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Method, device and base station for improving initial access delay of user equipment

A technology of user equipment and initial access, applied in the direction of preventing/detecting errors through diversity reception, electrical components, wireless communication, etc., can solve the problems of unable to decode data correctly, and the base station does not know the number of bits of RI information, etc., to achieve high cell The effect of throughput

Active Publication Date: 2017-03-22
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Before the base station receives the capability information of the user equipment, since the base station does not know the number of bits of the transmitted RI information, it cannot correctly decode the UL_SCH uplink data including RI

Method used

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  • Method, device and base station for improving initial access delay of user equipment
  • Method, device and base station for improving initial access delay of user equipment
  • Method, device and base station for improving initial access delay of user equipment

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] There are two schemes in the current LTE network to improve the initial access delay of the user equipment. figure 1 and figure 2 Two improvement schemes in the prior art are shown respectively.

[0025] Such as figure 1 As shown, in step S101 , the base station 2 configures the periodically reported CQI to the user equipment 1 . In this case, in order to avoid the collision between the data transmitted by UE 1 on the PUSCH and the CQI / RI, base station 2 restricts its uplink scheduling mechanism until the capability information of UE 1 is received.

[0026] Therefore, next, in step S102, base station 2 performs collision avoidance between PUSCH data and CQI / RI of user equipment 1; in step S103, user equipment 1 sends its capability information to base station 2, and base station 2 receives the capability information After information, combined wit...

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Abstract

The invention provides a method, a device and a base station for improving user equipment initial access delay. The method for improving the user equipment initial access delay comprises configuring a transmission mode of user equipment into an initial transmission mode through the base station when the user equipment requests initial access; receiving user equipment ability information which is reported through the user equipment and confirming a bit number of level indicating information which is reported through the user equipment in combination with the number of antenna ports of the base station; decoding transmission data on an uplink sharing channel of the user equipment according to the bit number of the level indicating information and enabling the transmission data and the level indicating information to reuse uplink sharing channel resources. Compared with the prior art, the method for improving the user equipment initial access delay has the advantages of improving user equipment initial access delay before the user equipment ability information is received, not limiting any scheduling processes or layer 3 scenes and being high in area handling capacity for subsequent user equipment initial accesses.

Description

technical field [0001] The present invention relates to the field of mobile communication technology, in particular to a technology for improving the time delay of user equipment during initial access. Background technique [0002] During the initial access process of the user equipment, if the user equipment is configured by the base station as one of the transmission modes 3 / 4 / 8 / 9 based on the activation mechanism of the periodic channel quality indicator information (CQI, Channel-Quality Indicator), the user equipment It is necessary to report rank indicator information (RI, Rank Indicator) to the base station (eNodeB). The user equipment is allocated a physical uplink shared channel (PUSCH, Physical Uplink Shared Channel) transmission resource. When the RI information is included in the subframe of the transmission resource for transmission, the RI information and UL_SCH uplink data multiplex the uplink Link shared channel. In this case, the rate of UL_SCH uplink data ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/06H04W72/12H04W74/00
Inventor 曹清王勇刘漪
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD