Method and system for selecting resources

A resource and resource configuration parameter technology, applied in the field of resource selection, method and system, can solve problems such as ACK/NACK resource conflicts, and achieve the effect of resolving resource conflicts

Active Publication Date: 2016-03-09
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The user terminal uses the carrier offset provided by the base station to determine the uplink resource of ACK / NACK, and feeds back ACK / NACK on the uplink resource, thus effectively solving the problem of uplink ACK / NACK resource conflict in the uplink and downlink asymmetric spectrum

Method used

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  • Method and system for selecting resources
  • Method and system for selecting resources
  • Method and system for selecting resources

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Embodiment Construction

[0047]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. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. 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.

[0048] The relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0049] At the same time, it should be understood that, for the convenience of de...

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Abstract

The invention discloses a method and system for selecting resources. The method comprises the steps that a base station enables a resource configuration parameter N (1, PUCCH) and a carrier offset to be transmitted to a user terminal; the user terminal detects a PDCCH channel, and obtains the index nCCE of a first control channel unit CCE occupied by the PDCCH channel; and the user terminal detects a PDSCH channel, determines the uplink resource of ACK / NACK through employing the index nCCE, the resource configuration parameter N (1, PUCCH) and the carrier offset, and feeds back the ACK / NACK on the uplink resource. The user terminal determines the uplink resource of ACK / NACK through the carrier off provided by the base station, and feeds back the ACK / NACK on the uplink resource, thereby effectively solving a problem of uplink ACK / NACK resource conflict in uplink and downlink asymmetric frequency spectrums.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and system for selecting resources. Background technique [0002] With the rapid development of smart terminals and mobile Internet, mobile data traffic is also growing rapidly. According to ITU-RM.2443 report, from 2010 to 2015, the global mobile data traffic will increase by 15 to 30 times. The surge in mobile data traffic will cause network capacity to gradually become a bottleneck and bring great challenges to operators. On the other hand, the mobile data service is characterized by unbalanced uplink and downlink traffic, and different services have different proportions of uplink and downlink traffic. The uplink and downlink traffic ratios of different services are shown in Table 1. The forecast of 5G mobile data by the IMT-2020 (5G) working group is shown in Table 2. [0003] business type Average comparison of upstream / downstream traffic o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/16H04L5/00
Inventor 朱剑驰佘小明陈鹏杨峰义毕奇
Owner CHINA TELECOM CORP LTD
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