Jul 28, 2004 #1 X xinxin Full Member level 3 Joined Oct 8, 2003 Messages 184 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Activity points 1,238 gsm channel 890 Could u tell me how much the bandwidth of a GSM channel?
Jul 28, 2004 #2 S springf2000 Full Member level 6 Joined Jun 13, 2004 Messages 381 Helped 20 Reputation 40 Reaction score 2 Trophy points 1,298 Activity points 2,500 200kHZ/channel,the total is 15MHZ in channel,9 M for china mobile,6M for liantong in china
Jul 29, 2004 #3 X xinxin Full Member level 3 Joined Oct 8, 2003 Messages 184 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Activity points 1,238 200Khz is a spacing between channel , My quesion is the bandwidth for a channel , for example , CH62?
200Khz is a spacing between channel , My quesion is the bandwidth for a channel , for example , CH62?
Jul 29, 2004 #4 M mhadidy Junior Member level 1 Joined Jul 21, 2004 Messages 19 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 152 The technology is used in ultra-high-frequency (UHF) cellular telephone systems in the 800-MHz and 1.9-GHz bands. The FDMA part involves the division by frequency of the (maximum) 25 MHz bandwidth into 124 carrier frequencies spaced 200 kHz apart.
The technology is used in ultra-high-frequency (UHF) cellular telephone systems in the 800-MHz and 1.9-GHz bands. The FDMA part involves the division by frequency of the (maximum) 25 MHz bandwidth into 124 carrier frequencies spaced 200 kHz apart.
Jul 29, 2004 #5 M mhamed Advanced Member level 4 Joined Jul 28, 2004 Messages 114 Helped 10 Reputation 20 Reaction score 2 Trophy points 1,298 Activity points 827 what do u mean by "spacing between chanel" isn't it the same as a chanel bandwidth?let me know more
Jul 29, 2004 #6 S springf2000 Full Member level 6 Joined Jun 13, 2004 Messages 381 Helped 20 Reputation 40 Reaction score 2 Trophy points 1,298 Activity points 2,500 200Khz is a spacing between channel , My quesion is the bandwidth for a channel , for example , CH62? i donot know what do y wanted!
200Khz is a spacing between channel , My quesion is the bandwidth for a channel , for example , CH62? i donot know what do y wanted!
Jul 29, 2004 #7 C chihhao Full Member level 4 Joined Apr 4, 2004 Messages 204 Helped 4 Reputation 8 Reaction score 3 Trophy points 1,298 Activity points 1,701 From ETSI specification For example of EGSM uplink Ch n = 890+0.2n MHz n=0~124 Ch n = 890+0.2(n-1024) MHz n=975~1023 Each channel occupy 0.2M=200kHz bandwidth
From ETSI specification For example of EGSM uplink Ch n = 890+0.2n MHz n=0~124 Ch n = 890+0.2(n-1024) MHz n=975~1023 Each channel occupy 0.2M=200kHz bandwidth
Jul 30, 2004 #8 X xinxin Full Member level 3 Joined Oct 8, 2003 Messages 184 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Activity points 1,238 I made a mistake , the spacing between channel is just the bandwidth for a channel on GSM. Sorry.