FCC seeks comment on wireless broadband spectrum needs

Let me comment here and not to the FCC. Simply because I prefer for my organization to stay anonymous. I agree there is a shortage of spectrum. The reason is quite simple: There are two major 4G technologies in the world; Mobile WiMAX and LTE. They work with standard approved bands. If an operator uses a non-standard band it means procuring equipment (especially user equipment) comes at a large premium rendering the company uncompetive against those who have the standard bands. Who has the standard bands in the USA, generally? The deep pocketed Telcos.. The WiMAX bands: - 2.3Ghz (owned by AT&T) - 2.5Ghz (owned by Clearwire/Sprint) - 3.5Ghz. This band is too high up to offer true mobility; (no penetration through walls beyond a few hundred meters from a base station), so is not effective for planning to compete against a nationwide Telco using mobile services. (Hence their choice for the other pieces of spectrum). - 700MHz: not an official band but every insider knows it's coming. Owned by AT&T and Verizon. The LTE bands: - 2.3Ghz: Owned by AT&T - 2.1 GHz: Owned by AT&T, Sprint and Verizon - 700MHz: Owned by AT&T and Verizon - There are more approved bands (850MHz, 900MHz, etc) but they are currently in use for GSM and CDMA 2G servcies, by... indeed.. AT&T, verzon, Sprint, etc There are indeed regional telcos and yes, they are sometimes substantial and have slices of the above in their region. But they are just that, slices. Our company applied for the Broadband Stimulus funds in one State. A complete state. The only spectrum we could use of a standard band was 3.65Ghz (a USA variation of the global 3.5GHz band). That band is free to use, but read my notes on how useful it is to compete against the major Telcos. So what do I suggest? Clearwire has 190MHz of spectrum in the 2.5Ghz band in most states. An average WiMAX or LTE deployment needs 30MHz according to the WiMAX Forum. Even if you argue this is too little, well, let's give them 60MHz. Strip away the other 100MHz, and make it accessible as part of the next round of Broadband Stimulus program applications. For free ont he basis of a beauty contest; the ones who stimulates most, has a reasonable plan which makes business sense, and will truly change the un- and underserved market place in the USA, let them have it. Looking forward to some lively debate here !

To solve the problem of a shortage of spectrum we believe it is effective to adopt systems with high spectral efficiency. One of such systems is iBurst system. iBurst is a TDD system and uses just a single 5MHz band for both uplink and downlink, and delivers 32Mbps in total. Because of Adaptive Array Antenna technology it realizes frequecy reuse factor 1 and you can build a network using just a single 5MHz band. In fact commercial service is provided in 12 countries including the U.S. on a single 5MHz band in 1.8, 1.9 or 2.0GHz. As iBurst uses lower frequency bands below 2.0GHz, it provides good mobility, good indoor penetration and wide area coverage, which leads to good cost performance. It, however, is difficult to find a vacant 5MHz band not owned by Major Telcos in the U.S. iBurst service is provided in a part of South Dakota, but expansion to adjacent areas is difficult because of availability of spectrum. If FCC can free up just a fraction of appropriate bands, it will surely help provide service to un- and underserved areas in the U.S. By utilizing limited frequency bands we believe iBurst will contribute to effective use of spectrum as scarce resources. http://global.kyocera.com/iburst

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