NDLI: Efficient small cell discovery mechanism exploiting network synchronization and assistance for future radio access networks

Content Provider	IEEE Xplore Digital Library
Author	Harada, H. Nagata, S. Kishiyama, Y. Ishii, H.
Copyright Year	2014
Description	Author affiliation: DOCOMO INNOVATIONS, Inc., Palo Alto, CA, USA (Ishii, H.) \|\| NTT DOCOMO Inc., Yokosuka, Japan (Harada, H.; Nagata, S.; Kishiyama, Y.)
Abstract	In this paper, we propose an efficient small cell discovery mechanism that addresses two problems: the increases in the UE effort and corresponding battery consumption for inter-frequency small cell discovery due to an increase in the number of frequency carriers to be measured, and the severe interference among synchronization signals (SSs) and reference signals (RSs) transmitted by clustered small cells. The proposed mechanism utilizes synchronized transmission of discovery signals (DS) for the discovery of small cells. In addition, the network informs connected UEs about the transmission timing and configuration information of DSs. Therefore, the proposed mechanism based on network synchronization and assistance can achieve fast and efficient discovery of multiple small cells, if an appropriate DS is applied. To solve the interference among synchronized DSs, the DS design based on existing SS and RS with orthogonal resource configuration is also proposed. Simulation results show that the proposed mechanism with an appropriate DS design can ensure accurate discovery of multiple small cells within a short measurement time.
Starting Page	675
Ending Page	679
File Size	732761
Page Count	5
File Format	PDF
ISBN	9781479958634
DOI	10.1109/ISWCS.2014.6933439
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-26
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Macrocell networks Ports (Computers) Interference Frequency measurement Synchronization Signal to noise ratio
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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