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Report information transmission method, radio base station, and mobile station

A technology for broadcasting information and wireless base stations, which is used in wireless communication, broadcasting service distribution, and adjustment of transmission methods.

Active Publication Date: 2013-07-10
NTT DOCOMO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Therefore, even if the mobile station UE fails to receive some of the multiple segments, there is a possibility that the mapped subframe or the size of the multiple segments #1 to #3 that are repeatedly transmitted may be changed. The problem that only the segment that failed in reception cannot be received

Method used

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  • Report information transmission method, radio base station, and mobile station
  • Report information transmission method, radio base station, and mobile station
  • Report information transmission method, radio base station, and mobile station

Examples

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Embodiment Construction

[0036] (Structure of the mobile communication system according to the first embodiment of the present invention)

[0037] refer to Figure 1 to Figure 5 , the configuration of the mobile communication system according to the first embodiment of the present invention will be described. In addition, in this embodiment, an LTE-based mobile communication system is described as an example, but the present invention is not limited to this example, and can be applied to other arbitrary mobile communication systems.

[0038] Such as figure 1 As shown, in the mobile communication system according to this embodiment, the radio base station eNB divides the BCCH (broadcast information) into a plurality of segments, and repeatedly transmits the plurality of segments to a plurality of mobile stations UE1 to #N using a plurality of subframes .

[0039] Such as figure 2 As shown, the radio base station eNB of this embodiment includes a BCH transmission unit 11 , an SU transmission unit 12...

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Abstract

A radio base station (eNB) transmits a change notification to the plurality of mobile stations (UE), when repeatedly transmitting the plurality of segments, and when having changed a content of the broadcast information formed of the plurality of segments, size of each of the plurality of segments or subframes in which the plurality of segments are to be transmitted, the change notification indicating the change. The mobile station (UE) receives all the plurality of segments again, when having failed to receive only some of the plurality of segments, and when having received the change notification.

Description

technical field [0001] The present invention relates to a broadcast information transmission method in which a radio base station divides broadcast information into a plurality of segments and repeatedly transmits the plurality of segments to a plurality of mobile stations, a radio base station, and a mobile station. Background technique [0002] refer to Figure 8 and Figure 9 , indicating that in the LTE (Long Term Evolution: Long Term Evolution) mobile communication system, the radio base station eNB divides the broadcast information (BCCH: Broadcast Control Channel, broadcast control channel) into multiple segments (SU: Scheduling Unit, scheduling unit) , and repeatedly transmit the plurality of segments to a plurality of mobile stations UE using a plurality of subframes (broadcast information transmission method). [0003] Such as Figure 8 As shown, BCCH (Broadcast Information) can be mapped to BCH (Broadcast Channel, Broadcast Channel) and PDSCH (Physical Downlink S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W68/00
CPCH04L1/0006H04W48/12H04W28/04H04L1/0025H04L1/16H04L1/08
Inventor 岩村干生石井美波
Owner NTT DOCOMO INC