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Resource processing method and apparatus

A resource processing and resource location technology, applied in the field of resource processing methods and devices, can solve problems such as terminal equipment failing to detect a common search space, unable to receive downlink control information, etc., and to reduce blind detection times, improve speed, and reduce complexity. degree of effect

Active Publication Date: 2018-10-09
HUAWEI TECH CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The present application provides a resource processing method and device, which are used to solve the problem that terminal equipment in some directions cannot detect the complete common search space when beamforming technology is applied to the existing communication system, and thus cannot receive The problem of downlink control information in the search space

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  • Resource processing method and apparatus
  • Resource processing method and apparatus
  • Resource processing method and apparatus

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Embodiment approach

[0339] In one embodiment, the network device 10 directly notifies the terminal device 20 of the resource position information occupied by the common search space on the frequency domain resource corresponding to each symbol. The resource location information of the public search space is the location information of the CCE or REG occupied by the public search space. At this time, the public search space can occupy the same 16 CCEs as in the LTE protocol, and the aggregation level can be 4 or 8. The terminal device 20 obtains the DCI carried in the common search space through at most 6 times of blind detection according to the location information of the CCE. The public search space can also occupy other numbers of CCEs and set other aggregation levels according to actual needs, which is not limited in this application. By directly sending the resource location information of the public search space to the terminal device, the terminal device can directly determine the public ...

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Abstract

The application provides a resource processing method and apparatus. The method includes steps: a network device determines at least two to-be-transmitted beams; the network device determines a time frequency resource corresponding to each beam in the at least two beams; and the network device determines a part of the time frequency resource as a public search space in the time frequency resourcecorresponding to each beam, and the part of the time frequency resource, corresponding to the public search space, is used for carrying control information transmitted to a terminal device. Accordingto the embodiment of the resource processing method and apparatus, each terminal device can detect the complete public search space when the terminal devices are distributed in different directions. Besides, the network device transmits at least two beams in a time range corresponding to one subframe so that the network device can transmit more beams in one subframe without increasing RF links, and the coverage is increased.

Description

technical field [0001] The present application relates to communication technologies, and in particular to a resource processing method and device. Background technique [0002] In the beamforming technology, a higher antenna array gain can be achieved by controlling a radio frequency (Radio frequency, RF) link to spatially send a beam towards a specific direction. Therefore, beamforming technology has become a research hotspot for reducing loss during communication transmission. However, in the beamforming technology, within a time range corresponding to an Orthogonal Frequency Division Multiplexing (OFDM) symbol, a beam generated by an RF link can only face one direction. That is, within the time range corresponding to one symbol, one RF link cannot transmit beams in two directions. [0003] In a communication system, before receiving or sending data, a terminal device needs to acquire downlink control information carried in a common search space configured for the termi...

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Application Information

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IPC IPC(8): H04L5/00H04W72/12
CPCH04L5/001H04L5/0037H04L5/0044H04L5/0053H04L5/0078H04W72/23H04L5/0023H04L5/0094H04L1/0038H04B7/0695H04W16/28H04W72/0446H04W72/0453H04W72/1273
Inventor 管鹏唐小勇陈磊
Owner HUAWEI TECH CO LTD