LightSquared, feeling pressure after independent studies showed significant interference problems created by its wireless broadband network, suddenly announced a “solution” to the problem — one getting skeptical reviews from those critical of the project.

The would-be mobile broadband provider claims it will abandon a 10MHz band adjacent to that used by GPS, moving further down “the dial” in hopes of avoiding future interference problems.  Company officials hailed the move, claiming it solves the GPS interference problem except for certain high precision GPS receivers that could still suffer from the further distant LightSquared signals.

“This is a solution which ensures that tens of millions of GPS users won’t be affected by LightSquared’s launch,” said Sanjiv Ahuja, LightSquared chairman and CEO. “At the same time, this plan offers a clear path for LightSquared to move forward with the launch of a nationwide wireless network that will introduce world class broadband service to rural and underserved areas which still find themselves on the wrong side of the digital divide.’’

But LightSquared’s decision to remain in the same vicinity of low powered satellite signals has not impressed its critics.

Among the largest is Save Our GPS, a coalition of GPS users and manufacturers who fear LightSquared could ruin GPS service for millions of Americans.

“This latest gambit by LightSquared borders on the bizarre,” said Jim Kirkland, vice president and general counsel of Trimble, a founding member of the Coalition. “Last week LightSquared unilaterally delayed filing of the study report that culminated months of intensive work to evaluate interference to GPS, because they purportedly needed two more weeks to analyze the results. LightSquared’s supposed solution is nothing but a ‘Hail Mary’ move.  Confining its operation to the lower MSS band still interferes with many critical GPS receivers in addition to the precision receivers that even LightSquared concedes will be affected.”

Kirkland said it’s time for LightSquared to find an entirely different set of frequencies for its service, well away from GPS.

As LightSquared’s challenges continue, the one potential bright spot may be its agreement with Sprint Nextel allowing Sprint to resell LightSquared’s 4G network.  The agreement includes sharing upgrade and equipment expenses, but could be extended to include spectrum resources owned or controlled by Sprint.

The Rochester, Minn. Amateur Radio Club spent months documenting potential interference from another problem technology: Broadband Over Power Lines.

Back in 2004, the Federal Communications Commission was looking for ways to expand broadband competition.  Borrowing from a mild success story in Europe, the Washington regulator, with the help of a well-financed lobbying campaign, approved new technology that would deliver broadband service over power lines, known as BPL.  The promises were great — fast access over an extensive, already-wired network that reached virtually every home in the country.  Glossy brochures promising a new generation of broadband and new competition were sent to every member of Congress.  Dollar-a-holler groups like the New Millennium Research Council produced “research reports” claiming the technology would advent a broadband revolution.  Some investors used to sleepy returns from utility companies dreamed about the promise of a rich new revenue stream pitching broadband service.

But there was a slight problem.  The technology worked better on paper than it did in real life.  Even more importantly, it carried more baggage than USAir.  Delivering wideband broadband signals over unshielded power cables never designed to carry radio frequencies meant interference — a lot of it, to any radio band the broadband signal occupied.  That meant a horrible listening experience on AM, and practically no listening at all over the shortwave bands, designated for military communications, international broadcasters, and the amateur radio community.

The FCC approved and supported the technology anyway, promising filters and other mitigation for those impacted by interference — a notion scoffed at by the American Radio Relay League, a group representing amateur radio operators.

So why don’t we have that third choice for broadband today?  BPL technology buried itself as its woeful performance could never match the high-flying marketing promises found in the brochure.

Fast forward to 2011 and manufacturers of satellite navigation devices, popularly known as GPS units, are terrified America is about to embark on another dreadful mistake.

LightSquared, a new entrant in the telecommunications marketplace, is constructing a nationwide 4G wireless broadband network with traditional ground-based antenna towers supplemented with a satellite system providing coverage in rural areas.  The company’s new network will occupy a frequency band just adjacent to that used by global positioning satellites, the backbone of the GPS system that some LightSquared critics contend will be crippled if the company’s 4G network is ever switched on.

[flv width=”640″ height=”388″]http://www.phillipdampier.com/video/LightSquared Intro.flv[/flv]

LightSquared released this promotional video talking up their future network.  (2 minutes)

Early interference tests conducted by a federal working group show those critics may be right.  Because satellite signals are so weak, manufacturers like Tom-Tom and Garmin must create highly sensitive GPS receivers to handle the faint signals.  Because these units are not always selective enough to reject adjacent signal interference, a neighboring transmitter delivering a much more powerful signal — such as that from LightSquared — could overwhelm them.

