IP Library Granted Patent US 11,412,536
Granted Patent B2
US 11,412,536 · App. 16/624,262 · Granted Aug 9, 2022

Method and apparatus of determining downlink control channel resource, user equipment and base station

Inventors: Lei Wang (Beijing, CN); Fangchen Cheng (Beijing, CN)
Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
H04W72/1289H04W72/042H04W74/0833H04W76/27
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,412,536
App. No.
16/624,262
Granted
Aug 9, 2022
Kind
B2
Abstract

A method and apparatus of determining a downlink control channel resource, a user equipment and a base station are provided. The method of determining a downlink control channel resource at the user equipment side includes: receiving an indication message sent by a base station, and determining, according to the indication message, a first resource set configured to transmit a UE-specific physical downlink control channel of the user equipment; or determining, according to a protocol definition, a first resource set configured to transmit a UE-specific physical downlink control channel of the user equipment.

Claims (63)

1. A method of determining a downlink control channel resource, comprising:

receiving an indication message sent by a base station, and determining, according to the indication message, a first resource set configured to transmit a UE-specific physical downlink control channel of a user equipment; or

determining the first resource set configured to transmit the UE-specific physical downlink control channel of the user equipment according to a protocol definition;

wherein

the receiving of the indication message sent by the base station, and determining, according to the indication message, the first resource set configured to transmit the UE-specific physical downlink control channel of the user equipment comprises:

receiving a message sent by the base station in a random access procedure of the user equipment, and determining the first resource set according to indication information of the first resource set carried in the message;

or

the receiving of the indication message sent by the base station, and determining, according to the indication message, the first resource set configured to transmit the UE-specific physical downlink control channel of the user equipment comprises:

receiving an RMSI message sent by the base station, and determining the first resource set according to indication information of the first resource set carried in the RMSI message;

wherein the RMSI message is a system message other than a system message being a Master Information Block MIB message;

or

the receiving of the indication message sent by the base station, and determining, according to the indication message, the first resource set configured to transmit the UE-specific physical downlink control channel of the user equipment comprises:

receiving an MIB message sent by the base station, and determining a resource set which is obtained from the MIB message and used configured to transmit a common control channel as the first resource set.

2. The method according to claim 1 , wherein subsequent to the determining the first resource set configured to transmit the UE-specific physical downlink control channel of the user equipment, the method further comprises:

detecting, in the first resource set, the UE-specific physical downlink control channel of the user equipment.

3. The method according to claim 2 , wherein subsequent to the detecting, in the first resource set, the UE-specific physical downlink control channel of the user equipment, the method further comprises:

receiving, on the detected UE-specific physical downlink control channel of the user equipment, scheduling information of a first radio resource control signaling after the user equipment accesses a network; and

receiving the first radio resource control signaling according to the scheduling information of the first radio resource control signaling, wherein the first radio resource control signaling carries configuration information of a second resource set of the UE-specific physical downlink control channel configured by the base station for the user equipment.

4. The method according to claim 3 , wherein subsequent to the receiving the first radio resource control signaling according to the scheduling information of the first radio resource control signaling, the method further comprises:

determining the second resource set according to the configuration information of the second resource set carried in the received first radio resource control signaling; and

detecting and receiving, in the second resource set, control information transmitted on the UE-specific physical downlink control channel of the user equipment.

5. The method according to claim 1 , wherein the determining the first resource set configured to transmit the UE-specific physical downlink control channel of the user equipment according to the protocol definition comprises:

determining starting position information of the first resource set in the protocol definition, based on a radio network temporary identity of the user equipment; and

determining the first resource set according to the starting position information of the first resource set and a pre-acquired size of the first resource set.

6. The method according to claim 5 , wherein the size of the first resource set is predefined in the protocol definition; or

the size of the first resource set is obtained by the user equipment from a message sent by the base station in a random access procedure of the user equipment, or is obtained by the user equipment from an RMSI message or an MIB message sent by the base station;

wherein the RMSI message is a system message other than a system message being an MIB message.

