On Optimal Power Allocation for a Class of Interference Networks

Badruddin , Nasreen and Evans, Jamie and Hanly, Stephen (2010) On Optimal Power Allocation for a Class of Interference Networks. In: IEEE Global Telecommunications Conference 2010, GLOBECOM 2010, 6-10 Dec 2010, Miami, Florida, USA.

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Binary power control has been shown to be optimal in a variety of network conditions. In the context of sumrate maximisation in interference networks, our main result states that the optimal power policy for a link is binary if it only interferes with one other link in the network. Examples of networks which have at least one link with this attribute include the two-link interference channel (IC), the one-sided Wyner network and the many-to-one interference channel. Previous works have fully characterised the optimal power scheme for the two-link IC and they agree with our results. For the one-sided Wyner network, our main result leads to a problem which is tractable and can be solved using dynamic programming methods.

Item Type:Conference or Workshop Item (Paper)
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments / MOR / COE:Departments > Electrical & Electronic Engineering
ID Code:4375
Deposited By: Nasreen Badruddin
Deposited On:17 Mar 2011 07:57
Last Modified:19 Mar 2014 04:27

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