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Allocations

U.S. Non-Federal-Government Allocations

31 - 31.3 GHz
FIXED NG60
MOBILE
Standard frequency and time signal-satellite (space-to-Earth)

US211 US342

FCC Rule Parts:
Fixed Microwave (101)

Relevant FCC Auctions:
Auction 17 (Local Multipoint Distribution Service (LMDS)), $578,663,029
Auction 23 (Local Multipoint Distribution Service (LMDS) Re-Auction), $45,064,450
Total net auction bids: $623,727,479

U.S. Federal Government Allocations

31 - 31.3 GHz
Standard frequency and time signal-satellite (space-to-Earth)

US211 US342

ITU Region 1 Allocations

31 - 31.3 GHz
FIXED 5.338A 5.543A
MOBILE
Standard frequency and time signal-satellite (space-to-Earth)
Space research 5.544 5.545

5.149

ITU Region 2 Allocations

31 - 31.3 GHz
FIXED 5.338A 5.543A
MOBILE
Standard frequency and time signal-satellite (space-to-Earth)
Space research 5.544 5.545

5.149

ITU Region 3 Allocations

31 - 31.3 GHz
FIXED 5.338A 5.543A
MOBILE
Standard frequency and time signal-satellite (space-to-Earth)
Space research 5.544 5.545

5.149

SpectrumWiki

Local Multipoint Distribution Service (LMDS)

Mobile User Objective System (MUOS)

Wideband Global SATCOM (WGS) System

High Altitude Platform Station (HAPS)

Footnotes

5.149 In making assignments to stations of other services to which the bands:

13360-13410 kHz,	22.81-22.86 GHz,
25550-25670 kHz,	23.07-23.12 GHz,
37.5-38.25 MHz,	31.2-31.3 GHz,
73-74.6 MHz	31.5-31.8 GHz
in Regions 1 and 3,	in Regions 1 and 3,
150.05-153 MHz	36.43-36.5 GHz,
in Region 1,	42.5-43.5 GHz,
322-328.6 MHz,	48.94-49.04 GHz,
406.1-410 MHz,	76-86 GHz,
608-614 MHz in	92-94 GHz,
Regions 1 and 3,	94.1-100 GHz,
1330-1400 MHz,	102-109.5 GHz,
1610.6-1613.8 MHz,	111.8-114.25 GHz,
1660-1670 MHz,	128.33-128.59 GHz,
1718.8-1722.2 MHz,	129.23-129.49 GHz,
2655-2690 MHz,	130-134 GHz,
3260-3267 MHz,	136-148.5 GHz,
3332-3339 MHz,	151.5-158.5 GHz,
3345.8-3352.5 MHz,	168.59-168.93 GHz,
4825-4835 MHz,	171.11-171.45 GHz,
4950-4990 MHz,	172.31-172.65 GHz,
4990-5000 MHz,	173.52-173.85 GHz,
6650-6675.2 MHz,	195.75-196.15 GHz,
10.6-10.68 GHz,	209-226 GHz,
14.47-14.5 GHz,	241-250 GHz,
22.01-22.21 GHz,	252-275 GHz
22.21-22.5 GHz,

are allocated, administrations are urged to take all practicable steps to protect the radio astronomy service from harmful interference. Emissions from spaceborne or airborne stations can be particularly serious sources of interference to the radio astronomy service (see Nos. 4.5 and 4.6 and Article 29). (WRC-07)

5.338A In the bands 1350-1400 MHz, 1427-1452 MHz, 22.55-23.55 GHz, 30-31.3 GHz, 49.7-50.2 GHz, 50.4-50.9 GHz and 51.4-52.6 GHz, Resolution 750 (WRC-07) applies. (WRC-07)

