Resource indication method, base station and terminal

• US 10,681,685 B2
• Filed: 10/31/2015
• Issued: 06/09/2020
• Est. Priority Date: 10/31/2015
• Status: Active Grant

• Current Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Original Assignee: Guangdong OPPO Mobile Telecommunications Corporation Limited
• Inventors: Tang, Hai
• Primary Examiner(s): Duong, Christine T
• Application Number:
  US15/737,632
• Publication Number:
  US 20180176894A1
• Time in Patent Office: 1,683 Days
• Field of Search: None
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0032 Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
• CPC Class Codes: H04L 5/0039 Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex
• CPC Class Codes: H04L 5/143 for modulated signals H04L5/1469 takes precedence
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 72/044 based on the type of the allocated resource
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/51 based on terminal or device properties
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

A resource indication method, a base station and a terminal are provided. The method includes that: the base station generates a resource indication channel, the resource indication channel indicating a first time-frequency resource and a communication parameters for the first time-frequency resource, the resource indication channel occupying a second time-frequency resource and at least one first time-frequency resource corresponding to at least one resource indication channel forming a cell; and the base station sends the resource indication channel to the terminal. The method can improve resource allocation and indication flexibility, and improve performance and applicability of a wireless communication system.

Claims

1. A resource indication method, comprising:

sending, by a base station, a first time-frequency resource and communication parameters for using the first time-frequency resource to a terminal, the first time-frequency resource and the communication parameters being carried in a resource indication channel, wherein a second time-frequency resource for the resource indication channel comprises at least one time-frequency unit, a time range corresponding to a first time-frequency unit in the at least one time-frequency unit is determined according to a preset time point, a frequency range corresponding to the first time-frequency unit is determined according to a preset frequency raster.

2. The method according to claim 1, wherein the communication parameters comprise at least one of the following:

a multiple access technology for the first time-frequency resource, a duplex manner for the first time-frequency resource, a communication mode for the first time-frequency resource, or basic physical parameters corresponding to the multiple access technology for the first time-frequency resource.

3. The method according to claim 2, wherein the basic physical parameters comprise a subcarrier spacing.

4. The method according to claim 1, wherein the communication parameters further comprise control channel information carried in the first time-frequency resource.

5. The method according to claim 4, wherein the control channel information comprises at least one of the following:

Broadcast Channel (BCH) information, Master Information Block (MIB) information, a Paging Channel (PCH), downlink common control channel information, downlink dedicated control channel information, self-contained mode information, uplink random access channel information, or uplink control channel information.

6. The method according to claim 1, further comprising:

sending, by the base station, a characteristic sequence to the terminal, the characteristic sequence being configured to indicate that a channel indicated by the characteristic sequence is a resource indication channel.

27. The method according to claim 1, wherein the communication parameters comprise information about whether there is a downlink common control channel in the first time-frequency resource.

28. The method according to claim 27, wherein there is the downlink common control channel in the first time-frequency resource, and the communication parameters comprise time-frequency locations for the first time-frequency resource, the time-frequency locations being indicated by an offset relative to the resource indication channel.

29. The method according to claim 1, wherein there is a downlink common control channel in the first time-frequency resource, and the communication parameters comprise time-frequency locations for the first time-frequency resource, the time-frequency locations being indicated by an offset relative to the resource indication channel.

30. The method according to claim 1, wherein transmission of the resource indication channel is performed according to preset parameters.

7. A resource indication method, comprising:

receiving, by a terminal, a first time-frequency resource and communication parameters for using the first time-frequency resource sent by a base station, the first time-frequency resource and the communication parameters being carried in a resource indication channel, wherein a second time-frequency resource for the resource indication channel comprises at least one time-frequency unit, a time range corresponding to a first time-frequency unit in the at least one time-frequency unit is determined according to a preset time point, a frequency range corresponding to the first time-frequency unit is determined according to a preset frequency raster.

8. The method according to claim 7, wherein the communication parameters comprise at least one of the following:

a multiple access technology for the first time-frequency resource, a duplex manner for the first time-frequency resource, a communication mode for the first time-frequency resource, or basic physical parameters corresponding to the multiple access technology for the first time-frequency resource.

9. The method according to claim 8, wherein the basic physical parameters comprise a subcarrier spacing.

10. The method according to claim 7, wherein the communication parameters further comprise control channel information carried in the first time-frequency resource.

11. The method according to claim 10, wherein the control channel information comprises at least one of the following:

Broadcast Channel (BCH) information, Master Information Block (MIB) information, a Paging Channel (PCH), downlink common control channel information, downlink dedicated control channel information, self-contained mode information, uplink random access channel information, or uplink control channel information.

12. The method according to claim 7, further comprising:

receiving, by the terminal, a characteristic sequence from the base station, the characteristic sequence being configured to indicate that a channel indicated by the characteristic sequence is a resource indication channel.

13. The method according to claim 7, wherein the first time-frequency resource is a time-frequency resource of a cell.

31. The method according to claim 7, wherein the communication parameters comprise information about whether there is a downlink common control channel in the first time-frequency resource.

