Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Xue Zhi Tan"'
Publikováno v:
Advanced Materials Research. :1818-1821
Single carrier frequency domain equalization (SC-FDE) has been receiving much attention for its advantage of suppressing inter-symbol interference (ISI). We proposed a frequency domain iterative decision feedback equalization (FD-IDFE) algorithm for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7418a3ed571beb48eaef27df0ff18754
https://doi.org/10.4028/www.scientific.net/amr.926-930.1818
https://doi.org/10.4028/www.scientific.net/amr.926-930.1818
Publikováno v:
Advanced Materials Research. :3669-3672
For cognitive radio environment needs of different users, A space-time diversity multi-carrier code division multiple access (OFDM-CDMA) technology architecture of the cognitive radio (CR) system is used, a novel non-cooperative power control algorit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fdd71326e8aa3a04e7e4364466f6e227
https://doi.org/10.4028/www.scientific.net/amr.926-930.3669
https://doi.org/10.4028/www.scientific.net/amr.926-930.3669
Publikováno v:
Applied Mechanics and Materials. :2862-2868
In the cognitive network, the cognitive users are allowed to utilize the licensed bands without interference to primary user. The spectrum sensing performance of cognitive user is important for protection to primary user. In this paper, we investigat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20585a4a7b03c0907041ce6e400eb440
https://doi.org/10.4028/www.scientific.net/amm.543-547.2862
https://doi.org/10.4028/www.scientific.net/amm.543-547.2862
Publikováno v:
Advanced Materials Research. :3522-3526
Channel estimation plays a crucial role in improving the overall system performance in long term evolution (LTE) systems. However, it is demonstrated that conventional channel estimation algorithms have poor performance in the presence of a large Dop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5456051e283d646c55a83a40c2a7eb4
https://doi.org/10.4028/www.scientific.net/amr.756-759.3522
https://doi.org/10.4028/www.scientific.net/amr.756-759.3522
Publikováno v:
Advanced Materials Research. :3527-3531
With the growing popularity of location-based service (LBS), wireless local area networks (WLAN) indoor positioning has gained widespread attention. Unlike the traditional algorithm concentrating on positioning accuracy, we discuss how to improve the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ebcd3e31dbad96736cba5acb1f0e092
https://doi.org/10.4028/www.scientific.net/amr.756-759.3527
https://doi.org/10.4028/www.scientific.net/amr.756-759.3527
Publikováno v:
Applied Mechanics and Materials. :1588-1593
With the urgent needs of improving spectrum’s efficiency, dynamic spectrum allocation based on auction has become a popular method, which makes unlicensed users to use the vacant spectrum released by primary users. However, the collusion behavior b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d17c58cf4c91670891c2f5fed986478
https://doi.org/10.4028/www.scientific.net/amm.198-199.1588
https://doi.org/10.4028/www.scientific.net/amm.198-199.1588
Publikováno v:
Advanced Materials Research. :932-936
Cognitive Radio (CR) has been proposed as one of the most promising technologies to provide efficient utilization of the limited wireless spectrum. In this paper, we investigate the power allocation for CR system based on orthogonal frequency divisio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f14b56ad9502361bb717bbeffc472bb
https://doi.org/10.4028/www.scientific.net/amr.546-547.932
https://doi.org/10.4028/www.scientific.net/amr.546-547.932
Publikováno v:
Applied Mechanics and Materials. :1065-1070
In the cognitive radio system allocation algorithm based on graph theory is always research focus at home and abroad. Cognitive radio users choose main users’ spectrum which don’t use spectrum, but the available spectrum is affected on main users
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c34d83f17bcfe6ebf03fb6302a01694
https://doi.org/10.4028/www.scientific.net/amm.157-158.1065
https://doi.org/10.4028/www.scientific.net/amm.157-158.1065
Publikováno v:
IEEE Transactions on Vehicular Technology. 60:4384-4391
Based on the analysis of the feature of cognitive radio (CR) networks, we build a relevant interference model. Cognitive users should particularly consider the problem of interference with licensed users and satisfy the signal-to-interference-plus-no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e61ad1a6db63bccca9bcf71fac87b7f1
https://doi.org/10.1109/tvt.2011.2172474
https://doi.org/10.1109/tvt.2011.2172474
Autor:
Gui-sen Xu, Xue-zhi Tan
Publikováno v:
Journal of Central South University. 18:1532-1544
A novel distributed cognitive radio multichannel medium access protocol without common control channel was proposed. The protocol divided a transmission interval into two parts for exchanging control information and data, respectively. In addition to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d16a5e9a75ba97ce8cd25b01b1e3b450
https://doi.org/10.1007/s11771-011-0870-8
https://doi.org/10.1007/s11771-011-0870-8