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Physical Layer Frame in Signalling-Data Separation Architecture: Overhead and Performance Evaluation

Mohamed, Abdelrahim, Onireti, OS, Qi, Y, Imran, A, Imran, MA and Tafazolli, Rahim (2014) Physical Layer Frame in Signalling-Data Separation Architecture: Overhead and Performance Evaluation In: European Wireless 2014; 20th European Wireless Conference, 2014-05-14 - 2014-05-16, Barcelona, Spain.

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Conventional cellular systems are dimensioned according to a worst case scenario, and they are designed to ensure ubiquitous coverage with an always-present wireless channel irrespective of the spatial and temporal demand of service. A more energy conscious approach will require an adaptive system with a minimum amount of overhead that is available at all locations and all times but becomes functional only when needed. This approach suggests a new clean slate system architecture with a logical separation between the ability to establish availability of the network and the ability to provide functionality or service. Focusing on the physical layer frame of such an architecture, this paper discusses and formulates the overhead reduction that can be achieved in next generation cellular systems as compared with the Long Term Evolution (LTE). Considering channel estimation as a performance metric whilst conforming to time and frequency constraints of pilots spacing, we show that the overhead gain does not come at the expense of performance degradation.

Item Type: Conference or Workshop Item (Conference Paper)
Subjects : Electronic Engineering
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Onireti, OS
Qi, Y
Imran, A
Imran, MA
Date : 16 May 2014
Copyright Disclaimer : © VDE VERLAG GMBH, Berlin, Offenbach, Germany
Contributors :
Uncontrolled Keywords : Base stations; energy efficiency; equalizer; GSM; interpolation; OFDM; physical layer; radio access networks
Depositing User : Symplectic Elements
Date Deposited : 01 Mar 2017 15:43
Last Modified : 16 Jan 2019 16:54

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