ITU-R QUESTION 2505-2009 Mobile wireless access systems providing telecommunications for a large number of ubiquitous sensors and or actuators scattered over wide areas in the land.pdf

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1、QUESTION ITU-R 250/5Mobile wireless access systems providing telecommunications fora large number of ubiquitous sensors and/or actuators scatteredover wide areas in the land mobile service(2009)The ITU Radiocommunication Assembly,consideringa) that rapid advances are being made in wireless telecommu

2、nications to link sensors and/oractuators associated with humans, animals and objects in various environments;b) that sensors and/or actuators for wireless telecommunications should be simple, small andinexpensive to realize the ubiquitous network society;c) that there are emerging applications that

3、 handle small amounts of data such as measurementdata, location information and object control signals;d) that the application of wireless sensor and/or actuator telecommunications may provide theservice to a large cell coverage and large variety of objects on a cell-by-cell basis due to the traffic

4、characteristics of such applications stated in considering c) above;e) that mobility should be offered for wireless sensor and/or actuator telecommunications;f) that wireless sensor and/or actuator telecommunications can take place in non line-of-sightconditions;g) that it is desirable to identify t

5、he typical characteristics for the mobile wireless accesssystems used for sensor and/or actuator telecommunications in the land mobile service;h) that wireless access systems used for sensor and/or actuator telecommunications may alsobe used in nomadic and/or fixed applications,decides that the foll

6、owing Question should be studied1 What are the technical and operational requirements and characteristics of land mobilewireless access systems that will be used to provide telecommunications to large numbers ofsensors and/or actuators scattered over wide areas?further decides1 that the results of the above studies should be included in Recommendations or Reports;2 that the above studies should be completed by 2011.Category: S2