NDLI: Performance optimization of pico node deployment in LTE macro cells

Content Provider	IEEE Xplore Digital Library
Author	Strzyz, S. Pedersen, K.I. Lachowski, J. Frederiksen, F.
Copyright Year	2011
Description	Author affiliation: Nokia Siemens Networks - Research, ul. Strzegomska 2-4, Wroclaw, 53-611, Poland (Strzyz, S.; Lachowski, J.) \|\| Nokia Siemens Networks - Research, Aalborg, Denmark (Pedersen, K.I.; Frederiksen, F.)
Abstract	One example of heterogeneous networks include deployment of outdoor low power pico eNBs in existing macro-layer networks. Placing these within the coverage area of macro eNBs introduce several challenges in terms of assuring low interference levels while at the same time improving the performance of the users. In this paper we focus on the comparison between three main frequency reuse schemes: Co-Channel, Hard Frequency Reuse, and Fractional Frequency Reuse. Such schemes are evaluated for different user distributions in the network, as this is one of the important scenario assumptions affecting the performance gain from deploying pico eNBs. Aspects of pico eNB range expansion are also addressed. The evaluations presented show that pico eNB deployment can provide a significant offloading effect to the macro layer. It is also shown that frequency partitioning and utilization of frequency reuse will provide a larger average gain than co-channel deployment combined with pico range extension.
Starting Page	1
Ending Page	9
File Size	457953
Page Count	9
File Format	PDF
ISBN	9781457709289
e-ISBN	9781905824250
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-15
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	IIMC
Subject Keyword	Heterogenous networks Transmitting antennas Interference Bandwidth Pico eNBs Performance gain Carrier configurations Throughput Radio spectrum management Signal to noise ratio
Content Type	Text
Resource Type	Article

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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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