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Unlicensed frequency band uplink signal multiplexing sending method and device

An unlicensed frequency band and signal multiplexing technology, which is applied in the field of communication, can solve problems such as unspecified combination or multiplexing, and achieve the effect of enhancing system efficiency and robustness and reducing overhead

Active Publication Date: 2020-01-03
CHINA ACADEMY OF INFORMATION & COMM
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The process of determining how to combine or multiplex the data of the two time slots at this time is not given in the prior art

Method used

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  • Unlicensed frequency band uplink signal multiplexing sending method and device
  • Unlicensed frequency band uplink signal multiplexing sending method and device
  • Unlicensed frequency band uplink signal multiplexing sending method and device

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and examples.

[0024] An embodiment of the present application provides an unlicensed frequency band uplink signal multiplexing transmission method, by separately analyzing the physical uplink control channel (Physical Uplink Control CHannel, PUCCH) information of the current time slot and the physical uplink shared channel (Physical UplinkShared Channel, PUSCH) information is combined, and physical resources are allocated to realize the multiplexing transmission of PUCCH / PUSCH in the unlicensed frequency band. While minimizing downlink control channel overhead, this solution supports multiple PUCCH / PUSCH joint transmissions, thereby enhancing the system efficiency and robustness of NR deployment in unlicensed frequency bands.

[0025] The unlicensed...

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Abstract

The invention provides an unlicensed frequency band uplink signal multiplexing sending method and device. The unlicensed frequency band uplink signal multiplexing sending method comprises the steps: combining K pieces of PUCCH information into one piece of PUCCH information if the current time slot needs to send K pieces of PUCCH information; if the current time slot needs to send N pieces of PUSCH information, combining the N pieces of PUSCH information into one piece of PUSCH information; calculating available physical resources of the current time slot, and respectively allocating the available physical resources to the combined PUCCH information and PUSCH information; and sending the PUCCH information by using the physical resources allocated to the PUCCH information according to a preset rule, and sending the PUSCH information by using the physical resources allocated to the PUSCH information. The unlicensed frequency band uplink signal multiplexing sending method can enhance thesystem efficiency and robustness of the NR during unauthorized frequency band deployment.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for multiplexing and sending uplink signals in an unlicensed frequency band. Background technique [0002] 5G has now become the latest generation of mobile communication technology, and various extended applications based on 5G will gradually flourish. [0003] An important application of 5G is the use of unlicensed frequency bands. For the unlicensed frequency band, relative to the licensed frequency band, the coexistence and use of various wireless systems need to be considered. [0004] Typical applications in unlicensed frequency bands such as Wifi, LTE-based LAA technology, etc. In order to allow multiple technologies to coexist harmoniously, regulatory agencies in various countries adopt mandatory listen-before-transmit technology (LBT) for the use of unlicensed frequency bands, that is, data can only be sent when the current channel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04L5/00H04L1/18
CPCH04W72/0453H04W72/0446H04L1/1861H04L5/0055H04W72/23
Inventor 刘晓峰王志勤
Owner CHINA ACADEMY OF INFORMATION & COMM
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