Method and device for assigning RNTI (Radio Network Temporary Identifier) in carrier aggregation system

A carrier aggregation, assigned technology, applied in the field of communication

Active Publication Date: 2011-03-30
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] The present invention provides a method and device for RNTI allocation in a carrier aggregation system to solve the problem of UE allocation of C-RNTI in an LTE-A system

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  • Method and device for assigning RNTI (Radio Network Temporary Identifier) in carrier aggregation system
  • Method and device for assigning RNTI (Radio Network Temporary Identifier) in carrier aggregation system
  • Method and device for assigning RNTI (Radio Network Temporary Identifier) in carrier aggregation system

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Embodiment Construction

[0074] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0075] In the LTE system, RNTI is allocated for UEs accessing a single cell, and UE identification, scheduling, and data transmission and reception are performed according to the allocated RNTI. However, the LTE-A system introduces aggregated cells, that is, UEs can access multiple cells at the same time. At this time, since the UE only has the single-cell RNTI obtained when initially accessing the network, it cannot adapt to the requirements of the aggregation cell...

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Abstract

The invention discloses a method for assigning an RNTI (Radio Network Temporary Identifier) in a carrier aggregation system, comprising the following steps of: for each aggregation cell accessed by a user terminal, respectively and independently assigning the RNTI for the user terminal according to an access request of the user terminal; and carrying out the user terminal identification, scheduling and data receiving and transmitting on the RNTI assigned by the user terminal. In the invention, for each aggregation cell accessed by the user terminal, the RNTI is respectively and independently assigned for the user terminal according to the access request of the user terminal, thereby each aggregation cell can independently assign the RNTI for the user terminal according to the aggregation cell and carry out the scheduling, data receiving and transmitting and other operations of the user terminal.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and device for allocating RNTI in a carrier aggregation system. Background technique [0002] In the LTE (Long Term Evolution, long-term evolution) system, the uplink and downlink resource scheduling information is sent through the PDCCH (Physical Downlink Control Channel, physical downlink control channel), and the PDCCH is distinguished through the RNTI (Radio Network Temporary Identifier, wireless network temporary identifier). The types of scheduling information include paging information, system information, information related to user data on PDSCH (Physical Downlink Shared Channel, physical downlink shared channel) or PUSCH (Physical Uplink Shared Channel, physical uplink shared channel), etc. For example, P-RNTI corresponds to paging information, SI-RNTI corresponds to system information, C-RNTI corresponds to UE (User Equipment, user terminal) information on PD...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/08H04W72/04H04W74/08
Inventor 李海涛梁靖赵毅
Owner DATANG MOBILE COMM EQUIP CO LTD
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