SWMich4G Posted September 21, 2013 Share Posted September 21, 2013 I don't have much knowledge about wireless technology so bear with me if I'm missing something. I understand the basics of PNs and LTE IDs. I'll be making another post asking for more information on all sector identifiers so look out for that. But first I was wondering what's going on in Michigan. I just recently started tracking PNs and SCIDs, although I had already been tracking BIDs. I can't track the HEX cell identities cause I don't have the right phone and I don't know of a database with them. From what I've read and what I've seen in other markets, PN offsets tend to be sequential and differ by either 3 or 6 between the sectors of a site. I also noticed LTE physical identities tend to differ by 169 between the sectors of a site. For the sites around me I've been able to confirm the numbers for I get the following values: PN offset (N, SE, SW) Site 1: 114, 270, 348 Site 2: 18, 333, 444 Site 3: 495, 93, 315 (sectors are actually N, N, SW) Site 4: 54, 267, 438 LTE physical identity/3 digit SCID (N, SE, SW) Site 1: 21, 403, 26 Site 2: 406, 15, 11 Site 3: 203, 123, 220 (sectors are actually N, N, SW) Site 4: 233, 223, 138 Is this normal? I'm not seeing much of a pattern here, and these things have to be planned ahead since they are non-unique but can't overlap. It's making it a serious pain to track them, since I have to be certain of what sector I'm connected to AND have to get all 3 for every site. I'd much rather there be a pattern so I could drive by, grab one of them, and figure out the rest based on the one. Thoughts? Quote Link to comment Share on other sites More sharing options...
tommym65 Posted September 21, 2013 Share Posted September 21, 2013 Unfortunately, you are in a Samsung market (so am I), and the "169" offset for LTE sector ID's doesn't work. Wirhout a phone or hotspot that gives you the LTE cell ID, it is very difficukt to identify LTE sites. Quote Link to comment Share on other sites More sharing options...
SWMich4G Posted September 21, 2013 Author Share Posted September 21, 2013 Unfortunately, you are in a Samsung market (so am I), and the "169" offset for LTE sector ID's doesn't work. Wirhout a phone or hotspot that gives you the LTE cell ID, it is very difficukt to identify LTE sites. But will there be a pattern? They can't just randomly assign them or they'll interfere, but I dunno if it's a complex assignment method that will seem arbitrary or if I collect enough of them I'll be able to extrapolate a pattern/algorithm. Is there any Samsung market that is well-documented? I just noticed there's some info on Columbus in the sponsor section, but there the PNs always appear to differ by 3. :/ Quote Link to comment Share on other sites More sharing options...
digiblur Posted September 21, 2013 Share Posted September 21, 2013 What offset are the basestation IDs? Quote Link to comment Share on other sites More sharing options...
shannonbrian Posted September 22, 2013 Share Posted September 22, 2013 I give my 2 cents but I only have nickel . Quote Link to comment Share on other sites More sharing options...
SWMich4G Posted September 22, 2013 Author Share Posted September 22, 2013 What offset are the basestation IDs? One. Most of them follow the same pattern when converted to HEX as your 1x800 towers but with a few not fitting. There are plenty of gaps but I'm still missing a lot of towers and I'm wondering if they'll change the ones that don't fit the pattern as well. Quote Link to comment Share on other sites More sharing options...
MrZorbatron Posted September 22, 2013 Share Posted September 22, 2013 Yeah the 169 thing doesn't apply here. The LTE sectors aren't sequentially numbered, but I can't find any pattern at all to them. We have a site nearby that has sectors 465, 20, and 414. The only thing I know must be maintained is that there cannot be two identically numbered sectors within radio range of each other. 1 Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.