Systems and methods for reporting information of reference signals
A wireless communication method includes sending, by a wireless communication device to a wireless communication node, a message indicating reception information of a first one of a plurality of downlink reference signals, wherein the reception information comprises at least one of reception beam information or reception timing information.
1 . A wireless communication method, comprising:
sending, by a wireless communication device to a wireless communication node, a message indicating reception information of a first downlink reference signal of a plurality of downlink reference signals,
wherein the reception information comprises reception beam information, wherein the reception beam information includes (i) angle information indicating a first direction from which the wireless communication device receives the first downlink reference signal, the first downlink reference signal having a plurality of repetitions, (ii) at least one repetition index indicating which of the plurality of repetitions through which the wireless communication device receives the first downlink reference signal, and (iii) at least one corresponding beam index indication, the angle information further indicating a second direction from which the wireless communication device receives a repetition indicated by the at least one repetition index of the first downlink reference signal; and
receiving, by the wireless communication device from the wireless communication node, assistance data comprising a mapping between angle information and beam index information, the beam index information comprising indices mapped to different angle information, wherein the at least one corresponding beam index indication indicates one of the indices indicating which of the angle information that the wireless communication device receives the first downlink reference signal.
2 . The wireless communication method of claim 1 , wherein the reception beam information includes an identity of the first downlink reference signal.
3 . The wireless communication method of claim 1 , wherein the first downlink reference signal includes the plurality of repetitions, and wherein the assistance data further comprises at least one of the angle information or a repetition index in the beam index information for each of the plurality of repetitions.
4 . The wireless communication method of claim 1 , wherein the reception information further comprises reception timing information including an identity of a second one of the plurality of downlink reference signals that is indicated, by the wireless communication node or the wireless communication device, as a reference, and a reception time of the second downlink reference signal.
5 . The wireless communication method of claim 4 , wherein the reception timing information further includes a time difference between a reception time of the first downlink reference signal and the reception time of the second downlink reference signal.
6 . The wireless communication method of claim 4 , wherein the reception timing information further includes a plurality of time differences between respective reception times of a subset of the plurality of downlink reference signals and the reception time of the second downlink reference signal, and wherein a number of the subset of downlink reference signals is configured by the wireless communication node.
7 . The wireless communication method of claim 4 , wherein each of the plurality of downlink reference signals includes the plurality of repetitions, and wherein the reception timing information further includes a time difference between a reception time of one of the plurality of repetitions of the first downlink reference signal and a reception time of one of the plurality of repetitions of the second downlink reference signal.
8 . The wireless communication method of claim 4 , wherein each of the plurality of downlink reference signals includes the plurality of repetitions, and wherein the reception timing information further includes a plurality of time differences between respective reception times of one of the plurality of repetitions of a subset of the plurality of downlink reference signals and a reception time of one of the plurality of repetitions of the second downlink reference signal, and wherein a number of the subset of downlink reference signals is configured by the wireless communication node.
9 . The wireless communication method of claim 1 , wherein the reception information further comprises an identity of a third one of the plurality of downlink reference signals that is indicated, by the wireless communication device, as a reference, thereby indicating a reference direction in which the third downlink reference signal is received.
10 . The wireless communication method of claim 9 , wherein the plurality of downlink reference signals are all transmitted by the wireless communication node.
11 . The wireless communication method of claim 1 , wherein the assistance data further comprises:
an identity of a third one of the plurality of downlink reference signals that is indicated, by the wireless communication node, as a reference, thereby causing the wireless communication device to indicate a reference direction in which the third downlink reference signal is received.
12 . A wireless communication device, comprising:
at least one processor configured to:
send, via a transmitter to a wireless communication node, a message indicating reception information of a first downlink reference signal of a plurality of downlink reference signals,
wherein the reception information comprises reception beam information, wherein the reception beam information includes (i) angle information indicating a first direction from which the wireless communication device receives the first downlink reference signal, the first downlink reference signal having a plurality of repetitions, (ii) at least one repetition index indicating which of the plurality of repetitions through which the wireless communication device receives the first downlink reference signal, and (iii) at least one corresponding beam index indication, the angle information further indicating a second direction from which the wireless communication device receives a repetition indicated by the at least one repetition index of the first downlink reference signal; and
receive, via a receiver from the wireless communication node, assistance data comprising a mapping between angle information and beam index information, the beam index information comprising indices mapped to different angle information, wherein the at least one corresponding beam index indication indicates one of the indices indicating which of the angle information that the wireless communication device receives the first downlink reference signal.
13 . A wireless communication method, comprising:
receiving, by a wireless communication node from a wireless communication device, a message indicating reception information of a first downlink reference signal of a plurality of downlink reference signals,
wherein the reception information comprises reception beam information, wherein the reception beam information includes (i) angle information indicating a first direction from which the wireless communication device receives the first downlink reference signal, the first downlink reference signal having a plurality of repetitions, (ii) at least one repetition index indicating which of the plurality of repetitions through which the wireless communication device receives the first downlink reference signal, and (iii) at least one corresponding beam index indication, the angle information further indicating a second direction from which the wireless communication device receives a repetition indicated by the at least one repetition index of the first downlink reference signal; and
sending, by the wireless communication node to the wireless communication device, assistance data comprising a mapping between angle information and beam index information, the beam index information comprising indices mapped to different angle information, wherein the at least one corresponding beam index indication indicates one of the indices indicating which of the angle information that the wireless communication device receives the first downlink reference signal.
14 . A wireless communication node, comprising:
at least one processor configured to:
receive, via a receiver from a wireless communication device, a message indicating reception information of a first downlink reference signal of a plurality of downlink reference signals,
wherein the reception information comprises reception beam information, wherein the reception beam information includes (i) angle information indicating a first direction from which the wireless communication device receives the first downlink reference signal, the first downlink reference signal having a plurality of repetitions, (ii) at least one repetition index indicating which of the plurality of repetitions through which the wireless communication device receives the first downlink reference signal, and (iii) at least one corresponding beam index indication, the angle information further indicating a second direction from which the wireless communication device receives a repetition indicated by the at least one repetition index of the first downlink reference signal; and
sending, by a transceiver to the wireless communication device, assistance data comprising a mapping between angle information and beam index information, the beam index information comprising indices mapped to different angle information, wherein the at least one corresponding beam index indication indicates one of the indices indicating which of the angle information that the wireless communication device receives the first downlink reference signal.