NDLI: Control and data channel resource allocation in macro-femto Heterogeneous Networks

Content Provider	IEEE Xplore Digital Library
Author	Saeed, A. Katranaras, E. Dianati, M. Imran, M.A.
Copyright Year	2015
Description	Author affiliation: Inst. for Commun. Syst., Univ. of Surrey, Guildford, UK (Saeed, A.; Katranaras, E.; Dianati, M.; Imran, M.A.)
Abstract	This paper investigates the downlink resource allocation problem in Orthogonal Frequency Division Multiple Access (OFDMA) Heterogeneous Networks (HetNets) consisting of macrocells and femtocells sharing the same frequency band. The focus is to devise an optimised policy for femtocells' access to the shared spectrum, in terms of femtocell transmissions, in order to keep femto users sum data rate at high levels while ensuring that certain level of quality of service (QoS) for the macro-cell users in the vicinity of femtocells is provided. Both data and control channel constraints are considered, to insure that not only the macro-cell users' data rate demands are meet, but also a certain level of Bit Error Rate (BER) is ensured for the control channel information. The problem is addressed by our proposed linear binary integer programming heuristic algorithm and the performance is compared with the conventional Reuse-1 scheme. Results show a negligible drop in femtocell performance for our proposed scheme, as a trade-off for ensuring all macro users data rate demands when Reuse-1 scheme can even lead up to 40% outage. Discussion is also presented for the implementation possibility of our proposed in a practical LTE network.
Starting Page	1272
Ending Page	1276
File Size	403480
Page Count	5
File Format	PDF
e-ISBN	9781479953448
DOI	10.1109/IWCMC.2015.7289265
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-24
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Macrocell networks OFDM Bit error rate Interference Femtocells Resource management Signal to noise ratio
Content Type	Text
Resource Type	Article

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