DMCA
Spectrum Leasing to Cooperating Secondary ad hoc Networks (2008)
| Venue: | IEEE JSAC |
| Citations: | 78 - 5 self |
BibTeX
@ARTICLE{Simeone08spectrumleasing,
author = {O. Simeone and I. Stanojev and S. Savazzi and Y. Bar-ness and U. Spagnolini and R. Pickholtz},
title = {Spectrum Leasing to Cooperating Secondary ad hoc Networks},
journal = {IEEE JSAC},
year = {2008},
pages = {203--213}
}
Share
 |
 |
 |
 |
||
OpenURL
Abstract
Abstract—The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource by allowing the coexistence of licensed (primary) and unlicensed (secondary) users in the same bandwidth. According to the property-rights model of cognitive radio, the primary terminals own a given bandwidth and may decide to lease it for a fraction of time to secondary nodes in exchange for appropriate remuneration. In this paper, we propose and analyze an implementation of this framework, whereby a primary link has the possibility to lease the owned spectrum to an ad hoc network of secondary nodes in exchange for cooperation in the form of distributed space-time coding. On one hand, the primary link attempts to maximize its quality of service in terms of either rate or probability of outage, accounting for the possible contribution from cooperation. On the other hand, nodes in the secondary ad hoc network compete among themselves for transmission within the leased time-slot following a distributed power control mechanism. The investigated model is conveniently cast in the framework of Stackelberg games. We consider both a baseline scenario with full channel state information and informationtheoretic transmission strategies, and a more practical model with long-term channel state information and randomized distributed space-time coding. Analysis and numerical results show that spectrum leasing based on trading secondary spectrum access for cooperation is a promising framework for cognitive radio. Index Terms—Cognitive radio, property-rights, Stackelberg games, cooperative transmission, spectrum leasing.
Keyphrases
spectrum leasing cooperating secondary ad hoc network cognitive radio stackelberg game secondary node trading secondary spectrum access long-term channel state information numerical result frequency resource primary link attempt owned spectrum distributed power control mechanism full channel state information property-rights model possible contribution ad hoc network promising paradigm informationtheoretic transmission strategy secondary spectrum access investigated model appropriate remuneration practical model space-time coding baseline scenario secondary ad hoc network index term cognitive radio primary link efficient use distributed space-time coding primary terminal promising framework cooperative transmission
