Wave Systems Corp. (fka WAVXQ)

[goin fishn]

What an emerging paradigm looks like

Wave has been compared with Qualcomm. The following is a blog by a former Qualcomm engineer in which he describes the chaos of trying to achieve the widescale adoption of CDMA technology for cell phones. It is interesting to compare this story with what we know of Wave's current position. I think Wave is in a stronger position than CDMA was at a comparable time....

(******* means snippage-I cut some of the more detailed technical explanations-go to the link for them)



http://denbeste.nu/cd_log_entries/2002/10/GSM3G.shtml

Steven Den Beste(2002).

As I think many of my readers know, I used to work for Qualcomm designing cell phones. Qualcomm is the company which invented CDMA, and made it practical, and made it into a market success, and it now dominates the American market, where Verizon and Sprint both use it. There are two other nationwide cellular systems: AT&T currently uses IS-136 TDMA, which is obsolete and has no upgrade path. Cingular uses GSM, a more sophisticated form of TDMA from Europe.
And right now I'm basking in the evil glow of a major case of schadenfreude.

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In Europe, various governments decided that they (the Europeans) had designed the ultimate digital cellular system, and they passed laws making it illegal to deploy anything except GSM, whose primary supporters/suppliers were Nokia, Ericsson, Siemens and Alcatel.
Meanwhile, the FCC decided that it would not mandate any industry standard. It granted licenses for spectrum but permitted the licensee to choose whatever equipment and standard it wanted. (Within limits. There were certain certification standards required by the FCC to guarantee safety and to avoid interference between neighboring systems.)
And all through the 90's, me and everyone else in the US cell phone industry put up with constant ragging from Europeans about the evident virtues of GSM and the equally evident virtues of a government mandated standard. While in the US you had what seemed at the time to be utter chaos, with a huge number of small companies using a bewildering array of different standards, in Europe anyone could carry their phone almost anywhere in the continent, and if they couldn't use it they could move their personality module into a local phone and use that.
Of course, that apparent chaos in the US was only a temporary phenomenon, and I think maybe the FCC and the rest of the government knew it would be. There's always shakeout, but in the meantime this kind of government policy of keeping hands off meant that the industry was given broad ability to experiment. And within that environment, early in the 1990's, the founders of my former employer Qualcomm began to work on a radically different way to handle cell phones called Code Division Multiple Access, or CDMA. It's radical in many, many ways but by far the most obvious is that all the phones in the system and all the cells in the system operate simultaneously on the same carrier frequency. They don't "take turns" because they don't need to.

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In fact, CDMA was so revolutionary that when it was first discussed, many thought it couldn't be made to work. Indeed, at least one European company deeply involved with GSM, Ericsson, went through the three classic stages of Not Invented Here syndrome:
1. It's impossible.
2. It's infeasible.
3. Actually, we thought of it first.

When I worked for Qualcomm, I had to soft pedal this. Now I'm no longer associated with the company, and I can vent about those idiots. At first, the most vocal top brains at Ericsson tried to claim that CDMA violated information theory.

