Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Ping-zhi Fan"'
Publikováno v:
Tongxin xuebao, Vol 38, Pp 46-54 (2017)
Multipath interference would degrade the performance of multi-rate systems based on OFDM and CDMA,which spectrum efficiency was also lower relatively.To improve the performance and spectrum efficiency,a novel adaptive multi-rate DFT scrambling vector
Externí odkaz:
https://doaj.org/article/40c1a4464f574773b2b352ff79c97cef
Publikováno v:
IEEE Access, Vol 4, Pp 6833-6845 (2016)
In this paper, a novel joint continuous power and rate adaptation scheme is proposed fordoubly selective fading channels in orthogonal frequency division multiplexing (OFDM) systems, based on terminal velocity and perfect or imperfect channel state i
Externí odkaz:
https://doaj.org/article/25de243d0d9d43438fc221a832fb8abf
Publikováno v:
Tongxin xuebao, Vol 35, Pp 53-61 (2014)
A flow control random access protocol for event-driven machine-to-machine traffics in LTE network is pro-posed.The beta distribution is adopted to model the event-driven M2M traffics.This protocol uses the random access preamble free ratio in a fixed
Externí odkaz:
https://doaj.org/article/8b36c3e3304f417c80a20ac6f9f12785
Publikováno v:
Tongxin xuebao, Vol 33, Pp 67-73 (2012)
Wireless relay and network coding are two fundamental techniques to enhance the throughput of wireless communication system.The optimized design of complex field network coding scheme in non-orthogonal multiple access single relay system was addresse
Externí odkaz:
https://doaj.org/article/f82ceaa80ad44bf1b0d896e3f53b35b8
Publikováno v:
Applied Mechanics and Materials. :750-755
For high data rate transmission, the parallel turbo decoding can guarantee high communication reliability as well as reduce the decoding latency greatly. A challenge in the design of parallel turbo decoder is the design of collision-free interleavers
Autor:
Hong-yu Zhao, Ping-zhi Fan
Publikováno v:
Journal of Electronics & Information Technology. 30:2397-2401
Autor:
Li-fang Feng, Ping-zhi Fan
Publikováno v:
Journal of Zhejiang University SCIENCE A. 9:207-210
Publikováno v:
Journal of Central South University of Technology. 8:189-192
Traditional stabilization of backfilling material is done by using Portland cement. However, the high price of cement forced mining engineers to seek cheaper binding materials. Fly ash, which is the industrial waste from thermal power plant, possess
Publikováno v:
2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar (APSAR); 2011, p1-4, 4p
Publikováno v:
2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar (APSAR); 2011, p1-4, 4p