DocumentCode :
780211
Title :
Performance of Quadrature Amplitude Modulation for Indoor Radio Communications
Author :
Valenzuela, Reinaldo A.
Author_Institution :
AT&T Bell Laboratories, Holmdel, NJ, USA
Volume :
35
Issue :
11
fYear :
1987
fDate :
11/1/1987 12:00:00 AM
Firstpage :
1236
Lastpage :
1238
Abstract :
The performance of 
-QAM for indoor radio communications is evaluated via a realistic model for indoor multipath propagation [1]. It is found that the outage (BER < 10-4) is about 0.3 percent at 1 Mbit/s and 20 percent at 4 Mbits/s. Two-antenna predetection diversity reduces the outage from 1.2 to 0.04 percent at 2 Mbits/s. Increasing the signaling pulse rolloff factor from 0.5 to 1.0 reduces the outage by not more than 35 percent.
-QAM for indoor radio communications is evaluated via a realistic model for indoor multipath propagation [1]. It is found that the outage (BER < 10-4) is about 0.3 percent at 1 Mbit/s and 20 percent at 4 Mbits/s. Two-antenna predetection diversity reduces the outage from 1.2 to 0.04 percent at 2 Mbits/s. Increasing the signaling pulse rolloff factor from 0.5 to 1.0 reduces the outage by not more than 35 percent.Keywords :
Indoor radio communications; Multipath channels; Quadrature amplitude modulation; Radio communication, indoor; Bit error rate; Detectors; Indoor radio communication; Noise figure; Quadrature amplitude modulation; Radio transmitters; Random variables; Signal to noise ratio; Space technology; System performance;
fLanguage :
English
Journal_Title :
Communications, IEEE Transactions on
Publisher :
ieee
ISSN :
0090-6778
Type :
jour
DOI :
10.1109/TCOM.1987.1096704
Filename :
1096704
Link To Document :