5.543A In Bhutan, Cameroon, Korea (Rep. of), the Russian Federation, India, Indonesia, Iran (Islamic Republic of), Japan, Kazakhstan, Lesotho, Malaysia, Maldives, Mongolia, Myanmar, Uzbekistan, Pakistan, the Philippines, Kyrgyzstan, the Dem. People's Rep. of Korea, Sri Lanka, Thailand and Viet Nam, the allocation to the fixed service in the band 31-31.3 GHz may also be used by systems using high altitude platform stations (HAPS) in the ground-to-HAPS direction. The use of the band 31 31.3 GHz by systems using HAPS is limited to the territory of the countries listed above and shall not cause harmful interference to, nor claim protection from, other types of fixed-service systems, systems in the mobile service and systems operated under No. 5.545. Furthermore, the development of these services shall not be constrained by HAPS. Systems using HAPS in the band 31-31.3 GHz shall not cause harmful interference to the radio astronomy service having a primary allocation in the band 31.3-31.8 GHz, taking into account the protection criterion as given in Recommendation ITU-R RA.769. In order to ensure the protection of satellite passive services, the level of unwanted power density into a HAPS ground station antenna in the band 31.3-31.8 GHz shall be limited to -106 dB(W/MHz) under clear-sky conditions, and may be increased up to -100 dB(W/MHz) under rainy conditions to mitigate fading due to rain, provided the effective impact on the passive satellite does not exceed the impact under clear-sky conditions. See Resolution 145 (Rev.WRC 07). (WRC-07)

5.544 In the band 31-31.3 GHz the power flux-density limits specified in Article 21, Table 21-4 shall apply to the space research service.

5.545 Different category of service: in Armenia, Georgia, Mongolia, Kyrgyzstan, Tajikistan and Turkmenistan, the allocation of the band 31-31.3 GHz to the space research service is on a primary basis (see No. 5.33). (WRC-07)

US211 In the bands 1670-1690, 5000-5250 MHz and 10.7-11.7, 15.1365-15.35, 15.4-15.7, 22.5-22.55, 24-24.05, 31.0-31.3, 31.8-32.0, 40.5-42.5, 116-122.25, 123-130, 158.5-164, 167-168, 191.8-200, and 252-265 GHz, applicants for airborne or space station assignments are urged to take all practicable steps to protect radio astronomy observations in the adjacent bands from harmful interference; however, US74 applies.

US342 In making assignments to stations of other services to which the bands:

13360-13410 kHz	42.77-42.87 GHz*
25550-25670 kHz	43.07-43.17 GHz*
37.5-38.25 MHz	43.37-43.47 GHz*
322-328.6 MHz*	48.94-49.04 GHz*
1330-1400 MHz*	76-86 GHz
1610.6-1613.8 MHz*	92-94 GHz
1660-1660.5 MHz*	94.1-100 GHz
1668.4-1670 MHz*	102-109.5 GHz
3260-3267 MHz*	111.8-114.25 GHz
3332-3339 MHz*	128.33-128.59 GHz*
3345.8-3352.5 MHz*	129.23-129.49 GHz*
4825-4835 MHz*	130-134 GHz
4950-4990 MHz	136-148.5 GHz
6650-6675.2 MHz*	151.5-158.5 GHz
14.47-14.5 GHz*	168.59-168.93 GHz*
22.01-22.21 GHz*	171.11-171.45 GHz*
22.21-22.5 GHz	172.31-172.65 GHz*
22.81-22.86 GHz*	173.52-173.85 GHz*
23.07-23.12 GHz*	195.75-196.15 GHz*
31.2-31.3 GHz	209-226 GHz
36.43-36.5 GHz*	241-250 GHz
42.5-43.5 GHz	252-275 GHz

are allocated (*indicates radio astronomy use for spectral line observations), all practicable steps shall be taken to protect the radio astronomy service from harmful interference. Emissions from spaceborne or airborne stations can be particularly serious sources of interference to the radio astronomy service (see ITU Radio Regulations at Nos. 4.5 and 4.6 and Article 29).

Could not find NG60

SpectrumWiki

Local Multipoint Distribution Service (LMDS)

According to the FCC (FCC 15-38):

"In 1997, the Commission developed a band plan making 1,300 megahertz of LMDS spectrum in each basic trading area (BTA) across the United States. Specifically, the Commission allocated two LMDS licenses per BTA -- an "A Block" and a "B Block" in each. The A Block license is comprised of 1,150 megahertz of total bandwidth, and the B Block is comprised of 150 megahertz of total bandwidth...Of the 986 designated license areas (492 BTAs times two licenses per BTA), 416 areas have active licenses, which cover about 75 percent of the U.S. population."

