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US 10,764,884 B2Granted
Method for sending or receiving physical downlink control channel and device
AssigneeHuawei Technologies Co., Ltd.
InventorYongxia Lyu
Life of this patent
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Abstract
The method includes: mapping, by a network device, a first PDCCH to A control channel transmission units on a first time-frequency resource, and mapping a second PDCCH to B control channel transmission units on a second time-frequency resource, where A is a positive integer and A≥2, B is a positive integer and B≥2, a subcarrier spacing of the first time-frequency resource is a first subcarrier spacing, a subcarrier spacing of the second time-frequency resource is a second subcarrier spacing, and the first subcarrier spacing is different from the second subcarrier spacing; and sending the first PDCCH and the second PDCCH.
Claims18
A method, comprising:
- mapping, by a network device, a first physical downlink control channel (PDCCH) to A control channel transmission units on a first time-frequency resource, wherein A is a positive integer and A≥2, and a subcarrier spacing of each subcarrier of the first time-frequency resource is a first subcarrier spacing;
- mapping a second PDCCH to B control channel transmission units on a second time-frequency resource, wherein B is a positive integer and B≥2, a subcarrier spacing of each subcarrier of the second time-frequency resource is a second subcarrier spacing, the first subcarrier spacing is narrower or wider than the second subcarrier spacing, each control channel transmission unit of the A control channel transmission units and the B control channel transmission units comprises N resource elements, the N resource elements are located in a same time domain symbol, and N is a positive integer and N≥2;
- and
- sending, by the network device, the first PDCCH and the second PDCCH.
1 more element
A method, comprising:
- receiving, by a terminal device on a first time-frequency resource, a first physical downlink control channel (PDCCH) from a network device, wherein a subcarrier spacing of each subcarrier of the first time-frequency resource is a first subcarrier spacing, the first PDCCH occupies A control channel transmission units, and A is a positive integer and A≥2;
- receiving, by the terminal device on a second time-frequency resource, a second PDCCH from the network device, wherein a subcarrier spacing of each subcarrier of the second time-frequency resource is a second subcarrier spacing, the first subcarrier spacing is narrower or wider than the second subcarrier spacing, the second PDCCH occupies B control channel transmission units, B is a positive integer and B≥2, each control channel transmission unit of the A control channel transmission units and the B control channel transmission units comprises N resource elements, the N resource elements are located in a same time domain symbol, and N is a positive integer and N≥2;
- and
- demodulating the first PDCCH and the second PDCCH.
1 more element
An apparatus, comprising:
- a transceiver;
- a non-transitory memory storage comprising instructions;
- and
- one or more hardware processors in communication with the non-transitory memory storage, wherein the one or more hardware processors execute the instructions to:
- map a first physical downlink control channel (PDCCH) to A control channel transmission units on a first time-frequency resource, wherein A is a positive integer and A≥2, and a subcarrier spacing of each subcarrier of the first time-frequency resource is a first subcarrier spacing;
- map a second PDCCH to B control channel transmission units on a second time-frequency resource, wherein B is a positive integer and B≥2, a subcarrier spacing of each subcarrier of the second time-frequency resource is a second subcarrier spacing, the first subcarrier spacing is narrower or wider than the second subcarrier spacing, each control channel transmission unit of the A control channel transmission units and the B control channel transmission units comprises N resource elements, the N resource elements are located in a same time domain symbol, and N is a positive integer and N≥2;
- and
- send the first PDCCH and the second PDCCH.
5 more elements
An apparatus, comprising:
- a transceiver;
- a non-transitory memory storage comprising instructions;
- and
- one or more hardware processors in communication with the non-transitory memory storage, wherein the one or more hardware processors execute the instructions to:
- receive, on a first time-frequency resource, a first physical downlink control channel (PDCCH) from a network device, wherein a subcarrier spacing of each subcarrier of the first time-frequency resource is a first subcarrier spacing, the first PDCCH occupies A control channel transmission units, and A is a positive integer and A≥2;
- receive, on a second time-frequency resource, a second PDCCH from the network device, wherein a subcarrier spacing of each subcarrier of the second time-frequency resource is a second subcarrier spacing, the first subcarrier spacing is narrower or wider than the second subcarrier spacing, the second PDCCH occupies B control channel transmission units, B is a positive integer and B≥2, each control channel transmission unit of the A control channel transmission units and the B control channel transmission units comprises N resource elements, the N resource elements are located in a same time domain symbol, and N is a positive integer and N≥2;
- and
- demodulate the first PDCCH and the second PDCCH.
5 more elements
Dependencies are inferred from the claim text.