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Thread: LTE (and 5G) knowledge sharing

  1. #61
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    Thanks guys


    Sent from my iPhone using HoFo

  2. #62
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    Given that the US 3.5 GHz CBRS spectrum (B48) overlaps with the Canadian 3.4-3.7 GHz FWA spectrum (B42/43), which is currently used for fixed wireless, do you see providers moving fixed wireless to other spectrum to take advantage of the upcoming devices that support B48? Or will it purely be for 5G (n77/n78)?

  3. #63
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    I don't see Canada moving to B48. I think operators here will keep B42/43 on LTE and migrate to n78 for NR.

  4. #64
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    Now that TELUS is the first carrier in Canada to launch LTE-M, what does this mean today for us consumers?

    https://mobilesyrup.com/2018/10/25/t...k-live-canada/

    Or is it like the article states, that it's up to developers to come up with uses now with the LTE-M starter kit that TELUS is selling?

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    TELUS: Unlimited Canada Talk & Text, 15+10 GB Data
    Koodo: Unlimited Canada Talk, World Text, 8+9 GB Data
    AT&T: Unlimited talk & text in and between the U.S., Canada, & Mexico, 8+17 GB data

  5. #65
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    No benefit to regular customers as of today. Only cat-M1 devices can use that network. And as far as I know, those devices and service plans are being sold to businesses initially, not regular customers.

    Either way, normal phones cannot use that network. It's more for IoT devices, like sensors and trackers.

  6. #66
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    10MHz wide 700MHz LTE in the Windsor/Amherstburg area?? This is Telus RAN territory. This is great if it’s true, but I didn’t think Bellus had 10MHz of contiguous B12/13/17 in Southern Ontario. An error with the map/ISED data?

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  7. #67
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    It's definitely a mistake. Bell owns C block and Telus owns C2 for the entire Southern Ontario service tier.

    700 MHz spectrum holdings are the same in Windsor and GTA.
    Want to learn more about how LTE works?
    https://productioncommunity.publicmo...ls/td-p/130581

  8. #68
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    Thought so. Thanks!


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  9. #69
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    I’m curious as to why Bell/TELUS use Huawei as a RAN vendor...

    Does Huawei equipment actually have higher performance than Ericsson/Alcatel-Lucent/Nokia equipment? I know Bell uses Nokia in Quebec and AT&T is swapping all their French legacy Alcatel-Lucent equiptment (which caused dropped calls in the UMTS days as the baseband wasn’t fast enough to prioritize the voice over the data as was explained to me by a engineer) with Nokia which has higher performance...

  10. #70
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    Huawei is usually very fast to market. Baseband performance is the best in my opinion, though Nokia (and Ericsson to a lesser extent) are catching up. Radios are excellent for Ericsson and Huawei. Nokia is very good too, though sometimes they have little quirks.

    Software wise, Huawei has been solid, Nokia had some issues after ALU integration, but they're stable again. Ericsson is also quite good.

    All 3 of the top vendors are great. Huawei's main advantage is they can lower prices more than the Europeans, and their support is really good. They will send an army of engineers to support if needed.

    I'm really not sure about Samsung. They're kind of a new player internationally, so I'd be more concerned with their RAN compared to Huawei. I also think ZTE is probably a cheaper clone of Huawei.

    Look how fast Bell/Telus/Sasktel were able to launch a national UMTS network from scratch, back in 2009. Most of that was Huawei RAN.

  11. #71
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    How many bands can a antenna transmit? The tower near my house just got upgraded to B2 20mhz, B4 15mhz, B5 5mhz, B7 20mhz, B7 20 MHz, B17 5mhz, so they added 2 B7 20mhz but I don't see need antennas.
    The tower has 5 sets of 3 antennas facing different angles.
    It's in 194 Ave SE and chaparral Dr SE in Calgary

    Not to mention UMTS 850 MHz and 1900 MHz

  12. #72
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    Wideband antennas with 10+ ports are quite common nowadays. Here's an example from Commscope:
    https://www.commscope.com/catalog/an...s.aspx?id=5011

    B2, B4, B5, B7, B12/17 could be served from this one antenna, assuming 2T2R.

  13. #73
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    that's awesome, it means the towers will kinda get prettier, less crowded.
    which ones does Bellus and Freedom use?

  14. #74
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    I'm not exactly sure. I think they would have multiple antenna models for different scenarios.

  15. #75
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    600 MHz auction will take place next month. What are your thoughts on how to use this spectrum?

    It can be used for LTE on B71. Or NR on n71.

    Most operators will get 5 or 10 MHz. In that scenario, keeping in mind that NR is only 10-15% more efficient than LTE, does it even make sense to launch NR on such a narrow channel?

    Would you rather see 5G sooner (2019), even if it means it'll be slower than LTE today? Or would you rather wait a few years for the real deal 5G with multi gigabit speeds?

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