32. The method according to claim 31, wherein there is the downlink common control channel in the first time-frequency resource, and the communication parameters comprise time-frequency locations for the first time-frequency resource, the time-frequency locations being indicated by an offset relative to the resource indication channel.

33. The method according to claim 7, wherein there is a downlink common control channel in the first time-frequency resource, and the communication parameters comprise time-frequency locations for the first time-frequency resource, the time-frequency locations being indicated by an offset relative to the resource indication channel.

34. The method according to claim 7, wherein transmission of the resource indication channel is performed according to preset parameters.

14. A base station, comprising:

a transceiver, configured to;

send a first time-frequency resource and communication parameters for using the first time-frequency resource to a terminal, the first time-frequency resource and the communication parameters being carried in a resource indication channel, wherein a second time-frequency resource for the resource indication channel comprises at least one time-frequency unit, a time range corresponding to a first time-frequency unit in the at least one time-frequency unit is determined according to a preset time point, a frequency range corresponding to the first time-frequency unit is determined according to a preset frequency raster.

15. The base station according to claim 14, wherein the communication parameters comprise at least one of the following:

a multiple access technology for the first time-frequency resource, a duplex manner for the first time-frequency resource, a communication mode for the first time-frequency resource, or basic physical parameters corresponding to the multiple access technology for the first time-frequency resource.

16. The base station according to claim 15, wherein the basic physical parameters comprise a subcarrier spacing.

17. The base station according to claim 14, wherein the communication parameters further comprise control channel information carried in the first time-frequency resource.

18. The base station according to claim 17, wherein the control channel information comprises at least one of the following:

Broadcast Channel (BCH) information, Master Information Block (MIB) information, a Paging Channel (PCH), downlink common control channel information, downlink dedicated control channel information, self-contained mode information, uplink random access channel information, or uplink control channel information.

19. The base station according to claim 14, wherein the transceiver is further configured to:

send a characteristic sequence to the terminal, the characteristic sequence being configured to indicate that a channel indicated by the characteristic sequence is a resource indication channel.

35. The base station according to claim 14, wherein the communication parameters comprise information about whether there is a downlink common control channel in the first time-frequency resource.

36. The base station according to claim 35, wherein there is the downlink common control channel in the first time-frequency resource, and the communication parameters comprise time-frequency locations for the first time-frequency resource, the time-frequency locations being indicated by an offset relative to the resource indication channel.

37. The base station according to claim 14, wherein there is a downlink common control channel in the first time-frequency resource, and the communication parameters comprise time-frequency locations for the first time-frequency resource, the time-frequency locations being indicated by an offset relative to the resource indication channel.

38. The base station according to claim 14, wherein transmission of the resource indication channel is performed according to preset parameters.

20. A terminal, comprising:

a transceiver configured to;

receive a first time-frequency resource and communication parameters for using the first time-frequency resource sent by a base station, the first time-frequency resource and the communication parameters being carried in a resource indication channel, wherein a second time-frequency resource for the resource indication channel comprises at least one time-frequency unit, a time range corresponding to a first time-frequency unit in the at least one time-frequency unit is determined according to a preset time point, a frequency range corresponding to the first time-frequency unit is determined according to a preset frequency raster.

21. The terminal according to claim 20, wherein the communication parameters comprise at least one of the following:

a multiple access technology for the first time-frequency resource, a duplex manner for the first time-frequency resource, a communication mode for the first time-frequency resource, or basic physical parameters corresponding to the multiple access technology for the first time-frequency resource.

22. The terminal according to claim 21, wherein the basic physical parameters comprise a subcarrier spacing.

23. The terminal according to claim 20, wherein the communication parameters further comprise control channel information carried in the first time-frequency resource.

24. The terminal according to claim 23, wherein the control channel information comprises at least one of the following:

Broadcast Channel (BCH) information, Master Information Block (MIB) information, a Paging Channel (PCH), downlink common control channel information, downlink dedicated control channel information, self-contained mode information, uplink random access channel information, or uplink control channel information.

25. The terminal according to claim 20, wherein the transceiver is further configured to:

receive a characteristic sequence from the base station, the characteristic sequence being configured to indicate that a channel indicated by the characteristic sequence is a resource indication channel.

26. The terminal according to claim 20, wherein the first time-frequency resource is a time-frequency resource of a cell.

39. The terminal according to claim 20, wherein the communication parameters comprise information about whether there is a downlink common control channel in the first time-frequency resource.

40. The terminal according to claim 39, wherein there is the downlink common control channel in the first time-frequency resource, and the communication parameters comprise time-frequency locations for the first time-frequency resource, the time-frequency locations being indicated by an offset relative to the resource indication channel.

41. The terminal according to claim 20, wherein there is a downlink common control channel in the first time-frequency resource, and the communication parameters comprise time-frequency locations for the first time-frequency resource, the time-frequency locations being indicated by an offset relative to the resource indication channel.

42. The terminal according to claim 20, wherein transmission of the resource indication channel is performed according to preset parameters.