Fully Distributed Optimal Channel Assignment for Open Spectrum Access
نویسندگان
چکیده
منابع مشابه
Spectrum Sharing Through Dynamic Channel Assignment For Open Access To Personal Communications Services
This paper focuses on a narrow band technical solution that uses decentralized spectrum sharing to facilitate open access among competing Personal Communications Services (PCS) operators. Existing policies that apportion spectrum by Fixed Channel Assignment (FCA) involve inefficiencies resulting from fragmentation of the available resource into mutually exclusive frequency blocks. Dynamic Chann...
متن کاملDistributed Channel Assignment and Precoder Design for Multiantenna Dynamic Spectrum Access Systems
We consider a cognitive radio (CR) network in which nodes employ multi-input multi-output (MIMO) for spatial multiplexing (realized through precoding matrices). Our objective is to jointly allocate available channels to various CR links such that no channel is allocated to more than one link, and simultaneously optimize the precoding matrices (one per allocated channel) at each transmitter so a...
متن کاملOn Optimal Distributed Channel Allocation for Access Points in WLANs
We propose a new distributed algorithm for optimal channel assignment in WLANs with multiple access points, applying a novel formulation for wireless networks based on Distributed Constraint Optimization Problem (DCOP). The DCOP approach allows to model a wide variety of distributed reasoning tasks of multi-agent applications. The proposed strategy is derived from a polynomialspace algorithm fo...
متن کاملOn Designing Truthful and Optimal Spectrum Assignment Mechanisms for Dynamic Spectrum Access
With the advances of cognitive radio technologies, Dynamic Spectrum Access (DSA) has received increasing attention. For dynamic spectrum access, a good spectrum assignment algorithm often considers the spectrum demands of different devices and assigns contiguous and variable bandwidth to them. However, if the DSA devices at a location belong to two or more entities, a selfish entity may want to...
متن کاملDistributed Opportunistic Channel Acquisition Mechanism in Dynamic Spectrum Access Networks
We present a distributed opportunistic channel acquisition mechanism in dynamic spectrum access (DSA) networks. A novel graph-multicoloring algorithm is proposed for secondary networks, in which, each network makes use only of the local topology information (i.e., information about itself and its one-hop neighbors) to resolve contentions during channel access. We show that the proposed algorith...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Transactions on Signal Processing
سال: 2014
ISSN: 1053-587X,1941-0476
DOI: 10.1109/tsp.2013.2285512