparse deployment and identifying the target small cell because of the delay caused by the verification procedure required before performing inbound handover to the target. Therefore, the inbound handover latency should be minimized to encourage the deployment of the Home eNB. To tackle the handover latency problem, this paper proposes a practically possible solution for design of Layer 1 search/measure scheduler in LTE small cell-associated user equipment. The proposed strategy especially enhances the performance of the LTE Home eNB discovery and guarantees to meet the requirements defined in the corresponding conformance test specifications. Performance evaluation by computer simulation shows that the proposed scheme provides a proper guideline on the Layer 1 software implementation.

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