ITU Publications : ITU-R Questions
ITU Home Page International Telecommunication Union
ITU Home Page
Home : Publications : Radiocommunication (ITU-R) : ITU-R Questions
Shopping cart
    Resources
    FAQ
 ITU-R Questions
RSS Feed
Number Category Group Title

1-4/5

(S2) WP5A

Interference protection ratios and minimum field strengths required in the land mobile services  

7-6/5

(S2) WP5A

Characteristics of equipment for the land mobile service between 25 and 6 000 MHz  

35-1/5

(S2) WP5B

Efficient use of the radio spectrum by radar stations in the radiodetermination service  

37-5/5

(S2) WP5A

Digital land mobile systems for dispatch traffic  

48-6/5

(S2) WP5A

Techniques and frequency usage in the amateur service and amateur-satellite service  

62-2/5

(S2) WP5B

Interference to the aeronautical mobile and aeronautical radionavigation services  

77-6/5

(S2) WP5D

Consideration of the needs of developing countries in the development and implementation of mobile radiocommunication technology  

93-2/5

(S2) WP5B

Automation of MF, HF and VHF maritime mobile communications  

96-2/5

(S2) WP5B

Improved efficiency in the use of the band 156-174 MHz by stations in the maritime mobile service with a view to enhancing maritime safety and port security  

98/5

(S2) WP5B

Transmission of digital data for the updating of electronic chart display systems  

99-1/5

(S2) WP5A

Interference due to intermodulation products in the land mobile services between 25 and 6 000 MHz  

101-4/5

(S2) WP5A

Quality of service requirements in the land mobile service  

106-1/5

(S2) WP5A

Criteria for sharing between the broadcasting-satellite service (sound) and complementary terrestrial broadcasting and the mobile and amateur services within the range 1-3 GHz  

110-2/5

(S2) WP5C

Antenna radiation diagrams of point-to-point fixed wireless stations for use in sharing studies  

111-3/5

(C1) WP5C

Sharing criteria between the broadcasting-satellite service (sound and television) and the fixed service  

113-2/5

(C1) WP5C

Frequency sharing and compatibility between systems in the fixed service and systems of the Earth exploration-satellite service and the space research service  

118-4/5

(C1) WP5C

Sharing criteria between the mobile-satellite service and the fixed service  

133-1/5

(S2) WP5C

Sharing criteria between the fixed and land mobile services in the frequency bands above about 0.5 GHz  

145-2/5

(S2) WP5C

Characteristics required for high-speed data transmission over HF radio circuits  

158-1/5

(S3) WP5C

Packet data transmission protocols for systems operating below about 30 MHz  

202-3/5

(S2) WP5B

Unwanted emissions of primary radar systems  

205-4/5

(S2) WP5A

Intelligent transportation systems  

208-1/5

(S2) WP5A

Evolution of land mobile systems towards IMT-2000 and systems beyond IMT-2000  

209-3/5

(S2) WP5A/WP5D

Contributions of the mobile and amateur services and associated satellite services to the improvement of disaster communications  

212-3/5

(S2) WP5A

Nomadic wireless access systems including radio local area networks for mobile applications  

215-3/5

(S2) WP5A

Frequency bands, technical characteristics, and operational requirements for fixed wireless access systems in the fixed and/or land mobile services  

216-2/5

(C2) WP5B

Compatibility of radionavigation, earth exploration-satellite (active), space research (active), mobile, and radiolocation services operating in the band 5 350-5 650 MHz and compatibility between the radionavigation and radiolocation services in the band 2 900-3 100 MHz  

223-2/5

(S2) WP5A

Internet protocol applications over mobile systems  

224-2/5

(S2) WP5A

Adaptive antennas  
Note - Suppressed on 06/07/09 (CACE/484)

225/5

(S1) WP5B

Interference to the aeronautical and maritime mobile services in the HF bands by unauthorized stations  

226/5

(S1) WP5B

Characteristics of and protection criteria for radars operating in the radiodetermination service  

229-2/5

(S1) WP5D

Future development of the terrestrial component of IMT  

230-2/5

(C1) WP5A

Sofware defined radios  

231/5

(S2) WP5B

Operation of wideband aeronautical telemetry in bands above 3 GHz  

232/5

(S2) WP5B

Universal shipborne automatic identification system  

233/5

(S2) WP5C

Criteria for sharing between stations in the fixed service and stations in the aeronautical mobile service in bands between about 37 GHz and 50 GHz  

235/5

(S2) WP5B

Protection criteria for aeronautical and maritime systems  

237/5

(S2) WP5B

Characteristics and protection criteria of radars operating in the radiodetermination service in the VHF frequency band  

238-1/5

(S2) WP5A

Broadband wireless access systems for the mobile service  

240/5

(S2) WP5B

Technical and operational characteristics and spectrum requirements of high-frequency surface wave radar systems operating in the frequency range 3 to 50 MHz  

241-1/5

(C1) WP5A

Cognitive radio systems in the mobile service  

242/5

(S2) WP5C

Reference radiation patterns of omnidirectional and sectoral antennas in point-to-multipoint systems for use in sharing studies  

243/5

(S2) WP5C

System characteristics and sharing criteria for the fixed service operating in frequency bands below 1 GHz  

244/5

(S1) WP5C

Improvements to Recommendation ITU-R F.758  

245/5

(C1) WP5C

Fixed service applications using frequency bands above 3 000 GHz  

246/5

(S2) WP5C

Technical characteristics and channelling requirements for adaptive HF systems  

247/5

(S2) WP5C

Radio-frequency arrangements for fixed wireless systems  

248/5

(S1) WP5C

Technical and operational characteristics for systems in the fixed service used for disaster mitigation and relief  

249/5

(S2) WP5B

Technical characteristics and operational requirements of wireless avionics intra-communications (WAIC)  

250/5

(S2) WP5A

Mobile wireless access systems providing telecommunications for a large number of ubiquitous sensors and/or actuators scattered over wide areas in the land mobile service  

Top -  Feedback -  Contact Us -  Copyright © ITU 2004 All Rights Reserved
Contact for this page :