Maya WileyMaya Wiley could torpedo LAA"Coverage is at signal strengths below -72 dBm and down to signals as low as -90 dBm," New York City Counsel Maya Wiley tells the FCC and standards groups. We (I'm a New Yorker) are demanding that Verizon's LTE in WiFi spectrum not interfere with New York's plan to connect everyone, starting with 7,500 free gigabit Kiosks. Verizon's LTE proposal - now a subject of controversy in 3GPP - specifies that LTE-U will choose an unused channel if available. This data raises the question of "What is an unused channel?" I infer that lowering the detection threshold will probably be necessary.

Technology is moving fast; rules are changing slowly unless the change has a powerful patron. New York's petition has implications worth exploring.Harold Feld has pointed to changes in wireless rules that improve performance without undue interference. His ideas seem sensible to me. I'm presenting here the NYC claims and will be asking experts for opinions in a follow-up article.

"LinkNYC will provide strong coverage at a minimum of 150 feet from a kiosk. The initial links are providing coverage up to 400 feet in some cases, including down side streets, which means many more people in many more parts of the city will be able to take advantage of the system's seamless handoff facility. That scale of consistent and abundant connectivity has the potential to drive enormous innovation for the city. Based on initial analysis, that additional coverage is at signal strengths below -72 dBm and as low as -90 dBm."  

LinkNYC articles

Any wireless technology deployed in a band that provides broadband access o millions must incorporate the basic protocols for fair sharing … We remain concerned about the lack of coexistence mechanisms for lower level Wi-Fi signals. …

Ensure that the specification fully protects such signals.  Such Wi-Fi signals are necessary to deliver solid broadband access to millions of the city's residents and visitors. …                                                                                                   

Sincerely, Maya Wiley, Counsel to the Mayor

New York City is credible enough I'm comfortable reporting their point of view, especially as I found numerous examples of successful connections at low ratios. I don't know enough to evaluate how low the level should go. I'm reaching out to all the parties for more technical details, as well as some senior experts. Better information needed  I went ahead with this article because the issue is pressing at the FCC and 3GPP.

dave ask

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The 3.3-4.2 spectrum should be shared, not exclusively used by one company, concludes an important U.S. Defense Innovation Board report. If more wireless broadband is important, sharing is of course right because shared networks can yield far more

It does work! Verizon's mmWave tests over a gigabit in the real world. 
The $669 OnePlus 7 Pro outclasses the best Apples and probably the new Galaxy 10 or Huawei P30 Pro. Optical zoom, three cameras, liquid cooling, Qualcomm 855 and more.
Korea at 400,000 5G May 15. Chinese "pre-commercial" signing customers, 60,000-120,000 base stations in 2019, million+ remarkable soon. 
5G phones Huawei Mate 20, Samsung Galaxy 10, ZTE Nubia, LG V50, and OPPO are all on sale at China Unicom. All cost US$1,000 to 1,500 before subsidy. Xiaomi promises US$600.
Natural monopoly? Vodafone & Telecom Italia to share 5G, invite all other companies to join.
Huawei predicts 5G phones for US$200 in 2021, $300 even earlier
NY Times says "5G is dangerous" is a Russian plot. Really.
Althiostar raised US$114 million for a virtual RAN system in the cloud. Rakuten, Japan's new #4, is using it and invested.
Ireland is proposing a US$3 billion subsidy for rural fibre that will be much too expensive. Politics.
Telefonica Brazil has 9M FTTH homes passed and will add 6M more within two years. Adjusted for population, that's more than the U.S. The CEO publicly urged other carriers to raise prices together.
CableLabs and Cisco have developed Low Latency XHaul (LLX) with 5-15 ms latency for 5G backhaul,  U.S. cable is soon to come in very strong in wireless. Details 
Korea Telecom won 100,000 5G customers in the first month. SK & LG added 150,000 more. KT has 37,500 cells. planning 90% of the country by yearend. 
The Chinese giants expect 60,000 to 90,000 5G cells by the end of 2019.
China Telecom's Yang Xin warns, "Real large-scale deployment of operators' edge computing may be after 2021." Customers are hard to find.
Reliance Jio registered 97.5% 4G availability across India in Open Signal testing. Best in world.

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Welcome On Oct 1, 2019 Verizon turned on the first $20B 5G mmWave network with extraordinary hopes. The actual early results have been dismal. Good engineers tell me that will change. Meanwhile, the hype is unreal. Time for reporting closer to the truth.

The estimates you hear about 5G costs are wildly exaggerated. Verizon is building the most advanced wireless network while reducing capex. Deutsche Telekom and Orange/France Telecom also confirm they won't raise capex.

Massive MIMO in either 4G or "5G" can increase capacity 3X to 7X, including putting 2.3 GHz to 4.2 GHz to use. Carrier Aggregation, 256 QAM, and other tools double and triple that. Verizon sees cost/bit dropping 40% per year.

Cisco & others see traffic growth slowing to 30%/year or less.  I infer overcapacity almost everywhere.  

Believe it or not, 80% of 5G (mid-band) for several years will be slower than good 4G, which is more developed.