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A data processing method, base station and user equipment

A technology of user equipment and processing method, applied in digital transmission systems, using return channels for error prevention/detection, error prevention, etc., can solve problems such as longer time when users cannot be scheduled, waste of air interface resources, and inability to schedule SCCs.

Active Publication Date: 2018-07-03
SHANGHAI HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Step 4: Since the inter-station transmission delay is 4 milliseconds, it takes 4 milliseconds for the feedback information to be fed back to the SCC. In the 8th, 9th, and 10th milliseconds, because there is no available HARQ process, the SCC cannot schedule
Therefore, in the existing technical solution, as the inter-station transmission delay increases, the waiting time of the HARQ process will become longer, and the time that users cannot be scheduled will also be longer, which will cause a waste of air interface resources

Method used

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  • A data processing method, base station and user equipment
  • A data processing method, base station and user equipment
  • A data processing method, base station and user equipment

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Embodiment Construction

[0088] Embodiments of the present invention provide a data processing method, a base station, and user equipment, which are used to realize full scheduling of UEs and multiplexing gain of HARQ processes when there is an inter-station transmission delay between base stations.

[0089] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0090] The terms "first", "second" and the like in the description and claims of the present invention and ...

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Abstract

The invention discloses a data processing method, a base station and a user equipment, which are used for inter-station transmission time delay to realize UE full scheduling and HARQ process multiplexing gain. The method includes: the first base station sends the first downlink grant and the first downlink data to the UE by using the first HARQ process in the first TTI, the first downlink data carries the first NDI including the first state; the first base station Use the second HARQ process in the second TTI to send the second downlink grant and the second downlink data to the UE, the second downlink data carries the second NDI including the second state; the first base station uses the first HARQ process in the third TTI to send The UE sends the third downlink grant and the third downlink data, the third downlink data carries the first NDI including the third state; the first base station uses the second HARQ process in the fourth TTI according to the NACK information included in the second feedback result to the UE Send the fourth downlink grant and the retransmitted second downlink data.

Description

technical field [0001] The present invention relates to the technical field of communications, and in particular to a data processing method, a base station, and user equipment. Background technique [0002] The Long Term Evolution (full name in English: Long Term Evolution, English abbreviation: LTE) network is gradually developing from independent sites one by one to mutual cooperation between sites. Common technologies include: joint transmission of two cells (English full name: joint transmission, English abbreviation: JT), single frequency networking (English full name: Single Frequency Network, English abbreviation: SFN), dynamic node selection (English full name: Dynamic Point Selection , English abbreviation: DPS), carrier aggregation (English abbreviation: Carrier Aggregation, English abbreviation: CA), coordinated scheduling power control (English abbreviation: Coordinated Scheduling-based Power Control, English abbreviation: CSPC), etc. [0003] An important basi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18H04W72/04H04W72/12H04W88/08
CPCH04L1/1806H04W72/1221H04W72/1273H04W88/08H04W72/27H04W72/23H04L1/18H04W72/04H04W72/12H04L1/1822H04L1/1887H04L1/1896H04L2001/0092H04L1/1812
Inventor 张振华胡钰舒沈磊
Owner SHANGHAI HUAWEI TECH CO LTD
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