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Scheduling method

A scheduling method and scheduling technology, applied in network planning, electrical components, time-division multiplexing systems, etc., can solve the problems of inability to realize dual-mode terminal switching, inability to realize LTE-TDD system measurement, etc. achieve simple effects

Active Publication Date: 2010-06-30
TD TECH COMM TECH LTD
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Problems solved by technology

TS6 is the downlink time slot in the TD-SCDMA system. The dual-mode terminal needs to receive the service data sent by Node B at TS6. Therefore, the measurement of the LTE-TDD system cannot be realized at TS6.
If the measurement of the LTE-TDD system cannot be realized, it will not be possible to realize the coexistence of the TD-SCDMA system and the LTE-TDD system in the same geographical area, and the handover of the dual-mode terminal to the LTE-TDD system
[0014] In the case of different frequency bands between the TD-SCDMA system and the LTE-TDD system, the subframe boundaries in the LTE-TDD system are not required to be aligned with the time slot boundaries of the TD-SCDMA system, and the existing technology has not yet proposed a feasible technical solution for realizing Measurements on LTE-TDD systems

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[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0043] The main idea of ​​the present invention is to set the measurement cycle for LTE-TDD system measurement, and when scheduling, reserve a period of time in each measurement cycle for each dual-mode terminal that needs to perform LTE-TDD system measurement. Scheduled time, so that the dual-mode terminal can perform LTE-TDD system measurement during its unscheduled time, thereby realizing the coexistence of TD-SCDMA system and LTE-TDD system in the same geographical area.

[0044] figure 2 It is a schematic flowchart of the scheduling method of the present invention. figure 2 The method shown is used to realize the measurement of the LTE-TDD system by the dual-mode terminal under the condition that the TD-SCDMA system and the LTE-TDD system coexis...

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Abstract

The invention discloses a scheduling method which is used to realize the coexistence of a TD-SCDMA system and a LTE-TDD system in the same geographical area. The method comprises: A. setting measurement periods for LTE-TDD system measurement; B. determining dual-mode terminals requiring the LTE-TDD system measurement; C. when in scheduling, keeping unscheduled time for each dual-mode terminal requiring the LTE-TDD system measurement in each measurement period; and D. conducting the LTE-TDD system measurement to the dual-mode terminals requiring LTE-TDD system measurement in the unscheduled time. By adopting the method, under the condition that the TD-SCDMA system and the LTE-TDD system coexist in the same geographical area, the LTE-TDD system measurement can be conducted to the dual-mode terminals in the kept unscheduled time.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a scheduling method. Background technique [0002] In order to ensure that the Time Division Synchronous Code Division Multiple Access (TD-SCDMA) system and the Long Term Evolution Project-Time Division Duplex (LTE-TDD) system coexist in the same geographical area, that is, to ensure that the TD-SCDMA system and the LTE-TDD system are in There is no time slot crossover at the same time, and it is necessary to schedule uplink time slots and downlink time slots in the TD-SCDMA system and LTE-TDD system according to a certain strategy. The time slot crossover means that at the same moment, the types of time slots in the TD-SCDMA system and the LTE-TDD system are different. For example, assuming that a certain moment is scheduled as an uplink time slot in the TD-SCDMA system, but is scheduled as a downlink time slot in the LTE-TDD system, time slot crossover o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/14H04W72/04H04J3/16
Inventor 李蓉王大飞沈东栋
Owner TD TECH COMM TECH LTD
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