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Uplink resource authorization method, device and system

A resource and authorization information technology, applied in the field of uplink resource authorization method, device and system, can solve the problem of high power consumption and the like

Pending Publication Date: 2019-01-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the terminal needs to perform a large number of blind detections, resulting in high power consumption

Method used

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  • Uplink resource authorization method, device and system
  • Uplink resource authorization method, device and system
  • Uplink resource authorization method, device and system

Examples

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Embodiment Construction

[0055] In the following, some terms used in the embodiments of the present application are explained, so as to facilitate the understanding of those skilled in the art.

[0056] 1) Terminal, also known as user equipment (UE), mobile station (MS), mobile terminal (MT), etc., is a device that provides voice and / or data connectivity to users devices, such as handheld devices with wireless connectivity, vehicle-mounted devices, etc. At present, examples of some terminals are: mobile phone (mobile phone), tablet computer, notebook computer, palmtop computer, mobile internet device (mobile internet device, MID), wearable device, virtual reality (virtual reality, VR) device, augmented reality ( Augmented reality (AR) equipment, wireless terminals in industrial control, wireless terminals in selfdriving, wireless terminals in remote medical surgery, wireless terminals in smart grid , wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in ...

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Abstract

The invention relates to an uplink resource authorization method. The method includes the following steps that: a terminal receives configuration information from a network device, wherein the configuration information contains the information of first uplink resources and second uplink resources; and the terminal searches for a downlink control channel in a search space so as to obtain authorization information, the search space includes a first control channel candidate set when the downlink control channel carries the authorization information of a first (or second) uplink resource, and includes a second control channel candidate set when the downlink control channel carries the authorization information of the second (or first) uplink resource and / or the authorization information of downlink resources, wherein the first control channel candidate set and the second control channel candidate set are identical, or the first control channel candidate set deviates with respect to the second control channel candidate set, and the number of control channel candidates in the first control channel candidate set is smaller than the number of control channel candidates in the second control channel candidate set. According to the method, the search space is shared or the number of control channel candidates when the downlink control channel carries the authorization information of theuplink resources is reduced, and therefore, the number of the times of blind detection of the terminal can be decreased.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular to a method, device and system for granting uplink resources. Background technique [0002] With the continuous growth of smart terminal users, user traffic and data throughput continue to increase, and the demand for spectrum resources is also increasing. However, due to the shortage of wireless spectrum resources, it is difficult to find continuous large-bandwidth resources for mobile communications. Therefore, Carrier Aggregation (CA) technology is introduced to aggregate multiple continuous or discontinuous spectrum resources (for example, carriers) It is used to meet the demand of mobile communication for large bandwidth, and also improves the utilization rate of scattered spectrum. [0003] Currently, in the CA technology, the terminal can support the aggregation of multiple carriers, where the number of uplink carriers is not greater ...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L1/00H04L5/00
CPCH04L1/0038H04L5/0098H04W72/0453H04W72/23H04L1/0045H04L1/0072H04L5/0005H04L5/0053H04L5/0096H04L27/2601H04L5/001H04W72/53H04W72/1268
Inventor 刘哲唐浩汪凡周国华
Owner HUAWEI TECH CO LTD
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