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Data channel parameter configuration method and device

A parameter configuration method and data channel technology, applied in the field of physical layer signaling configuration method and device, can solve the problems of large DCI overhead, etc., to solve the problem of large DCI overhead, lower signaling overhead utilization rate, and high signaling overhead utilization rate Effect

Active Publication Date: 2022-03-01
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The present invention provides a data channel parameter configuration method and device to at least solve the problem of large DCI overhead in the related art

Method used

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  • Data channel parameter configuration method and device
  • Data channel parameter configuration method and device

Examples

Experimental program
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Embodiment 1

[0070] This embodiment specifically describes the present invention from the aspect of resource allocation signaling configuration. Commonly used resource allocation methods are as follows:

[0071] 1. Discontinuous resource allocation: divide the resource blocks of the system bandwidth into resource groups in order according to the size of the resource block number, from low to high, and divide each P resource block (Resource block, RB) into a resource block group , the resource block numbers contained in each resource block group are different from each other, the number of resource blocks contained in the last resource block group is not greater than P, and these resource block groups (Resource block group, RBG) are numbered sequentially from 0. Use bitmap to indicate the allocation of each resource block group (n consecutive bits, each bit corresponds to a resource group, 1 indicates allocation, 0 indicates no allocation);

[0072] 2. Continuous resource allocation: Any co...

Embodiment 2

[0103] This embodiment specifically describes the present invention from the aspect of demodulation reference signal configuration. NR's data channel reference demodulation pilot has multiple configurations, including:

[0104] Port multiplexing mode configuration; for example, frequency division multiplexing mode, time division multiplexing mode, time domain code division multiplexing mode, frequency domain code division multiplexing mode, time frequency domain code division multiplexing mode, etc.

[0105] Symbol number configuration; such as one symbol or two symbols.

[0106] Port numbering configuration; such as the port numbering scheme.

[0107] The configuration of the pattern density; for example, the density is port 2, 3, 6RE / RB / port.

[0108] Additional demodulation pilot configuration: there is or is no additional demodulation pilot.

[0109] Pilot Power Configuration: The relative power of pilot REs and data REs.

[0110] When configuring these parameters, the...

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Abstract

The present invention provides a method and device for configuring data channel parameters. The method includes: determining a configurable parameter state set corresponding to data channel parameters according to the first type of information, wherein the first type of information includes at least one of the following: business type, downlink control information parameters, channel type, physical broadcast channel information, and synchronization signal information; select the parameter state to be used from the configurable parameter state set. Through the present invention, the DCI overhead is reduced by using some differentiated information that can be obtained in advance, thereby solving the problem of large DCI overhead, and further achieving the effect of higher utilization rate of the physical layer signaling overhead.

Description

technical field [0001] The present invention relates to the communication field, in particular to a physical layer signaling configuration method and device. Background technique [0002] In the wireless communication system, the downlink physical layer control channel (Physical Downlink Control Channel, PDCCH) plays a very important role. The control information of the physical layer is mainly used for: (1) sending downlink scheduling information (DLAssignment) to the UE so that the UE can receive the downlink Data channel, in addition to carrying data, the data channel can also carry some high-level signaling messages; (2) Send uplink scheduling information (UL Grant) to UE so that UE can send uplink data channel; (3) Send aperiodic CQI report request ; (4) notify MCCH changes; (5) send uplink power control command; (6) HARQ (Hybrid Automatic Repeat reQuest) related information; (7) carry RNTI: this information is implicitly included in the CRC and so on. [0003] The inf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04W72/04
CPCH04L5/0005H04L5/0048H04L5/0057H04W72/0446H04W72/0453H04W72/23
Inventor 陈艺戬鲁照华李儒岳吴昊
Owner ZTE CORP
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