Header compression?
----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP ----- Original Message ----- From: "Mathew Howard" <[email protected]> To: "af" <[email protected]> Sent: Wednesday, February 15, 2017 9:51:55 AM Subject: Re: [AFMUG] 18GHz licensed I was just playing with Link planner... with a PTP820, it gives me about 320Mbps at 1024QAM, and 347Mbps at 2048QAM. So yeah, that's pretty much right on. Trango does claim 761Mbps in a single polarity 60mhz channel using 1024qam, but I don't see how that's possible... are they using compression to go that kind of numbers? On Wed, Feb 15, 2017 at 9:42 AM, Ken Hohhof < [email protected] > wrote: That’s the number of bits per symbol, you can’t just equate that to bits/sec/Hz. 1024QAM in a 40MHz channel single polarization would yield something like 300-320 Mbps depending on coding and stuff. 2048QAM maybe 10% more. (All assuming max modulation.) From: Af [mailto: [email protected] ] On Behalf Of Josh Luthman Sent: Wednesday, February 15, 2017 9:25 AM To: [email protected] Subject: Re: [AFMUG] 18GHz licensed I think 1024 qam is around 10 bits/hz so 40 MHz should be nearly 400 mbps. 2048qam is probably 12 bits/hz? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Wed, Feb 15, 2017 at 9:49 AM, Jeff Broadwick - Lists < [email protected] > wrote: <blockquote> I'd have to run the numbers, but it would get you a lot closer than a 40MHz channel. Jeff Broadwick ConVergence Technologies , Inc. 312-205-2519 Office 574-220-7826 Cell [email protected] On Feb 15, 2017, at 8:46 AM, Faisal Imtiaz < [email protected] > wrote: <blockquote> How would you do 500meg on a single 60MHZ channel in 6ghz ? Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232 Help-desk: (305)663-5518 Option 2 or Email: [email protected] <blockquote> From: "Jeff Broadwick - Lists" < [email protected] > To: [email protected] Sent: Wednesday, February 15, 2017 7:05:30 AM Subject: Re: [AFMUG] 18GHz licensed <blockquote> Did you check and see if there is a 60MHz channel available in 6GHz Rory? Jeff Broadwick ConVergence Technologies , Inc. 312-205-2519 Office 574-220-7826 Cell [email protected] On Feb 15, 2017, at 1:39 AM, Rory Conaway < [email protected] > wrote: <blockquote> Will the Cambium 820 support that? Rory -----Original Message----- From: Af [ mailto:[email protected] ] On Behalf Of George Skorup Sent: Tuesday, February 14, 2017 11:25 PM To: [email protected] Subject: Re: [AFMUG] 18GHz licensed IIRC, there are 10 channel pairs on the 40MHz channel plan for 18GHz. You could always do 2+0 if there are two channels available on your proposed path. On 2/15/2017 12:06 AM, Rory Conaway wrote: <blockquote> 12 miles. Needs 4' dishes minimum but I didn't ask about both polarities. Thanks. </blockquote> <blockquote> </blockquote> <blockquote> Rory </blockquote> <blockquote> </blockquote> <blockquote> -----Original Message----- </blockquote> <blockquote> From: Af [ mailto:[email protected] ] On Behalf Of Trey Scarborough </blockquote> <blockquote> Sent: Tuesday, February 14, 2017 10:05 PM </blockquote> <blockquote> To: [email protected] </blockquote> <blockquote> Subject: Re: [AFMUG] 18GHz licensed </blockquote> <blockquote> </blockquote> <blockquote> Hmm Xpic if you can get 40mhz on H and V. are you trying to make this </blockquote> <blockquote> go </blockquote> <blockquote> 30 miles though... </blockquote> <blockquote> </blockquote> <blockquote> </blockquote> <blockquote> On 2/14/2017 10:17 PM, Rory Conaway wrote: </blockquote> <blockquote> <blockquote> I have a link where only 40MHz is available. What would my best </blockquote> </blockquote> <blockquote> <blockquote> option be to get more than 500Mbps out of it? 2048QAM is limited to 347Mbps. </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> *Rory Conaway ** � Triad Wireless � **CEO* </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> *4226 S. 37^th Street � Phoenix � AZ 85040* </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> * 602-426-0542 * </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> * [email protected] < mailto:[email protected] >* </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> * www.triadwireless.net < http://www.triadwireless.net/ >* </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> * * </blockquote> </blockquote> <blockquote> <blockquote> </blockquote> </blockquote> <blockquote> <blockquote> � The successful man is the one who finds out what is the matter </blockquote> </blockquote> <blockquote> <blockquote> with his business before his competitors do. � - Roy L. 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