Handover Signaling for 3 Alternatives of Layer 3 Relay Node Implementation in LTE-advanced
DOI:
https://doi.org/10.11113/jt.v58.2551Keywords:
Architecture, Relaying, LTE (Long Term Evolution)-Advanced, HO (Handover), L3 RN (Layer 3 Relay Node)Abstract
Relaying is one of the technical specifications in LTE (Long Term Evolution)-Advanced. It is proposed to improve throughput at the cell edge and shadowing area. To enable relaying function in LTE-Advanced, current signaling should be modified because LTE does not support relaying technique. The enhancement work of LTE, proposed two architectures for RN (Relay Node) implementation which is called Architecture A and Architecture B. There are three alternatives in Architecture A and one alternative in Architecture B. This paper focused on the Architecture A. The control plane and user plane are discussed before the HO (Handover) signaling for each alternative in the Architecture A. L3 RN (Layer3 Relay Node) is considered in this architecture and work. The proposed signaling is based on HO scenario from a RN to a Target eNB (evolved NodeB) in a different cell.References
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