Independent testing found serious interference problems even for professional grade GPS units used by civil aviation, ships, and emergency responders.  A sampling:

• GM’s OnStar system received significant interference, making it difficult to identify the location of crashed vehicles and disrupting turn-by-turn directions and other navigation services;
• In recent tests in New Mexico, LightSquared caused GPS receivers used by nearby police, fire and ambulance crews to lose reception;
• John Deere’s agricultural equipment incorporating GPS technology failed to receive signals during the LightSquared testing;
• Both the Coast Guard and NASA reported significant interference to their GPS receivers;
• The Federal Aviation Administration reports their GPS receivers completely failed while the tests were conducted.

The red box identifies the spectrum assigned to LightSquared. Its immediate neighbors are faint signals from communications satellites. (click to enlarge)

With complaints like that coming after a small-scale test, the thought of 40,000 ground-based LightSquared towers obliterating the nation’s access to GPS is more than just a little concerning to users and manufacturers.

“LightSquared’s network could cause devastating interference to all different kinds of GPS receivers,” Jim Kirkland, vice president and general counsel of Trimble Navigation Ltd., told the Washington Post.  Trimble manufactures GPS devices.

The Radio Technical Commission for Aeronautics advised the FAA its own independent tests of the LightSquared system found the consequences of turning this 4G wireless service on would be cataclysmic for GPS signals, making most satellite navigation equipment completely useless in most major metropolitan areas.

LightSquared executive vice president Jeffrey Carlisle told the Post he remained confident that the two systems could co-exist, even admitting he expected to find interference issues.  Carlisle says the real question is how to mitigate it.

This is not the first time interference issues have come before the FCC.  Nearby spectrum neighbors often don’t get along, especially when one licensed user relies on weak signals from space and the other utilizes more powerful ground-based transmitters.  The Commission has even fielded complaints over garage door openers interfering with certain military radios.

LightSquared’s network concept isn’t by itself the problem.  XM Radio manages to operate its mix of satellite-delivered radio and 900 ground-based repeater transmitters without creating interference for other users.

Deere Companies produced this diagram showing a comparison of the respective power levels of LightSquared signals vs. satellite navigation signals.

Unfortunately for LightSquared, it has several problems to contend with, the most significant being its “zoning problem.”  The souped-up 4G network is simply not in character for the spectrum neighborhood it calls home.  It’s a McMansion being built in a neighborhood of cottages.  LightSquared’s neighbors are low powered satellite signals in the 1-2Ghz range, including those from the satellites which provide GPS.  In certain cases, receiver equipment can be designed to reject the adjacent interference a network like LightSquared could create, but with millions of existing GPS units already in use, that may prove impractical.

LightSquared has tried to rope off its channel space as much as possible, trading spectrum with other nearby users to create a nearly contiguous 20Mhz slice it can dedicate to its signals, in hopes of reducing interference.  But the recent tests suggest this may not be enough.  General Motors suggested LightSquared needs to find a better neighborhood — one more suited to the kind of signal it wants to offer.  That could come from a spectrum trade or a frequency reallocation by the FCC.

The FCC is taking a “wait and see” approach so far, claiming further tests are needed.  But the agency earlier pledged it would not allow LightSquared to operate its network if it created major interference problems for other spectrum users.  Some GPS manufacturers think that commitment is too vague, because “major interference” is in the eye of the beholder.

Those concerns may be warranted, considering the FCC earlier found its way clear to ignore the documented interference Broadband Over Power Lines created over both the AM and shortwave radio dial.  Even after a blizzard of lobbying and campaign contributions won support for BPL in Washington, the ultimately inferior product that resulted couldn’t win the support of the group that ultimately mattered most — paying customers.

