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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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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a DCI transmission method, UE and network side equipment to solve the problem that the blind detection complexity of UE receiving DCI will be very high, and the UE consumes high power

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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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Embodiment Construction

[0085] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0086] see figure 1 , figure 1 A schematic diagram of the network structure provided for the embodiment of the present invention, such as figure 1 As shown, it includes UE11 and network equipment 12, wherein UE11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (personal digital assistant, PDA for short), a mobile Internet device ( Mobile Internet Device, MID) or wearable device (Wearable Device) and other terminal-side devices. It should be noted that the specific type of UE11 is not limited in this embodiment of the present invention. UE11 can establish communication with network device 12, wherein the network in the figure can indicate that UE11 establishes communi...

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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...

Claims

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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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