Communication method, terminal equipment, and network equipment

• US 10,716,130 B2
• Filed: 02/05/2016
• Issued: 07/14/2020
• Est. Priority Date: 02/05/2016
• Status: Active Grant

• Current Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Original Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Inventors: Feng, Bin
• Primary Examiner(s): Pham, Chi H
• Assistant Examiner(s): Agureyev, Vladislav Y
• Application Number:
  US15/778,961
• Publication Number:
  US 20180352565A1
• Time in Patent Office: 1,621 Days
• Field of Search: None
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 1/189 Transmission or retransmission of more than one copy of a message
• CPC Class Codes: H04L 1/1896 ARQ related signaling
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 72/02 Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 72/1268 of uplink data flows
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network

Abstract

The embodiments of the application provide a communication method, terminal equipment, and network equipment. The method comprises: determining a first data transmission format used to generate first transmission version of uplink data; selecting, from a data resource pool, a first data transmission resource used to transmit the first transmission version; transmitting, to network equipment, a first scheduling configuration message containing information of the first data transmission resource and the first data transmission format; encoding and modulating, according to the first data transmission format, the uplink data, to generate the first transmission version; and transmitting, to the network equipment, by means of the first data transmission resource, the first transmission version, so as to facilitate the network equipment to receive, demodulate and decode, according to the first scheduling configuration message, the first transmission version. The embodiments of the invention can reduce communication latency without decreasing communication reliability.

Claims

1. A communication method, comprising:

determining a first data transmission format, the first data transmission format being used in generating a first transmission version of uplink (UL) data;

selecting a first data transmission resource from a data resource pool, the first data transmission resource being configured to transmit the first transmission version;

sending a first Scheduling Assignment (SA) message to network equipment, the first SA message containing information of the first data transmission resource and information of the first data transmission format;

coding and modulating the UL data according to the first data transmission format to generate the first transmission version; and

sending the first transmission version to the network equipment through the first data transmission resource to enable the network equipment to receive, demodulate and decode the first transmission version according to the first SA message.

2. The method as claimed in claim 1, further comprising:

sending a UL resource scheduling request to the network equipment, wherein the UL resource scheduling request is configured to request the network equipment to allocate a UL resource to the UL data and the resource scheduling request comprises information about an association relationship indicating that the resource scheduling request is associated with the first transmission version, or the first SA message is further configured to request the network equipment to allocate the UL resource to the UL data and the SA message comprises the information about an association relationship indicating that the SA message is associated with the first transmission version; and

responsive to reception of a UL resource allocation response sent by the network equipment, generating and sending a second transmission version of the UL data according to a second data transmission format and second data transmission resource indicated in the UL resource allocation response.

3. The method as claimed in claim 1, further comprising:

responsive to reception of a NACK message sent by the network equipment for the first transmission version of the UL data, determining a third data transmission format and selecting a third data transmission resource from the data resource pool, the third data transmission format being used in generating a third transmission version of the UL data and the third data transmission resource being configured to transmit the third transmission version;

sending a second SA message to the network equipment, the second SA message containing information of the third data transmission resource and information of the third data transmission format;

coding and modulating the UL data according to the third data transmission format to generate the third transmission version; and

sending the third transmission version to the network equipment through the third data transmission resource to enable the network equipment to receive, demodulate and decode the third transmission version according to the second SA message.

4. The method as claimed in claim 1, wherein

determining the first data transmission format comprises:

determining the first data transmission format used in generating each of the N first transmission versions, N being an integer equal to or greater than 2;

determining the first data transmission resource from the data resource pool comprises;

determining N first data transmission resources from the data resource pool, each of the N first data transmission resources being configured to transmit the first transmission version of the N first transmission versions corresponding to the first data transmission resource, wherein there are one to one correspondences between the N first data transmission resources and the N first transmission versions;

sending the first SA message to the network equipment comprises;

sending the first SA message to the network equipment, the first SA message indicating the first data transmission resource and first data transmission format corresponding to each of the N first transmission versions;

generating the first transmission version comprises;

generating each first transmission version according to the first data transmission format used in generating the first transmission version; and

sending the first transmission version to the network equipment comprises;

sending the N first transmission versions of the UL data through the N first data transmission resources respectively.

