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Method and device for determining physical hybrid automatic repeat request indication channel resource

An automatic retransmission request and physical mixing technology, applied in the field of communication, can solve the problem of waste of transmission resources

Active Publication Date: 2020-04-14
HONOR DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the minimum resource allocation unit for voice services in the LTE system is a resource block pair, resulting in waste of transmission resources

Method used

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  • Method and device for determining physical hybrid automatic repeat request indication channel resource
  • Method and device for determining physical hybrid automatic repeat request indication channel resource
  • Method and device for determining physical hybrid automatic repeat request indication channel resource

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0108] Figure 4 It is a flow chart of Embodiment 1 of the method for determining PHICH resources in the present invention. An embodiment of the present invention provides a method for determining PHICH resources, the method is applied to PHICH resource allocation of less than 1 ms TTI in the LTE system, the method can be performed by a device for determining PHICH resources, and the device can use hardware and / or software methods To implement, the apparatus may be integrated in, for example, a base station or user equipment. Such as Figure 4 As shown, the method includes:

[0109] S401. Determine a time slot for transmitting uplink data.

[0110] Specifically, the time slot of the uplink data sent by the user equipment itself is known; and the base station may also obtain the time slot of the uplink data after receiving the uplink data sent by the user equipment.

[0111] S402. Determine the PHICH resource used by the response information corresponding to the uplink data...

Embodiment 2

[0138] Different from Embodiment 1, the method for determining PHICH resources in this embodiment of the present invention introduces the minimum F-PRB identifier in the minimum PRB index used by uplink data in the first time slot of the time slot.

[0139] Figure 5 It is a flow chart of Embodiment 2 of the method for determining PHICH resources in the present invention. An embodiment of the present invention provides a method for determining PHICH resources. The method is applied to the scenario of introducing F-PRB when allocating PHICH resources in an LTE system. The method can be performed by a device for determining PHICH resources. The device can use hardware and / or or software, and the apparatus may be integrated in, for example, a base station or user equipment. Such as Figure 5 As shown, the method includes:

[0140] S501. Determine a time slot for transmitting uplink data.

[0141] S502. Determine the response corresponding to the uplink data according to the n...

Embodiment 3

[0157] Since the existing technology determines the PHICH resource according to the minimum PRB index used by the eNB in ​​the corresponding scheduling grant for the data transmission of the user equipment in the first time slot and the DM-RS offset calculation indicated in the DCI, in addition, The application scenario of the embodiment of the present invention is set such that the subframes and minimum PRB indexes corresponding to different user equipments are the same. Therefore, in the third embodiment, the DM-RS offset is set in advance to avoid using different time slots or different F - PHICH resource conflicts of user equipments with the same PRB but the same minimum PRB index.

[0158] Figure 6 It is a flow chart of Embodiment 3 of the method for determining PHICH resources in the present invention. An embodiment of the present invention provides a method for determining PHICH resources, which is applied to the PHICH resource allocation of less than 1 ms TTI in the ...

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Abstract

Embodiments of the present invention provide a method and apparatus for determining physical hybrid automatic repeat request indicator channel resources, applied to scenarios where PHICH resources of which a transmission interval is smaller than 1ms in an LTE system are allocated and / or an F-PRB is introduced when the PHICH resources are allocated. Transmission resources can be saved, and collisions of PHICH resources can also be avoided, such that PHICH resources used by different user equipments are independent mutually and do not interfere mutually.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a method and an apparatus for determining physical hybrid automatic repeat request indicator channel (Physical Hybrid Automatic Repeat Request Indicator Channel, PHICH for short) resources. Background technique [0002] Enhanced Voice Service (Enhanced Voice Service, EVS for short) is a next-generation speech coding scheme of the Third Generation Partnership Project (Third Generation Partnership Project, 3GPP for short). Through the enhancement of speech coding technology, EVS, compared with traditional speech services, assuming that there is no filling bit, the Media Access Control Packet Data Unit (Media Access Control Packet Data Unit, referred to as: MAC) corresponding to the speech frame generated by EVS at the same time PDU) size is much smaller than the MAC PDU size corresponding to the traditional voice service. [0003] Since the MAC PDU used by EV...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04W72/04
Inventor 张屹唐臻飞魏冬冬
Owner HONOR DEVICE CO LTD