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Apparatus and method in a wireless communication system

A wireless communication system and a technology for controlling information, applied in the field of devices in wireless communication systems, can solve problems such as waste of resources and many idle REs, and achieve the effect of improving utilization

Inactive Publication Date: 2018-12-18
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the number of transmit beams and receive beams participating in beam scanning increases, there will be more and more idle REs, resulting in a large waste of resources

Method used

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  • Apparatus and method in a wireless communication system
  • Apparatus and method in a wireless communication system
  • Apparatus and method in a wireless communication system

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Embodiment Construction

[0031] Exemplary embodiments of the present disclosure will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be understood, however, that in developing any such practical embodiment, many implementation-specific decisions must be made in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and those Restrictions may vary from implementation to implementation. Moreover, it should also be understood that development work, while potentially complex and time-consuming, would at least be a routine undertaking for those skilled in the art having the benefit of this disclosure.

[0032] Here, it should be noted that in order to avoid obscuring the present disclosure due to unnecessary details, only the device structure and / or processing steps closely related to the solu...

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Abstract

An apparatus and method in a wireless communication system are disclosed. The apparatus includes processing circuitry configured to determine idle resource elements in a P2 process and / or a P3 process, based on channel state information-reference signal CSI-RS mapping structure, wherein only transmitting beam scanning is performed in the P2 process and only receiving beam scanning is performed inthe P3 process, and the idle resource elements refer to a number of idle resource elements that are not occupied by CSI-RS in OFDM symbols occupied by CSI-RS ; and control the base station to transmitdata and / or control information to the user equipment using the idle resource element when performing the P2 process and / or the P3 process. According to at least one aspect of an embodiment of the present disclosure, resource utilization may be improved.

Description

technical field [0001] The present disclosure generally relates to the technical field of wireless communication, and more particularly, relates to a device and a method in a wireless communication system capable of improving the utilization rate of idle time-frequency resources in a beam scanning process. Background technique [0002] Two mainstream channel state information-reference signal (CSI-RS) mapping structures currently proposed are respectively applicable to the beam scanning function and the CSI feedback function. [0003] As the number of antenna ports in new wireless multiple-input multiple-output (NR MIMO) systems increases, the number of transmit and receive beams participating in beam scanning increases. Therefore, in high-load and high-speed mobile scenarios, beam scanning may consume a lot of system resources. In the existing CSI-RS mapping structure for the beam scanning function, there are unused idle resource elements (REs). As the number of transmit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L27/26H04W28/02H04W72/04H04W72/54
CPCH04L1/0026H04L27/261H04W28/0263H04W72/046H04W72/53H04W72/20H04L1/00H04W28/02H04W72/04H04B7/088H04B7/0695H04L5/0048H04L5/0044H04L5/0023H04L5/0091H04B7/0626H04B7/0802H04L5/001H04W72/044H04W72/23H04W72/542
Inventor 徐瑨李东儒杨航何超男陶小峰曹建飞
Owner SONY CORP