Title :
Improvement Fourth Generation (4G) Using Channel Shortening Method
Author :
Rahayu, Yusnita ; Rajkumar, Rajparthiban Kumar ; Ramachandran, Kumaran
Author_Institution :
Sch. of Eng., Univ. Coll. Sedaya Int., Kuala Lumpur
Abstract :
In order to increase the capacity of next-generation telecommunication networks, fourth generation (4G) mobile communication system, modulation and symbol rate must be optimized and channel utilization maximized. Orthogonal frequency division multiplexing (OFDM), a technology designed to resist interference caused by a radio signal´s multiple paths is a potential candidate for the physical layer of 4G mobile systems. Blind channel estimation is a recent class of adaptive algorithms which is able to exploit characteristics of the transmitted signal and do not require training sequences can be implemented in OFDM wireless system to obtain best performance. The channel shortening design improves bit error rate (BER) after signal noise ratio (SNR) above 20 dB
Keywords :
4G mobile communication; OFDM modulation; channel estimation; error statistics; interference suppression; multipath channels; 4G mobile communication system; BER; OFDM wireless system; SNR; adaptive algorithms; bit error rate; blind channel estimation; channel shortening design; channel shortening method; channel utilization; fourth generation mobile communication system; orthogonal frequency division multiplexing; radio signal´s multiple paths; signal noise ratio; 4G mobile communication; Bit error rate; Next generation networking; OFDM modulation; Physical layer; RF signals; Radiofrequency interference; Resists; Signal design; Signal to noise ratio; 4G; Blind Channel Estimation; OFDM;
Conference_Titel :
RF and Microwave Conference, 2006. RFM 2006. International
Conference_Location :
Putra Jaya
Print_ISBN :
0-7803-9745-2
Electronic_ISBN :
0-7803-9745-2
DOI :
10.1109/RFM.2006.331103
