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A method and device for determining channel geographic type

A technology for determining the device and type, applied in the computer field, can solve the problems that the geographical characteristics of the transmission channel cannot be further identified, the geographical characteristics of the channel are not considered, and the data transmission throughput is affected, so as to achieve the effect of easy implementation and improved throughput

Active Publication Date: 2018-12-04
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in addition to CQI and RI, the geographical characteristics of the channel, such as line-of-sight or non-line-of-sight channels, will also have a greater impact on the data transmission performance of the channel. Consider the geographical characteristics of the channel
Therefore, based on the existing technology, the base station (eNB) only performs RRM operations such as transmission mode switching based on CQI and RI, but cannot further identify the geographical characteristics of the transmission channel and adopt corresponding RRM-related strategies, thereby affecting the data in the current channel. Transfer throughput

Method used

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  • A method and device for determining channel geographic type
  • A method and device for determining channel geographic type

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Embodiment approach

[0076] According to a preferred embodiment of the present invention, the method further includes step S3 (not shown in the figure).

[0077] In step S3, the determining means determines one or more handover parameters used in the transmission handover operation according to the channel geography type, so as to perform one or more UEs based on the one or more handover parameters Transport toggle operation.

[0078] Preferably, the handover parameters include channel quality related parameters and / or RI parameters and the like.

[0079] Preferably, the channel quality related parameters include SINR.

[0080] Wherein, the transmission switching operation includes but is not limited to at least any of the following:

[0081] 1) Switching between single data stream transmission and dual data stream transmission;

[0082] 2) Switching between transmission modes.

[0083] For example, the switching parameters include the SINR threshold for switching between TM3 mode and TM8 / TM9 ...

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Abstract

The object of the invention is to provide a method and apparatus for determining a channel geographical type. The method according to the invention comprises the steps of: obtaining power indication information corresponding to a current transmission channel, wherein the power indication information is used for indicating scattering degree of a signal; determining a corresponding channel geographical type based on the power indication information, wherein the channel geographical type is used to indicate the geographic information where the signal is transmitted.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a method and device for determining channel geographic type. Background technique [0002] In the prior art, the wireless propagation environment has an important influence on wireless communication. Long Term Evolution (LTE) defines some measurement parameters in related protocols to determine the wireless propagation environment. Among them, LTE mainly defines Channel Quality Indication (CQI) and Rank Indication (RI), CQI mainly reflects Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio, SINR), RI mainly reflects The spatial degree of freedom of downlink transmission is improved. [0003] Many downlink radio resource management (Radio Resource Management, RRM) algorithms manage radio resources based on CQI and RI fed back from user equipment (User Equipment, UE), such as switching between transmission modes, or single Switching betwee...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/309H04B17/382
Inventor 王勇蒋智宁吕星哉
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD