Title :
Soft combining hybrid ARQ schemes application to reliable communications within 3G wireless networks
Author :
Chiti, F. ; Fantacci, R. ; Pecorella, T. ; Versaci, F.
Author_Institution :
Dipt. di Elettronica e Telecomunicazioni, Firenze Univ., Italy
Abstract :
This paper deals with the application of hybrid automatic repeat request (H-ARQ) techniques to reliable data communications in wireless 3G networks. Basically, retransmission of coded data is endowed with soft combining schemes applied, respectively, to packet replicas, or to decoding algorithm outputs. By means of analytical derivations and simulations on UMTS environment, a noticeable bit error rate (BER) and, then, frame error rate (FER) improvements have been shown. A significant link throughput increase is also pointed out with a consequent reduced packet delivery delay and power wasting.
Keywords :
3G mobile communication; automatic repeat request; data communication; error statistics; packet radio networks; telecommunication network reliability; 3G wireless network; H-ARQ technique; UMTS environment; Universal Mobile Telecommunication System; bit error rate; channel coding scheme; coded data; decoding algorithm output; frame error rate; hybrid automatic repeat request; packet delivery delay; packet replica; reliable communication; soft combining hybrid ARQ scheme; turbo code scheme; 3G mobile communication; Analytical models; Automatic repeat request; Bit error rate; Data communication; Decoding; Error analysis; Telecommunication network reliability; Wireless communication; Wireless networks;
Conference_Titel :
Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-7700-1
DOI :
10.1109/WCNC.2003.1200656