5. The method as claimed in claim 4, wherein

sending the first SA message to the network equipment comprises:

sending N first SA messages to the network equipment, wherein there are one to one correspondences between the N first SA messages and the N first transmission versions, and each first SA message is configured to indicate the first data transmission format and first data transmission resource for the first transmission version corresponding to the first SA message;

or

sending the first SA message to the network equipment comprises;

sending one first SA message to the network equipment, wherein the one first SA message indicates the first data transmission formats and first data transmission resources for the N first transmission versions.

6. The method as claimed in claim 1, wherein sending the first SA message to the network equipment comprises:

sending the first SA message to the network equipment through a transmission resource which is configured by the network equipment for the first SA message;

or

selecting a control transmission resource from a control resource pool, and sending the first SA message to the network equipment through the control transmission resource.

7. The method as claimed in claim 6, wherein before selecting the first data transmission resource from the data resource pool, the method further comprises:

receiving resource pool configuration information sent by the network equipment, the resource pool configuration information comprising configuration information of the data resource pool and configuration information of the control resource pool, wherein the data resource pool comprises the UL resource that is selectable for transmitting the first transmission version, and the control resource pool comprises a UL resource that is selectable for transmitting the SA message.

8. A communication method, comprising:

receiving a Scheduling Assignment (SA) message sent by terminal equipment, the SA message indicating a first data transmission format and first data transmission resource corresponding to a first transmission version of uplink (UL) data sent by the terminal equipment; and

receiving, demodulating and decoding the first transmission version of the UL data according to the first data transmission format and the first data transmission resource.

9. The method as claimed in claim 8, before receiving the SA message sent by the terminal equipment, further comprising:

configuring a data resource pool to the terminal equipment, the data resource pool comprising a UL resource that is selectable by the terminal equipment for transmitting the first transmission version; and

configuring a control resource pool for the terminal equipment, the control resource pool comprising a UL resource that is selectable by the terminal equipment for transmitting the SA message, or configuring the UL resource for the terminal equipment to transmit the SA message.

10. The method as claimed in claim 8 or 9, further comprising:

receiving a UL resource scheduling request sent by the terminal equipment, wherein the UL resource scheduling request is configured to request a network equipment to allocate a UL resource to the UL data and the resource scheduling request comprises information about an association relationship indicating that the resource scheduling request is associated with the first transmission version, or the SA message is further configured to request the network equipment to allocate the UL resource to the UL data and the SA message comprises the information about an association relationship indicating that the SA message is associated with the first transmission version;

responsive to the condition that the first transmission version is not received or the first transmission version is failed to be demodulated or decoded, allocating a second data transmission resource to the UL data and determining a second data transmission format; and

sending a UL resource allocation response to the terminal equipment, wherein the UL resource allocation response indicates the second data transmission resource and the second data transmission format to enable the terminal equipment to generate a second transmission version of the terminal equipment according to the second data transmission resource and the second data transmission format.

11. The method as claimed in claim 10, further comprising:

responsive to successful decoding of the first transmission version of the UL data, sending an Acknowledge (ACK) message to the terminal equipment, and neglecting the UL resource scheduling request.

12. The method as claimed in claim 8, further comprising:

responsive to the condition that the first transmission version is not received or the first transmission version is failed to be demodulated or decoded, sending a Non-Acknowledge (NACK) message to the terminal equipment.

13. The method as claimed in claim 8, wherein a first SA message indicates a first data transmission format and first data transmission resource corresponding to each of N first transmission versions of the UL data sent by the terminal equipment, N being an integer equal to or greater than 2;

and

receiving, demodulating and decoding the first transmission version comprises;

receiving, demodulating and decoding the N first transmission versions according to the first data transmission format and first data transmission resource corresponding to each of the N first transmission versions.

