DCI transmission method, UE and network side device

A technology of network side equipment and transmission method, applied in the field of user terminal and network side equipment, downlink control information transmission method, can solve the problems of high power consumption of UE and high complexity of blind detection

Active Publication Date: 2018-07-13
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to provide a DCI transmission method, UE and network side equipment to so

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  • DCI transmission method, UE and network side device
  • DCI transmission method, UE and network side device
  • DCI transmission method, UE and network side device

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[0085] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0086] See figure 1 , figure 1 It is a schematic diagram of a network structure provided by an embodiment of the present invention, such as figure 1 As shown, UE11 and network equipment 12 are included. Among them, UE11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (PDA), a mobile Internet device ( For terminal side devices such as Mobile Internet Device (MID) or Wearable Device (Wearable Device), it should be noted that the specific type of UE11 is not limited in the embodiment of the present invention. The UE11 can establish communication with the network device 12. The network in the figure can indicate that the UE11 and the network device 12 wirel...

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Abstract

The invention provides a DCI transmission method, UE, and a network side device. The method comprises the following steps: the UE receives and parses first partial control information contained in theDCI by using a blind detection PDCCH, wherein the first partial control information comprises a fixed information domain, and the information domain comprises receiving information of second partialcontrol information contained in the DCI; and the UE receives and parses the second partial control information according to the receiving information. By adoption of the embodiment of the invention,the blind detection complexity of the UE receiving the DCI can be reduced, and the power consumption of the UE can be reduced.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a downlink control information (Downlink Control Information, DCI) transmission method, a user terminal (UE, User Equipment) and network side equipment. Background technique [0002] In the current Long Term Evolution (LTE) system, different transmission modes and different transmission directions have different downlink control information (Downlink Control Information, DCI) formats (formats). In addition, in order to adapt to different channel conditions, different aggregation levels (Aggregation Level, AL) are introduced. The UE needs to use different ALs to blindly detect all physical downlink control channels ( Physical Downlink Control Channel, PDCCH) candidate (candidate) resources. However, in future wireless communication systems, there will be more diverse service types and scenarios to be supported. [0003] In order to ensure the diversity of t...

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Application Information

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IPC IPC(8): H04L5/00H04W72/04
CPCH04L5/0053H04W72/23H04L5/00H04W72/04
Inventor 王磊艾托尼潘学明
Owner DATANG MOBILE COMM EQUIP CO LTD
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