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Unfortunately, Qualcomm did a field test in New York City where several prototype phones mounted in vans were able to operate at once on the same frequency talking to multiple cells all of which also operated on the same frequency.
The next argument was that though it seemed technically possible, it would be too expensive. Everyone knew that the electronics required to make CDMA work was a lot more complicated than what TDMA used, and Ericsson's loud voices claimed that it could never be reduced in price enough to make it competitive. And shortly thereafter Qualcomm proved that wrong, too, by beginning to produce both infrastructure and phones at very competitive prices. (Qualcomm did this to bootstrap the industry. It's no longer in either business.)
After which Ericsson suddenly decided that it had applicable patents and took Qualcomm to court. Over the long drawn out process of litigation, every single preliminary court judgment went in favor of Qualcomm, and it became obvious that Ericsson didn't have a case and that Qualcomm wasn't going to be intimidated. Ultimately, the entire case was settled in a massive omnibus agreement where Ericsson became the last of the large companies in the industry to license Qualcomm's patents (on the same royalty terms as everyone else) while taking a large money-losing division off Qualcomm's hands and assuming all the liabilities associated with it, and granting Qualcomm a full license for GSM technology. The industry consensus was that this represented a fullscale surrender by Ericsson.
Nokia wasn't anything like as foolish and had licensed several years before. (Just in passing, the fools at Ericsson are in the front office. Their engineers are as good as anyone else's.)
Still, in the years of apparent chaos in the US, when loud voices in Europe proclaimed the clear advantage of a single continental standard, order began to appear out of the chaos here. Small companies using the same standards set up roaming agreements, and then started merging into larger companies, which merged into yet larger ones. One company (Sprint) started from scratch to build nationwide coverage. Bell Atlantic Mobile acquired GTE Mobile (who had been a joint partner in PrimeCo), and eventually merged with Airtouch to form Verizon, all of which was based on IS-95 CDMA, mostly on 800 MHz. Sprint eventually implemented a reasonable nationwide system also based on CDMA. The last major nationwide system to form was Cingular, after the various GSM carriers in the US realized they were in big trouble competing against Verizon and Sprint and AT&T (which uses IS-136).
Once the existence and commercial feasibility of CDMA were established beyond doubt, other aspects of it began to become clear. At the RF layer, CDMA was obviously drastically superior to any kind of TDMA. For one thing, in any cellular system which had three or more cells, CDMA could carry far more traffic within a given allocation of spectrum than any form of TDMA. (Depending on the physical circumstances, it's usually three times as much but it can be as much as five times.) For another, CDMA was designed from the very beginning to dynamically allocate spectrum.
In TDMA, a given phone in a given voice call is allocated a certain fixed amount of bandwidth whether it needs it or not. In IS-136 that's a bit less than 10 KHz, in GSM it's somewhat less than 25 KHz. (Going each direction; the total is twice that.) But humans don't use bandwidth that way; when you're talking, I'm mostly listening. So your 25 KHz channel to me is carrying your voice, and my 25 KHz channel to you is carrying the sound of me listening to you silently.

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And for the reasons given above, and several others, it was equally clear that it had to use a CDMA air interface. GSM was the very best propeller-driven fighter money could buy, but CDMA was a jet engine, and ultimately TDMA could not compete. The fundamental weakness of TDMA at the RF layer could not be compensated for at any layer higher than that, no matter how well designed it was. GSM/TDMA was a dead end, and to create 3G, Europe's electronics companies were going to have to swallow their pride and admit that Qualcomm had been right all along.

