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Method, device and system for sending broadcast service in time division synchronization code division multi-address access system

A code division multiple access and broadcast service technology, applied in the field of sending broadcast service, can solve the problems of increasing system cost and increasing the complexity of UE processing data, and achieves the effects of increasing complexity, reducing power and reducing interference

Active Publication Date: 2009-12-23
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, the UE performs channel estimation, demodulation, and descrambling on the broadcast service signals of each cell, which will increase the complexity of the UE's data processing, increase the performance requirements of the UE, and increase the system cost

Method used

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  • Method, device and system for sending broadcast service in time division synchronization code division multi-address access system
  • Method, device and system for sending broadcast service in time division synchronization code division multi-address access system
  • Method, device and system for sending broadcast service in time division synchronization code division multi-address access system

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Embodiment Construction

[0044] The present invention provides a method for sending a broadcast service in a TD-SCDMA system. The core idea is: when the network side initiates a broadcast service, after knowing the cell that needs to send the broadcast service, allocate unified resources for the broadcast service, including Time resources and frequency resources for sending the broadcast service, scrambling codes and channel estimation codes used when sending the broadcast service, and notifying the NodeB serving the cell and UEs in the cell of resource allocation information.

[0045] Each NodeB uses the scrambling code to scramble the broadcast service, and forms a time slot burst on the time-frequency resource for sending the broadcast service with the scrambled broadcast service and the channel estimation code, and in the cell Sending: the UE receives the broadcast service on the time-frequency resource for sending the broadcast service, performs channel estimation through the channel estimation co...

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Abstract

The invention discloses a method for transmitting broadcast in TD-SCDMA system, comprising that: allocate time resource, frequency resourc, scrambling code, channel estimating code for the cell in need of transmitting broadcast; the base station and the user equipment (UE) in the cell uses time resource, the frequency resourc, the scrambling code, the channel estimating code to transmit the broadcast. The invention also discloses a device and a system for transmitting broadcast in TD-SCDMA system.

Description

technical field [0001] The present invention relates to a method for sending broadcast services in a mobile communication system, in particular to a method, device and system for sending broadcast services in a time-division synchronous code division multiple access system. Background technique [0002] In a mobile communication system, a broadcast service is a service in which information is sent from a single source to multiple destinations. When a cell sends a broadcast service, various factors need to be considered in order to enable user equipment (UE, User Equipment) in the cell to normally receive the broadcast service, especially the signal reception quality of the UE at the edge of the cell. When the UE is at the edge of the cell, generally the link quality between the base station (NodeB) and the UE will deteriorate, resulting in the degradation of the communication quality between the NodeB and the UE. In order to ensure that all UEs in the cell, especially UEs a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/707H04B7/005H04W4/06
Inventor 毛磊胡金玲
Owner DATANG MOBILE COMM EQUIP CO LTD