Method for reporting channel state information of terminal in wireless communication system and device using the method

a wireless communication system and terminal technology, applied in the field of wireless communication, can solve the problems of limited number of aperiodic csi reports that may be transmitted over one uplink data channel, and the inability of the csi process to update, so as to prevent the waste of user equipment capability and efficiently perform the csi report

Active Publication Date: 2018-08-16
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical effect of this patented technology is that when two different types of data are sent from one device to another, if there are many requests for processing at once, they can update their capabilities accordingly without wasting resources or causing delays. This helps improve efficiency and reduce costs associated with reporting on both types of data simultaneously.

Problems solved by technology

This patent describes a technical problem where there is a limitation in efficiently updating a large amount of periodic CSI reporting from devices without exceeding their capabilities.

Method used

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  • Method for reporting channel state information of terminal in wireless communication system and device using the method
  • Method for reporting channel state information of terminal in wireless communication system and device using the method
  • Method for reporting channel state information of terminal in wireless communication system and device using the method

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Embodiment Construction

[0029]The following technology can be used in a variety of multiple access schemes, such as Code Division Multiple Access (CDMA), Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Orthogonal Frequency Division Multiple Access (OFDMA), and Single Carrier-Frequency Division Multiple Access (SC-FDMA). CDMA can be implemented using radio technology, such as Universal Terrestrial Radio Access (UTRA) or CDMA2000. TDMA can be implemented by radio technology, such as Global System for Mobile communications (GSM) / General Packet Radio Service (GPRS) / Enhanced Data Rates for GSM Evolution (EDGE). OFDMA can be implemented by radio technology, such as IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, or Evolved UTRA (E-UTRA). IEEE 802.16m is the evolution of IEEE 802.16e, and it provides backward compatibility with a system based on IEEE 802.16e. UTRA is part of a Universal Mobile Telecommunications System (UMTS). 3rd Generation Partnership Project (3GPP) Long

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Abstract

Provided are a method for reporting channel state information of a terminal in a wireless communication system and a device using the method. A terminal receives at least one or more A-CSI request message that triggers aperiodic CSI reports for a plurality of CSI processes of a first cell, and as a response to the at least one or more A-CSI request message, updates at least one of the plurality of CSI processes that were triggered, wherein, if a CSI process capability is defined as the maximum number of CSI processes that the terminal may operate for a specific cell, and if the CSI process capability for the first cell is less than the number of the triggered aperiodic CSI reports, and the CSI process capability for a second cell is more than the number of aperiodic CSI reports triggered for the second cell, the residual CSI process capability for the second cell is used for updating the CSI process for the first cell.

Description

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Claims

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Application Information

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Owner LG ELECTRONICS INC
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