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Distribution method and equipment of cell radio network temporary identity (C-RNTI)

A wireless network and temporary identification technology, applied in the field of wireless communication, can solve problems such as C-RNTI conflicts

Active Publication Date: 2016-04-13
HUAWEI TECH CO LTD
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Problems solved by technology

However, the SCC may serve as the serving cell of other UEs at the same time and allocate C-RNTIs for other UEs. At this time, C-RNTI conflicts are prone to occur, that is, the C-RNTI allocated by the PCC for the UE has been allocated by the SCC to other UEs.

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  • Distribution method and equipment of cell radio network temporary identity (C-RNTI)
  • Distribution method and equipment of cell radio network temporary identity (C-RNTI)
  • Distribution method and equipment of cell radio network temporary identity (C-RNTI)

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Embodiment Construction

[0112] Various embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0113] The C-RNTI is an identifier added to the header of a Media Access Control (English: MediaAccessControl; abbreviation: MAC) packet data unit (English: PacketDataUnit; abbreviation: PDU), and is used to distinguish different UEs. Currently, its length is 16 bits, and its value ranges from 0 to 65535.

[0114] In the CA scenario, both the PCC and the SCC are used for data transmission of the same UE, and the C-RNTI used by the UE needs to be consistent. The C-RNTI of the UE is allocated for the UE by the ent...

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Abstract

The invention discloses a distribution method and equipment of cell radio network temporary identity (C-RNTI). The method comprises the following steps: when user equipment (UE) is connected to a service cell, randomly determining the initial position for selecting C-RNTI through the entity of the service cell, choosing C-RNIT for the UE in a range starting from the initial position, and allocating the chosen C-RNTI to the UE, in other words, when the entity of the service cell allocates C-RNTI for UE, the initial positions of the allocation are randomly distributed, the initial position is taken as the initial position of a distribution area, and thus the distribution of C-RNTI is random. Because the chance of repetition for allocating the initial position of area is reduced, when the cell allocates C-RNTI for UE in each time, and the chance of confliction of C-RNTI allocation is also reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and equipment for allocating a cell wireless network temporary identifier C-RNTI. Background technique [0002] With the development of mobile communication and broadband wireless access technology, mobile communication services and broadband wireless access services penetrate each other. In order to meet the demand of mobile communication bandwidth and cope with the challenge of mobile broadband communication, the mobile communication system introduces carrier aggregation (English: CarrierAggregation; abbreviation: CA) technology. [0003] As one of the important technologies in Long Term Evolution (English: Long Term Evolution; abbreviation: LTE), CA obtains larger bandwidth by aggregating multiple continuous or discontinuous component carriers (English: ComponentCarrier; abbreviation: CC), thereby improving System data transmission rate and sys...

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Application Information

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IPC IPC(8): H04W8/26H04W28/04
CPCH04W8/26H04L5/001H04W74/0833H04W72/04H04W72/0453
Inventor 徐战杨涛谢宝钢
Owner HUAWEI TECH CO LTD
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