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I confess to a deep feeling of satisfaction about this on a personal level, primarily because of all the horseshit I put up with from GSM fans over the years when they talked about how superior the European approach to this was.
The thing is that if the US had followed the same policy, CDMA would never have been given the chance to prove itself. We now have just as good of nationwide systems and just as much portability as the Europeans do, only our system is fundamentally better. GSM has many features which are marvelous, but they can eventually be grafted onto IS-95 and CDMA2K, because they're all implemented at high protocol levels or don't have anything to do with the RF link. IS-95 and CDMA2K have many cool features, too, but it isn't possible to implement them on a TDMA air interface, so the only way that GSM can have those features is to toss TDMA and switch, which is what they're now trying to do.
So I'm sitting here basking in the warm glow of schadenfreude because nemesis has caught up with European hubris in the cell phone industry.
But there's more to this, because in the microscopic this turns out to be a morality tale which more broadly shows the difference in approaches to most things between the Europeans and the Americans, and I think demonstrates quite clearly why our way is more successful.
Though the adoption of a continent-wide standard for Europe in the 1990's did have certain benefits, it also had some hidden prices. It gave them compatibility, but it was also protectionism, and as is always the case with industries shielded by protectionism, the European cell phone companies became arrogant and complacent, and as a result they fell badly behind. Now they're trying to catch up, and it isn't turning out to be easy. They licensed Qualcomm's patents, but what they're now discovering is that Qualcomm didn't patent everything it knows about making CDMA work, and that it's a really difficult problem. (Damned straight it is. We know a hell of a lot we're not telling. It's pretty straightforward to make it work badly and unreliably, using a lot of battery power. Making it work well on low power is damned tough, and that knowledge is not for sale.)
Part of their problem is that they're trying to run before they've learned to walk. Qualcomm and its partners are moving to CDMA2K after many years of working with IS-95, but the GSM coalition is jumping straight into WCDMA cold.
Like all protected industries, the GSM companies didn't make the investment they should have early enough. Part of why they're way behind is that they started late, and much of that was because of ego, because they didn't want to admit that Qualcomm had been right (or to pay Qualcomm royalties). So they lost two full years in lawsuits and negotiations with Qualcomm before the real design process could begin. And then they discovered that the problem was harder than it looked. As it now stands, it's going to be an interesting question to see whether they can ever get it to work (especially to get interoperability), and more importantly, even if they do to see whether they will be too late and will have missed the market window. I think they will make it work, but I think it will be too late.
Here are some of the lessons I see in this.
First, Europe pulled this decision up to as high a level as it could. When the legal mandate to use GSM was passed, the EU didn't yet exist. Individual nations each passed such laws based on a consensus. In the US, that decision was pushed down as far as possible, and the superiority of CDMA over any TDMA-based system was decided by millions of cell phone users who voted with their wallets.
Second, Europe tried to stop the clock. It decided that it had the final answer with GSM and that no further experimentation was necessary because no further improvement was possible. In the US, the government kept its hands off, and in fact if another newer system comes along which is superior to CDMA, it will have the same opportunity commercially that CDMA had. (Not quite; the market has evolved and we're into the "standardization and shakeout" phase now. But there won't be any government mandate preventing it.)
Europe emphasized cooperation over competition, consensus and agreement over "let's try it and see what happens". It was viewed as important that there be compatibility over the whole continent, and to achieve that they outlawed competition. In the US, we valued competition, and ironically we not only ended up with compatibility over the whole continent but got that compatibility with a superior system which emerged out of competition.
Despite claims to the contrary, Europe passed those laws in part precisely because the standard which was being protected was European and most of the equipment which would be used was homegrown. Part of why those laws were passed was to lock out the US. (Some American companies made GSM equipment, but they never had much market share in Europe.) In the US, everyone was free to compete, and for quite a while the largest seller of handsets here was Nokia. GSM was deployed here and attempted to compete against CDMA on a level playing field, and got handed its ass.
GSM fans will point out that GSM is more broadly deployed elsewhere in the world than IS-95. They'll be careful not to point out the extent to which bribery played a role in that. (Things like "If you choose GSM over CDMA, we'll build a factory there" which is how GSM mostly won in Brazil.)
But that kind of thing is ultimately self-defeating, and TDMA/GSM isn't going to be competitive against CDMA2K, and the Europeans can't make WCDMA work reliably. And as a result of that, a lot of the cellular telecom companies in Europe are in deep financial trouble, not to mention facing legal deadlines for deployment of 3G which cannot possibly be met. MobilCom in Germany is near death, for example, and just announced that it would lay off 40% of its staff. Apparently it would already be dead were it not for a €400 million loan from the German government, which has angered the EU. And because the telecom companies in Europe are all so heavily cross invested, this is a cascading problem. Part of why Mobilcom is in trouble is because France Telecom SA is in trouble and had to renege on an investment commitment. You're eventually going to see a chain-reaction sequence of commercial failures as the money runs out, or more likely you'll see huge government subsidies.
Both these articles say that CDMA2K is "controlled by Qualcomm". That's true and not true. There's an industry standards body, and Qualcomm is probably the most important and influential member of it. It's also true that most of the CDMA2K proposal came out of Qualcomm. But the members of that standards body understand that they're going to get further by cooperation than by competition, and there's very much a "can do" attitude there which helped get a standard approved a long time ago. Qualcomm's proposal wasn't predatory. (By comparison, Sun's Java standards have been predatory, because part of the goal is to keep Sun the largest player in the Java business. Qualcomm is not the largest player in CDMA and probably never will be.) There's also heavy emphasis on interoperability and testing and standards compliance, and there is an independent testing laboratory, which even Qualcomm uses to verify its own products.
Another of the ironies in this is that "cooperative" Europe has turned out not to be cooperating as well as "competitive America". The companies involved in the CDMA2K process are cooperating closely because it's in their own best interest to do so, not because of some sort of fuzzy philosophy of "cooperation and centralization are good things". The companies in the CDMA2K process are cooperating because they know they'll be killed if they don't, not to mention the fact that they smell GSM's blood.
This kind of thing has played out much the same way hundreds of times before between Europe and the US, and nearly always it's had the same result. And as Europe increasingly centralizes and "harmonizes" and moves more and more authority to Brussels, it's going to keep happening. Decisions will be made from the center, and a lot of the time they'll be made wrongly because the "center" is not the infinite repository of all wisdom. The "center" chose GSM/TDMA to be the winner; America decided to let the market figure out the winner, and it didn't turn out to be GSM/TDMA.
European centralization turned out to be a competitive advantage – for the US. And that's going to keep happening. If I was vicious and wanted to wish failure and misery on Europe, I could think of nothing better to inflict it than the process going on now whereby more and more authority will move to Brussels to be used by unelected bureaucrats who answer to no one.