[flv width=”640″ height=”500″]http://www.phillipdampier.com/video/Bloomberg Ahuja Says LightSquared to Finish 4G Network Before 2016 6-11-11.flv[/flv]

Sanjiv Ahuja, chief executive officer of LightSquared, talks about the company’s efforts to build a wireless broadband network as other spectrum users challenge the company’s potential to create interference.  (7 minutes)

The U.S. Cattlemen’s Association this week took some time out to go all out for AT&T’s proposed merger with T-Mobile.  In addition to successfully navigating the FCC’s arcane comment filing system to submit their comments in favor of the merger, the group also penned a lengthy, favorable guest blog for Washington, D.C. inside-the-beltway-favorite, The Hill newspaper:

The expansion of next-generation wireless broadband envisioned by the T-Mobile and AT&T merger, for example, is critical for the next stage of rural America’s evolution and success. It will allow ranchers, farmers, and all rural residents who have been traditionally underserved to finally gain access to the best that mobile broadband has to offer, including faster and more reliable connections. We strongly encourage the Federal Communications Commission to support these developments as an investment in both the current and future generations of agricultural producers and small communities across rural America.

The cattlemen’s group has had a lot to say about telecommunications issues, especially mergers and acquisitions.  It was cited by Verizon as a supporter of its merger with Alltel in 2008, signed a joint letter in 2008 from industry-connected Connected Nation for a broadband plan compatible with the interests of the nation’s largest cable and phone companies, wrote a letter to the FCC opposing Net Neutrality in 2009, and submitted two pages of comments in May favoring the merger between AT&T and T-Mobile.

Apparently there is plenty of free time on the ranch to ponder billion dollar telecommunications mergers.

The argument from the group is that permitting mergers and blocking open net policies like Net Neutrality will convince carriers to provide enhanced service in rural areas where cattle ranches predominate.  But facts in evidence illustrate how wrong-headed that argument is:

• Verizon’s merger with Alltel has done nothing to bring its LTE network to rural America.  Verizon is focusing LTE upgrades on the markets where it makes the most business sense, and that does not include rural Texas or Oklahoma;
• The National Broadband Plan has directed stimulus funding for rural projects that are most likely to reach their ranch members — wireless ISPs and rural DSL.  The cattlemen’s group has nothing to say about either provider;
• Net Neutrality and the policies of an open and free Internet have no real impact on rural broadband deployment.  The same companies refusing to provide service yesterday are still refusing to provide service today, and that includes completely exempted wireless providers;
• T-Mobile’s urban-suburban focus is a mainstay of its business plan.  T-Mobile has never prioritized rural America as a viable service area, relying on roaming agreements to fill in service gaps.  Combining its urban-focused wireless infrastructure with AT&T will add nothing to the rural wireless experience.

The Washington Post finds financial connections between AT&T and the cattlemen group.

Advocating for a merger with T-Mobile makes about as much sense as the group advocating for a T-Mobile merger with Leap Wireless’ Cricket or MetroPCS.  All have a record of indifference about providing service in rural areas themselves.

So why does the group persist in fronting for AT&T’s public policy agenda?  Cecilia Kang at the Washington Post tweeted the obvious answer — they receive support from AT&T.

The piece for The Hill was penned by Jess Peterson, the cattlemen group’s executive vice president.  But Peterson has a second career: president of Washington, D.C.-based Western Skies Strategies, a lobbying firm that promises “success and profitability to our valued clients every time.”

The concept of dollar-a-holler public advocacy is not new, but AT&T is the Master of the Astroturf Universe.  The Center for Responsive Politics notes that from 1989 to 2010, no single company spent more on campaign contributions than AT&T.  Since 2008, more than $1.25 million has been “donated” to politically-connected charities and those willing to lend their name and reputation to back the company’s public policy agenda.

Facts have a hard time penetrating piles of cash, but here are some anyway:

1. T-Mobile’s combination with AT&T may create additional capacity for the combined company, but almost entirely in urban and suburban areas that will do nothing to help rural wireless.
2. No telecommunications company has a track record of providing service in areas unprofitable to serve or fail return on investment demands.  No merger will change that.
3. Promises for network upgrades already committed in long-range business plans do not sweeten a bitter deal for Americans concerned about competition in the wireless marketplace.
4. T-Mobile’s track record as being the most market-disruptive in pricing and innovation will be eliminated in a merger with America’s lowest rated wireless carrier.
5. Any excitement for rural wireless broadband from AT&T is tempered when would-be customers realize the company enforces a 2GB usage cap with an overlimit fee on their smartphone data plans — an Internet Overcharging scheme more punishing than either Verizon or Sprint.

In a desperate bid to inflate subscriber numbers, dealer commissions, and attract additional investors, some Clearwire retailers slashed credit standards resulting in widespread approval of customers who would later skip out on paying the bill.  At least one dealer offered to override any failed credit check for even the most credit risky customers, according to a Bloomberg News investigation.

