Information transmission method and device

A technology for information transmission and terminal equipment, applied in the field of communication, can solve problems such as system performance loss and inapplicability, and achieve the effect of avoiding discomfort, flexible use time, and improving system performance

Active Publication Date: 2019-11-12
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the precoding configuration in the antenna transmission parameters is sensitive to the channel, that is, the precoding configuration at a certain moment may not be applicable to another moment, if at this During the validity period of license-free transmission resources, the same precoding configuration is used, which will cause serious system performance loss

Method used

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  • Information transmission method and device
  • Information transmission method and device

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Embodiment Construction

[0082] The information transmission method, terminal device, and access network device provided by the following embodiments of the present application can be applied to 5G NR communication technology or the evolution communication technology of any other communication technology.

[0083] figure 1 It is a structural diagram of a communication system applicable to the embodiment of the present application. The methods provided by the following embodiments of the present application can be applied to figure 1 In the communication system shown. Such as figure 1 As shown, the communication system includes at least one access network device 101 . Each access network device 101 serves at least one terminal device 102 through a wireless interface.

[0084] It should be noted that for figure 1 The number of access network devices 101 included in the shown communication system and the number of terminal devices 102 served by each access network device 101 are deployed according t...

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Abstract

The embodiment of the invention provides an information transmission method and equipment. The method comprises the steps: receiving at least one precoding configuration from access network equipment,starting a timer, and transmitting uplink information to the access network equipment through employing the at least one precoding configuration on an unlicensed time-frequency resource in the effective duration of the timer. The embodiments of the present application can effectively avoid the inadaptation of precoding configuration caused by channel changes, thereby improving system performance.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to an information transmission method and device. Background technique [0002] The 5th Generation Mobile Communication (5G for short) New Radio Access Technology (NR for short) is committed to supporting higher system performance, supporting different services, different deployment scenarios and different spectrums . [0003] In order to achieve low-latency and high-reliability service transmission, terminal equipment and access network equipment can transmit uplink information in an unlicensed transmission mode. When the terminal device and the access network device use multiple antennas for transmission during license-free transmission, the access network device also needs to configure antenna transmission parameters when configuring license-free time-frequency resources for the terminal device. During the validity period of the configu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/0456H04W72/04
CPCH04B7/0456H04W72/51H04B7/063H04B7/0623H04B7/088H04W72/23H04B7/0486H04B7/0639H04W72/0446H04W72/0453
Inventor 柴晓萌吴艺群王磊陈雁
Owner HUAWEI TECH CO LTD
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