Cross-layer resource allocation for mixed services in multiuser OFDM-based cognitive radio systems
Y Zhang, C Leung - IEEE Transactions on Vehicular …, 2009 - ieeexplore.ieee.org
We study the resource-allocation problem in a multiuser orthogonal frequency-division
multiplexing (OFDM)-based cognitive radio (CR) system using a cross-layer approach. The …
multiplexing (OFDM)-based cognitive radio (CR) system using a cross-layer approach. The …
Cross-layer resource allocation for real-time services in OFDM-based cognitive radio systems
Y Zhang, C Leung - Telecommunication Systems, 2009 - Springer
The resource allocation problem on the downlink of a multiuser OFDM-based cognitive radio
(CR) system is formulated using a cross-layer (MAC and PHY layers) approach with the aim …
(CR) system is formulated using a cross-layer (MAC and PHY layers) approach with the aim …
Resource allocation for non-real-time services in OFDM-based cognitive radio systems
Y Zhang, C Leung - IEEE Communications Letters, 2009 - ieeexplore.ieee.org
We study the resource allocation (RA) problem in a multiuser OFDM-based cognitive radio
(CR) system for non-realtime (NRT) applications in which average user data rates are to be …
(CR) system for non-realtime (NRT) applications in which average user data rates are to be …
Fast optimal resource allocation is possible for multiuser OFDM-based cognitive radio networks with heterogeneous services
M Ge, S Wang - IEEE transactions on wireless communications, 2012 - ieeexplore.ieee.org
In this paper we study the resource allocation in multiuser orthogonal frequency division
multiplexing (OFDM)-based cognitive radio (CR) networks, where secondary users (SUs) …
multiplexing (OFDM)-based cognitive radio (CR) networks, where secondary users (SUs) …
A distributed algorithm for resource allocation in OFDM cognitive radio systems
Y Zhang, C Leung - IEEE transactions on vehicular technology, 2010 - ieeexplore.ieee.org
We study the problem of allocating subchannels, bits, and powers in a cognitive radio
system, in which available system resources are highly dynamic. The modulation scheme …
system, in which available system resources are highly dynamic. The modulation scheme …
Resource allocation for multiuser cognitive OFDM networks with proportional rate constraints
S Wang, F Huang, M Yuan, S Du - International Journal of …, 2012 - Wiley Online Library
In this paper we study the resource allocation problem for the multiuser orthogonal
frequency division multiplexing (OFDM)‐based cognitive radio (CR) systems with …
frequency division multiplexing (OFDM)‐based cognitive radio (CR) systems with …
Fair adaptive resource allocation for multiuser OFDM cognitive radio systems
T Qin, C Leung - … on Communications and Networking in China, 2007 - ieeexplore.ieee.org
Cognitive radio (CR) is a promising concept for improving the utilization of scarce radio
spectrum resources. Orthogonal frequency division multiplexing (OFDM) is regarded as a …
spectrum resources. Orthogonal frequency division multiplexing (OFDM) is regarded as a …
A cost minimization algorithm for a multiuser OFDM cognitive radio system
T Qin, C Leung - 2007 IEEE Pacific Rim Conference on …, 2007 - ieeexplore.ieee.org
Cognitive radio (CR) is a promising concept for improving the utilization of scarce radio
spectrum resources. Orthogonal frequency division multiplexing (OFDM) is regarded as a …
spectrum resources. Orthogonal frequency division multiplexing (OFDM) is regarded as a …
Interference-aware radio resource allocation in OFDMA-based cognitive radio networks
SM Almalfouh, GL Stüber - IEEE Transactions on Vehicular …, 2011 - ieeexplore.ieee.org
This paper considers the problem of radio resource allocation in an orthogonal frequency-
division multiple access based cognitive radio (CR) network that opportunistically operates …
division multiple access based cognitive radio (CR) network that opportunistically operates …
A two-step resource allocation algorithm in multicarrier based cognitive radio systems
This paper presents a two-step downlink resource allocation algorithm for multicarrier based
cognitive radio systems. The algorithm allocates the subcarriers to the users in the first step …
cognitive radio systems. The algorithm allocates the subcarriers to the users in the first step …