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A timing configuration method and system for a relay network

A configuration method and relay network technology, which is applied to multi-frequency code systems, synchronization devices, electrical components, etc., can solve the problem that relay stations cannot perform timing configuration, etc.

Inactive Publication Date: 2011-12-21
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The technical problem to be solved by the present invention is to provide a timing configuration method of a relay network to solve the problem that the above-mentioned relay station cannot perform timing configuration

Method used

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  • A timing configuration method and system for a relay network
  • A timing configuration method and system for a relay network
  • A timing configuration method and system for a relay network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0110] Such as image 3 As shown, E-UTRAN sends high-level signaling to the relay station, including downlink timing scenario indication information and uplink timing scenario indication information, where the downlink timing scenario indication information indicates that the downlink timing scenario in which the relay station is working is downlink scenario 1, and the uplink timing scenario indication The information indicates that the uplink timing scenario where the relay station works is uplink scenario 2b. The relay station has measured that the normal CP configuration is adopted at this time, the system is in FDD mode, and the relay station’s downlink backhaul link reception timing is (DL means downlink, B-R means backhaul link reception), the relay station uplink backhaul link transmission timing is (UL means uplink, B-T means backhaul link transmission), the corresponding downlink fixed delay Δ DL And uplink fixed delay Δ UL All are pre-arranged by the system. The re...

Embodiment 2

[0112] Such as Figure 4 As shown, E-UTRAN sends high-level signaling to the relay station, including downlink timing scenario indication information, indicating that the downlink timing scenario in which the relay station works is downlink scenario 3. The relay station has measured that the normal CP configuration is adopted at this time, the system is in FDD mode, and the downlink backhaul link reception timing of the relay station is The transmission timing of the uplink backhaul link of the relay station is Propagation delay is 1024T s , And according to the preset judgment threshold, the propagation delay is 624T s ~1568T s . The relay station performs timing configuration according to the locally measured timing information and the high-level signaling sent by the E-UTRAN. The configuration result is: the transmission start point of the downlink backhaul link is symbol k, the transmission end point is symbol 12, and the transmission length is 13-k symbols , The transmiss...

Embodiment 3

[0114] Such as Figure 5 As shown, E-UTRAN sends high-level signaling to the relay station, including downlink backhaul link transmission end information, indicating that the downlink backhaul link transmission end point of the relay station is symbol 13. The relay station has measured that the normal CP configuration is adopted at this time, the system is in FDD mode, and the relay station’s downlink backhaul link reception timing is The transmission timing of the uplink backhaul link of the relay station is Corresponding downlink fixed delay Δ DL And uplink fixed delay Δ UL They are all agreed upon by the system. The relay station performs timing configuration according to the locally measured timing information and the high-level signaling sent by the E-UTRAN. The configuration result is: the downlink timing scenario is downlink scenario 1, the transmission start point of the downlink backhaul link is symbol k+1, and the transmission end point is symbol 13. The transmissi...

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PUM

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Abstract

The invention discloses a timely configuring method and a system of a relay network, which comprise the following step that a relay station carries out corresponding timely configuration of the relay station according to locally-measured timing parameters, or according to the locally-measured timing parameters and timely configuring information of the relay station which is acquired from an evolved-universal terrestrial radio access network (E-UTRAN). According to the timely configuring method and the system of the relay network, the timely configuration of the relay station is realized, the waste of network resources is reduced, and the working efficiency and the system performance of the relay station are improved.

Description

Technical field [0001] The invention relates to the field of mobile communication, in particular to a method and system for timing configuration of a relay network. Background technique [0002] As a new technology, relay technology has attracted more and more attention and is regarded as the key technology of B3G / 4G. In the future, wireless communication or cellular systems require increased coverage and support higher-speed transmission, which poses new challenges to wireless communication technologies. The cost of system construction and maintenance is very high; as the transmission rate and communication distance increase, the battery energy consumption problem is also great; because the future wireless communication will use higher frequencies, the path loss attenuation will become more serious. For the relay technology, the distance can be shortened by dividing the traditional single-hop link into multiple multi-hop links, greatly reducing path loss, improving transmission...

Claims

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Application Information

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IPC IPC(8): H04W56/00H04L27/26
Inventor 梁枫毕峰吴栓栓杨瑾袁明袁弋非夏树强戴博
Owner ZTE CORP
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