Those charges, made by three former dealers and distributors, bring additional controversy to a wireless venture already facing lawsuits for false advertising and misleading business practices.

From late 2009 until earlier this year, Clearwire dealers were strongly encouraged to sign up new customers for its wireless services, which include a home broadband replacement offering “unlimited wireless broadband” to customers.  In many markets, scores of would-be customers in urban and poor areas failed the company’s credit checks.  One former salesman told Bloomberg as many as 60 percent of his would-be customers couldn’t pass the credit check without a manual override, often done with a copy of a driver’s license and evidence of residence in the area, such as two consecutive utility bills.

Millions of new Clearwire customers were signed up for service during 2010, with dealers and salesmen earning significant sign-up commissions and parent company Clear winning favorable media coverage for its high subscriber growth, used to attract new investment.

One distributor called the lax credit standards “a time bomb,” one that began going off as customers reneged on their contracts, didn’t bother to pay the bills, or simply canceled service while ignoring collection efforts.  But the credit standards remained surprisingly loose for an industry that routinely profiles potential customers before signing them up to service.

By mid-2010, Clearwire dealers were no longer even required to pull a hard credit report with a Social Security number.  Scores of immigrants, many without documentation, could now sign up for Clearwire service showing proof they had managed to make at least one rent payment on time.  Even customers with no credit experience were signed up for service, some who paid exclusively in cash.

One Texas dealer reported as many as 80 percent of his customers were approved with credit overrides.

Much of Clear’s dealer network is independently owned and operated, especially now that the company faces financial challenges.  The company provides dealers with strong financial incentives, including bonuses, for new customer signups.  Several former salespeople report distributors and dealers routinely pressured salespeople to sign up new customers at all costs.

“I always hear from reps ‘I’m not selling because no one can pass credit checks’,” one manager wrote. “The time has come for you to call BS and on your reps (and yourself if needed!) and for the credit excuse to END now! I will personally enter in the credit overrides under your dealer code.”

“PS, you can thank me later for DOUBLING YOUR COMMISSIONS!” the e-mail dated March 2010 read.

Some customers even managed to skip out paying on one Clearwire account while establishing another.  The runaway growth propelled network traffic for Clearwire, leading the company to implement “fair use” policies that restricted the use of the service, despite being pitched as “unlimited.”  In addition to customers who simply refused to pay their bills, some creditworthy customers signing up for service were gone within weeks after finding the service unusable.

Bloomberg notes Clear’s own numbers suggest the company had 688,000 customers at the end of 2009.  As of the end of the first quarter of 2011, that number is now 6.15 million.  But Clear’s numbers show the churn rate — customers coming and going — is high for the wireless industry at 3 percent or higher for the past seven quarters.  Verizon Wireless, in contrast, has a churn rate of 1.33 percent.

A high churn rate is a major problem because it requires Clear to spend more in marketing and sign up promotions to entice a steady supply of new customers replacing those who have left or been shut off.

Most providers who find a would-be customer saddled with sub-prime credit scores ask for a substantial deposit for service, or encourage a prepaid calling plan instead.  But Clear shows no indications of moving in either direction.

The company has managed to protect itself from financial losses from the customer merry-go-round, often at the expense of dealers who over-enthusiastically signed up deadbeat customers.  If a customer leaves or is shut off within the first six months, the dealer commission is forfeited back to Clear.

For some, this has meant the end of their business.  One dealer lost more than $500,000 in “chargebacks,” while others owe tens of thousands in repayments to Clear.

Clear’s business depends on more than just its own Clearwire customers.  Several cable companies, including Time Warner Cable and Comcast, resell Clearwire service under their respective brand names.  So does Best Buy.

A research report sponsored by the National Cable & Telecommunications Association, the nation’s largest cable lobbying group, has concluded that millions of broadband stimulus dollars are being wasted by the government on broadband projects that will ultimately serve people who supposedly already enjoy a panoply of broadband choice.

Navigant Economics, a “research group” that produces reports for its paying clients inside industry, government, and law firms, produced this one at the behest of a cable industry concerned that broadband stimulus funding will build competing broadband providers that could force better service and lower prices for consumers.