LMDS was originally envisioned as a fixed broadband point-to-multipoint microwave service. LMDS spectrum was auctioned in 1998 and 1999 for a total of approximately $623 million.

In FCC 15-38,the FCC has proposed to open the 27.5-28.35 GHz LMDS spectrum for broadband mobile communications.

Frequency Bands
Band	Use	Service	Table
27.5 - 28.35 GHz	LMDS A1 Band	Fixed	N
29.1 - 29.25 GHz	LMDS A2 Band	Fixed	N
31 - 31.075 GHz	LMDS B1 Band	Fixed	N
31.075 - 31.225 GHz	LMDS A3 Band	Fixed	N
31.225 - 31.3 GHz	LMDS B2 Band	Fixed	N

External Links:

LMDS Second Report & Order and Fifth Notice of Proposed Rulemaking (FCC 97-82)

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Mobile User Objective System (MUOS)

According to the U.S. Navy:

Mobile User Object System (MUOS) is a narrowband Military Satellite Communications (MILSATCOM) system that supports a worldwide, multi-Service population of mobile and fixed-site terminal users in the Ultra High Frequency (UHF) band, providing increased communications capabilities to smaller terminals while still supporting interoperability to legacy terminals.

MUOS adapts a commercial third generation Wideband Code Division Multiple Access (WCDMA) cellular phone network architecture and combines it with geosynchronous satellites (in place of cell towers) to provide a new and more capable UHF MILSATCOM system. The constellation of four operational satellites and ground network control will provide greater than 10 times the system capacity of the current UHF Follow-On (UFO) constellation.

The first MUOS satellite was launched February 24th, 2012, and began operations in August 2012. The MUOS constellation will eventually be comprised of four GSO satellites and one in-orbit spare. The operational satellites will be located at 177 deg W (Pacific), 100 deg W (CONUS), 15.5 deg W (Atlantic), and 75 deg E (Indian). The spare satellite will be parked at 72 deg E.

The satellites transmit 9.8 W of power into a 14 m dish. The service links are comprised of four 5 MHz-wide SA-WCDMA channels occupying the 20 MHz wide UHF uplink and downlink bands.

Frequency Bands
Band	Use	Service	Table
300 - 320 MHz	MUOS service uplink	Mobile-satellite	F
360 - 380 MHz	MUOS service downlink	Mobile-satellite	F
20.2 - 21.2 GHz	MUOS feeder downlink	Fixed-satellite	F
30 - 31 GHz	MUOS feeder uplink	Fixed-satellite	F

External Links:

"The Mobile User Objective System" (Johns Hopkins University Applied Physics Lab Technical Digest)

MUOS (Wikipedia)

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Wideband Global SATCOM (WGS) System

The Wideband Global SATCOM (WGS) System provides fixed site satellite service at X-band and Ka-band from geosynchronous earth orbit in support of US military operations worldwide.

As of April 2013, four WGS satellites are in orbit, a fifth is scheduled for launch in 2013, a sixth has completed testing, and four more are being built.

Paired Frequency Bands
Paired Bands	Use	Service	Table
7250 - 7750 MHz	X-band downlink	Fixed-satellite	F
7900 - 8400 MHz	X-band uplink	Fixed-satellite	F
20.2 - 21.2 GHz	Ka-band downlink	Fixed-satellite	-
30 - 31 GHz	Ka-band uplink	Fixed-satellite	-

External Links:

WGS Article on Wikipedia

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High Altitude Platform Station (HAPS)

The ITU has identified various bands for use by High Altitude Platform Stations (HAPS), which are defined as "a station located on an object at an altitude of 20 to 50 km and at a specified, nominal, fixed point relative to the Earth."

One set of bands (47.2-47.5 and 47.9-48.2 GHz) is identified on a worldwide basis. The others apply regionally or in a subset of countries.

