Information transmission method using Quasi-Co-location reference signals
AssigneeZte Corporation
InventorsYuxin Wang, Zhaohua Lu, Chuangxin Jiang, Shujuan Zhang, YuNgok Li
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Abstract
The present application provides an information sending method, an information sending apparatus, an information receiving method and an information receiving apparatus. The information sending method includes determining a resource for sending information, and instructing, by means of signaling, a terminal to receive information on the resource, or predefining the resource on which the terminal receives information; and determining a scheme for sending information, and instructing the terminal, by means of signaling, about the scheme for sending information, or predefining the scheme for sending information.
Claims12
An information sending method applied to a first communication node, comprising:
- determining a resource for sending information, and instructing, by means of a first signaling, a terminal to receive the information on the resource;
- determining a scheme for sending the information, and instructing the terminal, by means of a second signaling, about the scheme for sending the information;
- and
- determining, in response to that the scheme for sending the information is a time division scheme and a number of quasi-co-location reference signal (QCL RS) sets indicated by a TCI field in downlink control information (DCI) is greater than 1, that the resource is a time domain resource and comprises a first time domain resource and a second time domain resource, the first time domain resource and the second time domain resource correspond to different QCL RS sets from the QCL RS sets indicated by the TCI field, wherein
- the first time domain resource and the second time domain resource are in one same time slot, a time domain symbol location of the second time domain resource is determined according to a start time domain symbol and a number of time domain symbols of the first time domain resource, the second time domain resource is after the first time domain resource, the first time domain resource and the second time domain resource do not overlap each other, the number of time domain symbols of the first time domain resource equals to a number of time domain symbols of the second time domain resource, the first time domain resource comprises M time domain symbols at locations from K to K+M−1 in the one same time slot and the second time domain resource comprises M time domain symbols at locations from K+M to K+2M−1 in the one same time slot, wherein M and K are positive integers and dynamically indicated by the downlink control information (DCI),
- the method further comprises:
- scrambling the sent information using a scrambling sequence generated by a scrambling sequence generator with initialization values determined by a determining scheme comprising:
- cinit−nRNTI·215+q·214+nID,
- nRNTI is a radio network temporary identity, q∈{0,1} and is associated with a number of transmitted codewords, nID∈{0,1, . . . , 1023} or is a cell ID,
- in response to that at least two control resource set (CORESET) groups are configured in a higher-layer signaling, a value of q is associated with a CORESET group ID, and at least two nID respectively corresponding to at least two CORESET group IDs are configured to the terminal through the higher-layer signaling.
An information receiving method, comprising:
- determining a resource for receiving information, and receiving the information on the resource, the resource being a resource instructed by a first signaling from at least one of a first communication node and a second communication node;
- and
- determining a scheme for receiving the information, and receiving the information according to the scheme, the scheme being a scheme instructed by a second signaling from the at least one of the first communication node and the second communication node,
- determining, in response to that the scheme for receiving the information is a time division scheme and a number of quasi-co-location reference signal (QCL RS) sets indicated by a TCI field in downlink control information (DCI) is greater than 1, that the resource is a time domain resource and comprises a first time domain resource and a second time domain resource, the first time domain resource and the second time domain resource correspond to different QCL RS sets from the QCL RS sets indicated by the TCI field, wherein
- the first time domain resource and the second time domain resource are in one same time slot, a time domain symbol location of the second time domain resource is determined according to a start time domain symbol and a number of time domain symbols of the first time domain resource, the second time domain resource is after the first time domain resource, the first time domain resource and the second time domain resource do not overlap each other, the number of time domain symbols of the first time domain resource equals to a number of time domain symbols of the second time domain resource, the first time domain resource comprises M time domain symbols at locations from K to K+M−1 in the one same time slot and the second time domain resource comprises M time domain symbols at locations from K+M to K+2M−1 in the one same time slot, wherein M and K are positive integers and dynamically indicated by the downlink control information (DCI),
- the method further comprises:
- descrambling the received information using a scrambling sequence generated by a scrambling sequence generator with initialization values determined by a determining scheme comprising:
- cinit=nRNTI·215+q·214+nID,
- nRNTI is a radio network temporary identity, q∈{0,1} and is associated with a number of transmitted codewords, nID∈{0,1, . . . , 1023} or is a cell ID,
- in response to that at least two control resource set (CORESET) groups are configured in a higher-layer signaling, a value of q is associated with a CORESET group ID, and at least two nID respectively corresponding to at least two CORESET group IDs are configured to the terminal through the higher-layer signaling.
