US SpectrumPaul Milgrom's auction design keeps everyone guessing. Anyone who tells you she is sure of the outcome doesn't know very much. I was so wrong the last time I'm not even trying this time. Wall Streeters I respect, including Craig Moffett and John Hodulik,  believe the phone companies + Comcast will find it very hard to bid more than $30B-$40B.

That will let them split about 70 MHz except in a few big cities if no one plays the spoiler. AT&T 4G customers run in 20 MHz. That would be a good outcome for the carriers. The last auction had prices about three times as high, presumably because Charlie Ergen made an attempt to corner the market.

AT&T has 40 MHz of completely empty spectrum ready to put to work, enough to create a Verizon-sized network. Verizon CFO Fran Shammo said Verizon bid so high last time they could have built the same capacity for a third of what they spent.

Knowing who the other bidders are in a particular part of a complex auction enables developing a strategy that may bring down the total proceeds. Therefore, an auction designer often tries to maintain some mystery about who's who and what's what. Several have said this two-way auction is the most complex ever designed. Some call it fiendish.

Tim Farrar, an extraordinarily perceptive observer, warns about unknowns, then goes on to say:

"Comcast may well emerge from the auction with a significant national footprint of roughly 20MHz of spectrum, potentially spending $7B-$10B. In addition, unless the forward auction drops to only 70MHz being sold, all four national bidders could largely achieve their goals, spending fairly similar amounts except in New York and Los Angeles, where one or two of these players are likely to miss out. UPDATE (8/30): Bidding levels in New York and Los Angeles dropped dramatically in Round 25 (to 10 and 8 blocks respectively), with total bidding units placed (2.096M) now below the supply of licenses (2.177M) in Stage 1. This very likely means that DISH has given up. [Convergence] probably not achieved until the $30B-$35B range … with only 70MHz being sold in the forward auction at the end of the day."

In other words, nothing much changes.

dave ask

Newsfeed

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.