Title :
An Internally Adaptive LDPC Coded Ultra Wideband-Impulse Radio System
Author :
Yang, Jianhua ; Zhao, Danfeng ; Zhao, Chunhui ; Xue, Rui
Author_Institution :
Harbin Eng. Univ., Harbin
Abstract :
In this paper, we propose an internally adaptive LDPC coded ultra wideband-impulse radio (IALC-UWB-IR) system which is able to adaptively select the code rate of the LDPC code and the number of pulse repetitions. Performance of the proposed system is evaluated under the UWB multipart channel proposed in the IEEE 802.15.3a standard, and the selective-RAKE receiver with maximal radio combining is used. Simulation result shows that the proposed 1ALC-UWB-IR system significantly outperforms the conventional UWB-1R systems.
Keywords :
adaptive codes; channel coding; multipath channels; parity check codes; personal area networks; radio receivers; ultra wideband communication; IEEE802.15.3a standard; UWB multipath channel; internally adaptive LDPC coded ultrawideband-impulse radio system; performance evaluation; pulse repetitions; selective-RAKE receiver; Block codes; Error correction codes; Fading; Multipath channels; Parity check codes; Pulse modulation; Receivers; Transmitters; Turbo codes; Ultra wideband technology; RAKE receiver; UWB channel model; low density parity check code; ultra-wideband;
Conference_Titel :
Signal Design and Its Applications in Communications, 2007. IWSDA 2007. 3rd International Workshop on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-1074-3
Electronic_ISBN :
978-1-4244-1074-3
DOI :
10.1109/IWSDA.2007.4408394
