Method and device for indicating and determining time slot structure

An indication and time slot technology, which is applied to the separation device of the transmission path, pilot signal allocation, signaling allocation, etc., and can solve the problem of no clear plan for the slot.

Inactive Publication Date: 2019-01-01
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the deficiency of the existing technology is that there is currently no clear solution on how to indicate the structure of the slot

Method used

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  • Method and device for indicating and determining time slot structure
  • Method and device for indicating and determining time slot structure
  • Method and device for indicating and determining time slot structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0198] It is assumed that the possible areas included in the slot include: uplink area, downlink area, unknown area, empty area, GP area, etc. The base station carries slot structure indication information through the group common PDCCH, and notifies the structure information of one or more slots. Any combination of the regions may be included in the slot, and at least one of the above regions may be included.

[0199] For example, there is only an uplink area in a slot, or there is only a downlink area in a slot, or there is only an unknown area in a slot, or there is only an empty area in a slot, or there is only a GP area in a slot. When a certain area is included in the slot, at least one OFDM symbol is included in the corresponding area. If the slot contains both the downlink area and the uplink area, the downlink area is located before the uplink area.

[0200] It should be noted that if the slot contains an unknown area, the location of the unknown area can be as foll...

Embodiment 2

[0217] The base station configures the effective time of the slot structure indication information notified by the group common PDCCH through high-level signaling. For example, the high-layer signaling configures the valid time to be N slots, and after receiving the slot structure indication information indicated by the group common PDCCH, the terminal considers that the structures of the next N slots are the same as the slot structure indicated by the indication information.

[0218] Alternatively, the effective time of the slot structure indication information indicated by the group common PDCCH is before the next correct reception of the group common PDCCH.

Embodiment 3

[0220] The group common PDCCH needs to indicate the structure information of N slots. Specifically, the group common PDCCH includes N indication information fields, respectively indicating the structure information of N slots. For example, if the structure information indicating each slot requires 3 bits of information, then the group common PDCCH needs to carry 3*N bits of information.

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Abstract

The invention discloses a method and device for indicating and determining a time slot structure. The method comprises the steps that a base station determines the structure in a time slot; the base station indicates the structure in the time slot to a terminal in a dynamic or semi-static mode; the structure, which is indicated by the base station to the terminal in the dynamic or semi-static mode, in the time slot is received; and the terminal determines the structure of one or more time slots according to the indicated time slot structure. By adopting the method disclosed by the invention, the time slot structure supported by the mobile communication system is enabled to be more flexible and diversified when the system needs to provide lower network time delay and support more abundant service types in the future.

Description

[0001] This application claims the priority of the Chinese patent application submitted to the China Patent Office on June 23, 2017, with the application number 201710486790.2, and the title of the invention is "a method and device for indicating and determining the time slot structure", the entire content of which is incorporated by reference incorporated in this application. technical field [0002] The invention relates to the technical field of wireless communication, in particular to a method and device for indicating and determining a time slot structure. Background technique [0003] The mobile Internet is subverting the traditional mobile communication business model, providing users with unprecedented experience, and profoundly affecting all aspects of people's work and life. The mobile Internet will promote the further upgrading of information interaction methods in human society, and provide users with richer business experiences such as augmented reality, virtual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/12H04L5/00
CPCH04L5/0007H04L5/0048H04L5/0053H04W72/0446H04W72/23H04L5/0094H04W72/121H04W72/53H04W72/535
Inventor 王磊托尼
Owner DATANG MOBILE COMM EQUIP CO LTD
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