7. The method according to claim 1 , wherein the message sent by the base station in the random access procedure of the user equipment is an Msg2 or an Msg4.

8. A method of determining a downlink control channel resource, comprising:

sending an indication message to a user equipment, wherein the indication message is configured to enable the user equipment to determine a first resource set configured to transmit a UE-specific physical downlink control channel of the user equipment;

wherein

the sending of the indication message to the user equipment comprises:

sending to the user equipment the indication information of the first resource set as information carried in a message sent by the base station to the user equipment in a random access procedure of the user equipment;

or

the sending of the indication message to the user equipment comprises:

sending to the user equipment the indication information of the first resource set as information carried in an RMSI message;

wherein the RMSI message is a system message other than a system message being a Master Information Block MIB message;

or

the sending of the indication message to the user equipment comprises:

sending an MIB message to the user equipment, to enable the user equipment to determine a resource set which is obtained from the MIB message and used configured to transmit a common control channel as the first resource set.

9. The method according to claim 8 , wherein subsequent to the sending an indication message to a user equipment, the method further comprises:

sending, on the UE-specific physical downlink control channel of the user equipment, to the user equipment scheduling information of a first radio resource control signaling after the user equipment accesses a network, to enable the user equipment to detect, in the determined first resource set, the UE-specific physical downlink control channel of the user equipment, and receive the scheduling information of the first radio resource control signaling;

configuring, for the user equipment, a second resource set configured to transmit the UE-specific physical downlink control channel of the user equipment; and

sending to the user equipment configuration information of the second resource set as information carried in the first radio resource control signaling.

10. The method according to claim 9 , wherein subsequent to the sending to the user equipment the configuration information of the second resource set as the information carrying in the first radio resource control signaling, the method further comprises:

in the second resource set, transmitting control information on the UE-specific physical downlink control channel of the user equipment.

11. The method according to claim 8 , further comprising:

sending to the user equipment a size of the first resource set as an RMSI message, or an MIB message, or information carried in a message sent by the base station in a random access procedure of the user equipment, to enable the user equipment to determine the first resource set according to the size of the first resource set and starting position information of the first resource set determined in a protocol definition and based on a radio network temporary identity of the user equipment.

12. The method according to claim 8 , wherein the message sent by the base station in the random access procedure of the user equipment is an Msg2 or an Msg4.

13. A user equipment, comprising a first memory, a first processor and a computer program stored in the first memory and executable on the first processor; wherein the first processor is configured to execute the computer program to:

receive an indication message sent by a base station, and determine, according to the indication message, a first resource set configured to transmit a UE-specific physical downlink control channel of a user equipment; or

determine the first resource set configured to transmit the UE-specific physical downlink control channel of the user equipment according to a protocol definition; and

wherein

the first processor is configured to execute the computer program to:

receive a message sent by the base station in a random access procedure of the user equipment, and determine the first resource set according to indication information of the first resource set carried in the message;

or

the first processor is configured to execute the computer program to:

receive an RMSI message sent by the base station, and determine the first resource set according to indication information of the first resource set carried in the RMSI message;

wherein the RMSI message is a system message other than a system message being a Master Information Block MIB message;

or

the first processor is configured to execute the computer program to:

receive an MIB message sent by the base station, and determine a resource set which is obtained from the MIB message and used configured to transmit a common control channel as the first resource set.

14. A base station, comprising a second memory, a second processor and a computer program stored in the second memory and executable on the second processor; wherein the second processor executes the program to perform the method of determining a downlink control channel resource according to claim 8 .

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 6, 2021
From: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
To: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
Reel/Frame 056769/0920 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 30, 2020
From: WANG, LEI; CHENG, FANGCHEN
To: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
Reel/Frame 051677/0676 →
Priority Claims (1)
CN 201710464486.8 · Jun 19, 2017 · national
Continuity (1)
Related Publication 20200154468A1 · May 14, 2020