Although there was a flurry of activity related to HAPS beginning in the late 1990's, no HAPS systems were ever developed. As of 2015, there is renewed interest in HAPS for applications involving telecommunications from Unmanned Aerial Systems (UAS).

HAPS is declared as an application of the fixed service.

Paired Frequency Bands
Paired Bands	Use	Service	Table
6440 - 6520 MHz	HAPS-to-ground in 5 countries (per 5.457)	Fixed	-
6560 - 6640 MHz	Ground-to-HAPS in 5 countries (per 5.457)	Fixed	-
27.9 - 28.2 GHz	HAPS-to-ground in 23 countries (per 5.537A)	Fixed	-
31 - 31.3 GHz	Ground-to-HAPS in 23 countries (per 5.543A)	Fixed	-

Frequency Bands
Band	Use	Service	Table
1885 - 1980 MHz	HAPS service links for IMT in Regions 1, 2, & 3 (per 5.388A)	Fixed	-
2010 - 2025 MHz	HAPS service links for IMT in Regions 1 & 3 (per 5.388A)	Fixed	-
2110 - 2160 MHz	HAPS service links for IMT in Regions 1, 2, & 3 (per 5.388A)	Fixed	-
2160 - 2170 MHz	HAPS service links for IMT in Region 2 (per 5.388A)	Fixed	-
47.2 - 47.5 GHz	HAPS (per 5.552A)	Fixed	-
47.9 - 48.2 GHz	HAPS (per 5.552A)	Fixed	-

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Related Documents, Links, and Multimedia:

FCC Proceeding (1)

FCC Above 24 GHz Mobile Radio Services Notice of Inquiry

In this Notice of Inquiry, we begin a proceeding to examine the potential for the provision of mobile radio services in bands above 24 GHz. As technologies continue to evolve, innovators are working to tap into the potential of using high-band spectrum for mobile services. In particular, industry and technical groups are beginning to examine the use of higher frequencies sometimes known as millimeter wave (mmW) bands for mobile use. This examination of the possible uses of the mmW bands for mobile use takes place within the context of broader efforts to develop technical standards for so-called Fifth Generation (5G) mobile services. In view of the technological and marketplace developments outlined in this item, we seek to discern what frequency bands above 24 GHz would be most suitable for mobile services, and to begin developing a record on mobile service rules and a licensing framework for mobile services in those bands.

Frequencies/Bands

24.25 - 24.45 GHz

25.05 - 25.25 GHz

27.5 - 28.35 GHz

29.1 - 29.25 GHz

31 - 31.3 GHz

37 - 38.6 GHz

38.6 - 40 GHz

42 - 42.5 GHz

57 - 71 GHz

71 - 76 GHz

81 - 86 GHz

Document type and status: FCC proceeding (Current)
Document date or date of hyperlink query: June 23, 2015

FCC Above 24 GHz Mobile Radio Services Notice of Inquiry

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Other (1)

The Very Large Array Radio Telescope

Engineering Data

	Lower Frequency	Center Frequency	Upper Frequency
Frequency	31 GHz	31.15 GHz	31.3 GHz
Wavelength	9.7 mm	9.6 mm	9.6 mm
Band designator(s)	EHF (millimeter wave); Ka-band (IEEE)	EHF (millimeter wave); Ka-band (IEEE)	EHF (millimeter wave); Ka-band (IEEE)
Isotropic collecting area	7.4 mm²	7.4 mm²	7.3 mm²
Free space loss (1 m)	62.3 dB	62.3 dB	62.4 dB
Free space loss (1 km)	122.3 dB	122.3 dB	122.4 dB
Free space loss (10 km)	142.3 dB	142.3 dB	142.4 dB
Free space loss (100 km)	162.3 dB	162.3 dB	162.4 dB
Free space loss (1000 km)	182.3 dB	182.3 dB	182.4 dB
Free space loss (35,786 km = GEO orbit)	213.4 dB	213.4 dB	213.4 dB
Free space loss (378,370 km = Moon)	233.8 dB	233.9 dB	233.9 dB