WSJ: U.S. Wi-fi Carriers Are Successful 5G Prospects for the Flawed Motive

That leaves 5G itself as an unsure promoting level—however one with some large payments connected. The main carriers bid up a complete of round $95 billion earlier this yr for wi-fi spectrum licenses auctioned off by the Federal Communications Fee, and Walter Piecyk of Lightshed Companions estimates {that a} new public sale of three.45 GHz spectrum that kicked off earlier this month will draw complete bids of round $30 billion.

These excessive bills, coupled with doubts over the buyer enchantment of the expertise, have helped make AT&T, Verizon and T-Cell a few of the worst-performing large-cap shares within the S&P 500 this yr. All three fell Thursday even after AT&T’s sturdy report, they usually have averaged a decline of 11% up to now this yr in contrast with a 21% rise for the principle index. This 5G name continues to be not clear.

Verizon 5G commercial in New York. PHOTO: John Nacion of ZUMA PRESS 

(Within the editor’s opinion, it ought to state “5G constructed WRONG”)

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Editor’s Opinion:

We’ve typically referred to 5G as “the best tech prepare wreck of all time.”  That’s as a result of the expertise (because it now exists) has over promised and underneath delivered.  The main issues for 5G are the next:

  1. No ITU suggestions/normal/tips or 3GPP implementation specs for 5G SA Core community. That results in many alternative provider implementations, prevents roaming and interoperability.  Certainly, <5% of 5G deployed networks are 5G SA.  But ALL the 5G options and advantages, (e.g. community slicing, automation, MEC, enhanced safety, and so on) rely upon 5G SA core community which separates the info and management planes.
  2. URLLC (extremely excessive reliability, extremely low latency) as specified by ITU-R M.2150 (beforehand generally known as IMT 2020.specs) and 3GPP launch 15 (URLLC continues to be not full in 3GPP launch 16) don’t meet the minimal efficiency necessities as laid out in ITU-R M.2410 +.
  3. No normal for terrestrial frequencies or frequency preparations, specifically the three units of mmWave frequencies authorized on the WRC 19 convention.  Additionally, regulatory companies just like the FCC plan to license mmWave frequencies NOT authorized by WRC 19 (e.g. 12 GHz).  That defeats the objective of world frequency harmonization/roaming.
  4.  Few demonstrated use circumstances apart from Fastened Wi-fi Entry (FWA) and big machine to machine communication/Web of Issues (however even right here URLLC (particularly extremely excessive reliability) is required.

+ Minimal URLLC necessities:

  • Latency:   <=1ms latency within the knowledge aircraft and <=10ms latency within the management aircraft.
  • Reliability:  The minimal requirement for the reliability is 1-10−5 success likelihood of transmitting a layer 2 PDU (protocol knowledge unit) of 32 bytes inside 1 ms in channel high quality of protection edge for the City Macro-URLLC check setting, assuming small utility knowledge (e.g. 20 bytes utility knowledge + protocol overhead). Proponents are inspired to think about bigger packet sizes, e.g. layer 2 PDU dimension of as much as 100 bytes.

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References:

https://www.wsj.com/articles/wireless-carriers-are-winning-5g-customers-for-the-wrong-reason-11634837502

Morgan Stanley finds little interest in 5G; Finland’s Oulu says 5G won’t mature till 2027

Morgan Stanley finds little interest in 5G; Finland’s Oulu says 5G won’t mature till 2027

AT&T earnings, mobility and consumer broadband grow; stiff competition lies ahead

https://www.itu.int/dms_pub/itu-r/opb/rep/R-REP-M.2410-2017-PDF-E.pdf

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