An information sending apparatus, comprising at least one processor configured to:
- determine a resource for sending information, and instruct, by means of a first signaling, a terminal to receive the information on the resource;
- determine a scheme for sending the information, and instruct the terminal, by means of a second signaling, about the scheme for sending the information;
- and
- determine, in response to that the scheme for sending the information is a time division scheme and a number of quasi-co-location reference signal (QCL RS) sets indicated by a TCI field in downlink control information (DCI) is greater than 1, that the resource is a time domain resource and comprises a first time domain resource and a second time domain resource, the first time domain resource and the second time domain resource correspond to different QCL RS sets from the QCL RS sets indicated by the TCI field, wherein
- the first time domain resource and the second time domain resource are in one same time slot, a time domain symbol location of the second time domain resource is determined according to a start time domain symbol and a number of time domain symbols of the first time domain resource, the second time domain resource is after the first time domain resource, the first time domain resource and the second time domain resource do not overlap each other, the number of time domain symbols of the first time domain resource equals to a number of time domain symbols of the second time domain resource, the first time domain resource comprises M time domain symbols at locations from K to K+M−1 in the one same time slot and the second time domain resource comprises M time domain symbols at locations from K+M to K+2M−1 in the one same time slot, wherein M and K are positive integers and dynamically indicated by the downlink control information (DCI),
- wherein the at least one processor is configured to:
- scramble the sent information using a scrambling sequence generated by a scrambling sequence generator with initialization values determined by a determining scheme comprising:
- cinit=nRNTI·215+q·214+nID,
- nRNTI is a radio network temporary identity, q∈{0,1} and is associated with a number of transmitted codewords, nID∈{0,1, . . . , 1023} or is a cell ID,
- in response to that at least two control resource set (CORESET) groups are configured in a higher-layer signaling, a value of q is associated with a CORESET group ID, and at least two nID respectively corresponding to at least two CORESET group IDs are configured to the terminal through the higher-layer signaling.
An information receiving apparatus, comprising at least one processor configured to:
- determine a resource for receiving information, and receive the information on the resource;
- determine a scheme for receiving the information, and receive the information according to the scheme, wherein the resource is a resource instructed by a first signaling from at least one of a first communication node and a second communication node, and the scheme is a scheme instructed by a second signaling from the at least one of the first communication node and the second communication node;
- and
- determine, in response to that the scheme for receiving the information is a time division scheme and a number of quasi-co-location reference signal (QCL RS) sets indicated by a TCI field in downlink control information (DCI) is greater than 1, that the resource is a time domain resource and comprises a first time domain resource and a second time domain resource, the first time domain resource and the second time domain resource correspond to different QCL RS sets from the QCL RS sets indicated by the TCI field, wherein
- the first time domain resource and the second time domain resource are in one same time slot, a time domain symbol location of the second time domain resource is determined according to a start time domain symbol and a number of time domain symbols of the first time domain resource, the second time domain resource is after the first time domain resource, the first time domain resource and the second time domain resource does not overlap each other, the number of time domain symbols of the first time domain resource equals to a number of time domain symbols of the second time domain resource, the first time domain resource comprises M time domain symbols at locations from K to K+M−1 in the one same time slot and the second time domain resource comprises M time domain symbols at locations from K+M to K+2M−1 in the one same time slot, wherein M and K are positive integers and dynamically indicated by the downlink control information (DCI),
- wherein the at least one processor is configured to:
- descramble the received information using a scrambling sequence generated by a scrambling sequence generator with initialization values determined by a determining scheme comprising:
- cinit=nRNTI·215+q·214+nID,
- nRNTI is a radio network temporary identity, q∈{0,1} and is associated with a number of transmitted codewords, nID∈{0,1, . . . , 1023} or is a cell ID,
- in response to that at least two control resource set (CORESET) groups are configured in a higher-layer signaling, a value of q is associated with a CORESET group ID, and at least two nID respectively corresponding to at least two CORESET group IDs are configured to the terminal through the higher-layer signaling.
Dependencies are inferred from the claim text.