14. The method as claimed in claim 13, wherein receiving, demodulating and decoding the first transmission version of the UL data comprises:

decoding each first transmission version independently or jointly decoding the N first transmission versions.

15. The method as claimed in claim 14, further comprising:

if each first transmission version is decoded independently and at least one of the N first transmission versions is successfully decoded, sending the ACK message to the terminal equipment; and

if each first transmission version is decoded independently and none of the N first transmission versions is successfully decoded, sending a NACK message or a UL resource allocation message to the terminal equipment, the NACK message comprising information of the first transmission versions which are failed to be decoded to enable the terminal equipment to learn about the first transmission versions which are failed to be decoded, wherein the UL resource allocation message indicates the second data transmission resources and second data transmission formats determined for the terminal equipment to enable the terminal equipment to generate the second transmission version of the terminal equipment according to the second data transmission resources and the second data transmission formats.

16. The method as claimed in claim 14, further comprising:

if the N first coded versions are jointly decoded and joint decoding succeeds, sending the ACK message to the terminal equipment;

or

if the N first coded versions are jointly decoded and joint decoding fails, sending the NACK message or the UL resource allocation message to the terminal equipment, the NACK message comprising the information of the first transmission versions which are failed to be decoded to enable the terminal equipment to learn about the first transmission versions which are failed to be decoded, wherein the UL resource allocation message indicates the second data transmission resources and second data transmission formats determined for the terminal equipment to enable the terminal equipment to generate the second transmission version of the terminal equipment according to the second data transmission resources and the second data transmission formats.

17. The method as claimed in claim 13, wherein receiving the SA message sent by the terminal equipment comprises:

receiving N first SA messages sent by the terminal equipment, wherein there are one to one correspondences between the N first SA messages and the N first transmission versions, and each first SA message indicates the first data transmission format and first data transmission resource for the first transmission version corresponding to the first SA message;

or

receiving one first SA message sent by the terminal equipment, wherein the one first SA message indicates the first data transmission formats and first data transmission resources for the N first transmission versions.

18. The method as claimed in claim 8, wherein receiving the SA message sent by the terminal equipment comprises:

performing blind detection on the SA message sent by the terminal equipment through a resource indicated by the control resource pool;

or

receiving the SA message sent by the terminal equipment through a control resource configured for the SA message of the terminal equipment.

19. A terminal equipment, comprising a determination unit, a sending unit and a generation unit, wherein

the determination unit is configured to determine a first data transmission format, the first data transmission format being used in generating a first transmission version of uplink (UL) data, and select a first data transmission resource from a data resource pool, the first data transmission resource being configured to transmit the first transmission version;

the sending unit is configured to send a first Scheduling Assignment (SA) message to a network equipment, the first SA message containing information of the first data transmission resource and information of the first data transmission format;

the generation unit is configured to code and modulate the UL data according to the first data transmission format to generate the first transmission version; and

the sending unit is further configured to send the first transmission version to the network equipment through the first data transmission resource to enable the network equipment to receive, demodulate and decode the first transmission version according to the first SA message.

20. The terminal equipment as claimed in claim 19, further comprising a receiving unit, wherein

the sending unit is further configured to send a UL resource scheduling request to the network equipment, wherein the UL resource scheduling request is configured to request the network equipment to allocate a UL resource to the UL data and the resource scheduling request comprises information about an association relationship indicating that the resource scheduling request is associated with the first transmission version, or the first SA message is further configured to request the network equipment to allocate the UL resource to the UL data and the SA message comprises the information about an association relationship indicating that the SA message is associated with the first transmission version;

the receiving unit is configured to receive a UL resource allocation response sent by the network equipment;

the generation unit is configured to generate a second transmission version of the UL data according to a second data transmission format indicated in the UL resource allocation response; and

the sending unit is further configured to send the second transmission version through a second data transmission resource.