Method for assigning wireless network temporary identifiers

A temporary identification and wireless network technology, applied in wireless communication, network data management, electrical components, etc., can solve the problems of low peak rate and throughput, and achieve the effect of improving the peak rate and throughput of uplink

Active Publication Date: 2018-02-09
POTEVIO INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, the number of PRBs occupied by PUCCH will be more, so that the number of PRBs available for PUSCH will be less, resulting in lower uplink peak rate and throughput

Method used

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  • Method for assigning wireless network temporary identifiers
  • Method for assigning wireless network temporary identifiers
  • Method for assigning wireless network temporary identifiers

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Embodiment Construction

[0022] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] The core idea of ​​the present invention is: according to a certain rule, in the RNTI set defined by the existing specification, a subset is specially allocated to the RNTI type with UE-specific search space. The rule is: under a given control domain configuration of the RNTI in the subset, there are a certain number of candidate PDCCHs whose starting position numbers do not exceed a given threshold in multiple or each downlink subframe. In this way, n can be made as much as possible CCE The value of is smaller, so that the number of PRBs occupied by the PUCCH can be reduced, and the uplink peak rate and throughput can be improved.

[0024] figure 1 It is a schematic flow chart of Embodiment 1 of the present invention, such as f...

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Abstract

The invention discloses a RNTI (radio network temporary identifier) distribution method. According to the method, a corresponding searching space can simultaneously include a special searching space for UE (user equipment) and an RNTI for a public searching space, so that the number of elements smaller than the preset index upper limit in a CCE (control channel element) initial position index set occupied by candidate PDCCHs (physical downlink control channels) on each downlink subframe reaches a certain value. After the RNTI distribution method is adopted, the PRB (physical resource block) number occupied by the PDCCHs can reduced, the PRB number used by a PUSCH (physical uplink shared channel) is great, and the uplink peak rate and the throughput capacity are effectively improved.

Description

technical field [0001] The present invention relates to mobile communication technology, in particular to a radio network temporary identifier (Radio Network Temporary Identifier, RNTI) distribution method. Background technique [0002] In an uplink subframe of an LTE system, physical resource block (PRB) resources of two time slots before and after a physical uplink control channel (PUCCH) are respectively located at two ends of available spectrum resources. The PUCCH of Format2 / 2a / 2b is mapped to the extreme edge of the spectrum resource, followed by the PUCCH of Format1 / 1a / 1b and Format2 / 2a / 2b, and finally the PUCCH of Format1 / 1a / 1b. For PUCCH resources in Format1 / 1a / 1b format, whether it is a transmission scheduling request (SchedulingRequest, SR) or ACK, NACK information, an index can be used To represent. For HARQ ACK / NACK, resource index of PUCCH The first CCE number n occupied by the corresponding downlink PDCCH CCE related. In FDD mode, In TDD mode, in, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W8/26H04W72/04
CPCH04W8/26H04W72/02
Inventor 马慧生吕征南
Owner POTEVIO INFORMATION TECH CO LTD
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