• More than 85 percent of households in the three project areas are already passed by existing cable broadband, DSL, and/or fixed wireless broadband providers. In one of the project areas, more than 98 percent of households are already passed by at least one of these modalities.

• In part because a large proportion of project funds are being used to provide duplicative service, the cost per incremental (unserved) household passed is extremely high. When existing mobile wireless broadband coverage is taken into account, the $231.7 million in RUS funding across the three projects will provide service to just 452 households that currently lack broadband service.

Navigant’s report tries to prove its contention by analyzing three broadband projects that seek funding from the federal government.  Northeastern Minnesota, northwestern Kansas, and southwestern Montana were selected for Navigant’s analysis, and unsurprisingly the researcher found the broadband unavailability problem overblown.

The evidence demonstrates that broadband service is already widely available in each of the three proposed service areas. Thus, a large proportion of each award goes to subsidize broadband deployment to households and regions where it is already available, and the taxpayer cost per unserved household is significantly higher than the taxpayer cost per household passed.

The cable industry funds research reports that oppose fiber broadband stimulus projects.

But Navigant’s findings take liberties with what defines appropriate broadband service in the 21st century.

First, Navigant argues that wireless mobile broadband is suitable to meet the definition of broadband service, despite the fact most rural areas face 3G broadband speeds that, in real terms, are below the current definition of “broadband” (a stable 768kbps or better — although the FCC supports redefining broadband to speeds at or above 3-4Mbps).  As any 3G user knows, cell site congestion, signal quality, and environmental factors can quickly reduce 3G speeds to less than 500kbps.  When was the last time your 3G wireless provider delivered 768kbps or better on a consistent basis?

Navigant also ignores the ongoing march by providers to establish tiny usage caps for wireless broadband.  With most declaring anything greater than 5GB “abusive use,” and some limiting use to less than half that amount, a real question can be raised about whether mobile broadband, even at future 4G speeds, can provide a suitable home broadband replacement.

Second, Navigant’s list of available providers assumes facts not necessarily in evidence.  For example, in Lake County, Minnesota, Navigant assumes DSL availability based on a formula that assumes the service will be available anywhere within a certain radius of the phone company’s central office.  But as our own readers have testified, companies like Qwest, Frontier, and AT&T do not necessarily provide DSL in every central office or within the radius Navigant assumes it should be available.  One Stop the Cap! reader in the area has fought Frontier Communications for more than a year to obtain DSL service, and he lives blocks from the local central office.  It is simply not available in his neighborhood.  AT&T customers have encountered similar problems because the company has deemed parts of its service area unprofitable to provide saturation DSL service.  While some multi-dwelling units can obtain 3Mbps DSL, individual homes nearby cannot.

Navigant never visited the impacted communities to inquire whether service was actually available.  Instead, it relied on this definition to assume availability:

DSL boundaries were estimated as follows: Based on the location of the dominant central office of each wirecenter, a 12,000 foot radius was generated. This radius was then truncated as necessary to encompass only the servicing wirecenter. The assumption that DSL is capable of serving areas within 12,000 is based on analysis conducted by the Omnibus Broadband Initiative for the National Broadband Plan.

Frontier advertises up to 10Mbps DSL in our neighborhood, but in reality can actually only offer speeds of 3.1Mbps in a suburb less than one mile from the Rochester, N.Y. city line.  In more rural areas, customers are lucky to get service at all.

Cable broadband boundaries were estimated based on information obtained from an industry factbook, which gathered provider-supplied general coverage information and extrapolated availability from that.  But, as we’ve reported on numerous occasions, provider-supplied coverage data has proven suspect.  We’ve found repeated instances when advertised service proved unavailable, especially in rural areas where individual homes do not meet the minimum density required to provide service.

We’ve argued repeatedly for independent broadband mapping that relies on actual on-the-ground data, if only to end the kind of generalizations legislators rely on regarding broadband service.  But if the cable industry can argue away the broadband problem with empty claims service is available even in places where it is not (or woefully inadequate), relying on voluntary data serves the industry well, even if it shortchanges rural consumers who are told they have broadband choices that do not actually exist.

Navigant’s report seeks to apply the brakes to broadband improvement programs that can deliver consistent coverage and 21st century broadband speeds that other carriers simply don’t provide or don’t offer throughout the proposed service areas.  The cable industry doesn’t welcome the competition, especially in areas stuck with lesser-quality service from low-rated providers.