Micro mobility management for heterogeneous networks in LTE-A

Min Soo Woo; Seong Mun Kim; Seung Eun Hong; Sung-Gi Min

doi:10.1109/TSP.2015.7296221

Micro mobility management for heterogeneous networks in LTE-A

Min Soo Woo
, Seong Mun Kim
, Seung Eun Hong
, Sung-Gi Min

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Heterogeneous network, which consists of macro-cells and small cells, is actively researched in Long Term Evolution (LTE) area. The present handover procedure is not considered for the heterogeneous network environment. As the coverage of a small cell is limited, more frequent handovers occur. Therefore, workloads of a Mobility Management Entity (MME) and a Serving Gateway (SGW) increase. We propose the micro mobility management to reduce the workloads of the MME and the SGW. The proposed scheme introduces the mobility anchor, which handles handover between small cells without the participation of the MME and the SGW. The mobility anchor hides the change of the data path of a User Equipment (UE) from the SGW. Also, the MME can receive the notification of the change of the control path for maintenance of the Non Access Stratum (NAS) channel between the MME and the UE. The MME no longer relays the data path control signal to the SGW. The simulation result shows the reduction of the handover latency due to the simplified handover procedure.

Original language	English
Title of host publication	2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	45-48
Number of pages	4
ISBN (Print)	9781479984985
DOIs	https://doi.org/10.1109/TSP.2015.7296221
Publication status	Published - 2015 Oct 9
Event	2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015 - Prague, Czech Republic Duration: 2015 Jul 9 → 2015 Jul 11

Other

Other	2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015
Country/Territory	Czech Republic
City	Prague
Period	15/7/9 → 15/7/11

Keywords

handover procedure
heterogeneous network
HetNet
LTE
LTE-A
mobility anchor

ASJC Scopus subject areas

Computer Networks and Communications
Signal Processing

Access to Document

10.1109/TSP.2015.7296221

Cite this

Micro mobility management for heterogeneous networks in LTE-A. / Woo, Min Soo; Kim, Seong Mun; Hong, Seung Eun et al.
2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015. Institute of Electrical and Electronics Engineers Inc., 2015. p. 45-48 7296221.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Woo, MS, Kim, SM, Hong, SE & Min, S-G 2015, Micro mobility management for heterogeneous networks in LTE-A. in 2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015., 7296221, Institute of Electrical and Electronics Engineers Inc., pp. 45-48, 2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015, Prague, Czech Republic, 15/7/9. https://doi.org/10.1109/TSP.2015.7296221

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title = "Micro mobility management for heterogeneous networks in LTE-A",

abstract = "Heterogeneous network, which consists of macro-cells and small cells, is actively researched in Long Term Evolution (LTE) area. The present handover procedure is not considered for the heterogeneous network environment. As the coverage of a small cell is limited, more frequent handovers occur. Therefore, workloads of a Mobility Management Entity (MME) and a Serving Gateway (SGW) increase. We propose the micro mobility management to reduce the workloads of the MME and the SGW. The proposed scheme introduces the mobility anchor, which handles handover between small cells without the participation of the MME and the SGW. The mobility anchor hides the change of the data path of a User Equipment (UE) from the SGW. Also, the MME can receive the notification of the change of the control path for maintenance of the Non Access Stratum (NAS) channel between the MME and the UE. The MME no longer relays the data path control signal to the SGW. The simulation result shows the reduction of the handover latency due to the simplified handover procedure.",

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author = "Woo, \{Min Soo\} and Kim, \{Seong Mun\} and Hong, \{Seung Eun\} and Sung-Gi Min",

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AU - Hong, Seung Eun

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N2 - Heterogeneous network, which consists of macro-cells and small cells, is actively researched in Long Term Evolution (LTE) area. The present handover procedure is not considered for the heterogeneous network environment. As the coverage of a small cell is limited, more frequent handovers occur. Therefore, workloads of a Mobility Management Entity (MME) and a Serving Gateway (SGW) increase. We propose the micro mobility management to reduce the workloads of the MME and the SGW. The proposed scheme introduces the mobility anchor, which handles handover between small cells without the participation of the MME and the SGW. The mobility anchor hides the change of the data path of a User Equipment (UE) from the SGW. Also, the MME can receive the notification of the change of the control path for maintenance of the Non Access Stratum (NAS) channel between the MME and the UE. The MME no longer relays the data path control signal to the SGW. The simulation result shows the reduction of the handover latency due to the simplified handover procedure.

AB - Heterogeneous network, which consists of macro-cells and small cells, is actively researched in Long Term Evolution (LTE) area. The present handover procedure is not considered for the heterogeneous network environment. As the coverage of a small cell is limited, more frequent handovers occur. Therefore, workloads of a Mobility Management Entity (MME) and a Serving Gateway (SGW) increase. We propose the micro mobility management to reduce the workloads of the MME and the SGW. The proposed scheme introduces the mobility anchor, which handles handover between small cells without the participation of the MME and the SGW. The mobility anchor hides the change of the data path of a User Equipment (UE) from the SGW. Also, the MME can receive the notification of the change of the control path for maintenance of the Non Access Stratum (NAS) channel between the MME and the UE. The MME no longer relays the data path control signal to the SGW. The simulation result shows the reduction of the handover latency due to the simplified handover procedure.

KW - handover procedure

KW - heterogeneous network

KW - HetNet

KW - LTE

KW - LTE-A

KW - mobility anchor

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BT - 2015 38th International Conference on Telecommunications and Signal Processing, TSP 2015

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ER -

Micro mobility management for heterogeneous networks in LTE-A

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Keywords

ASJC Scopus subject areas

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