Resource selection for multiple coordination messages
The present disclosure provides a method and device in nodes used for wireless communication. A first node receives M first-type signalings; transmits a first signal on a target time-frequency resource block; the M first-type signalings respectively indicate M candidate resource sets; one of the M candidate resource sets is within a target resource pool; the target resource pool comprises the target time-frequency resource block; a first signaling is one of the M first-type signalings, the first signaling indicates at least a latter of a first zone ID and a first candidate resource set, and the first candidate resource set is one of the M candidate resource sets. The present disclosure effectively solves the problem of conflicts in coordination resources in the case of multiple cooperative users.
1. A first node for wireless communications, comprising:
a first receiver, receiving M first-type signalings, M being a positive integer greater than 1, and respectively measuring M reference resource sets in a first resource pool; and
a first transmitter determining a target time-frequency resource block from a target resource pool and transmitting a first signal on the target time-frequency resource block, wherein the target time-frequency resource block is indicated, or the target time-frequency resource block is randomly selected from the target resource pool;
wherein:
the M first-type signalings respectively carry M source identities (IDs), the M source IDs are respectively used to identify M nodes, and any two of the M source IDs are different;
the M first-type signalings respectively indicate M candidate resource sets, the M candidate resource sets being respectively associated with the M reference resource sets within the first resource pool, and any of the M candidate resource sets comprises at least one time-frequency resource block;
one of the M candidate resource sets is within the target resource pool;
the target resource pool comprises a plurality of time-frequency resource blocks, and the target time-frequency resource block is a time-frequency resource block in the target resource pool;
a first signaling is one of the M first-type signalings, the first signaling indicates at least a latter of a first zone ID and a first candidate resource set, the first candidate resource set being associated with a first reference resource set that is one of the M reference resource sets, and the first candidate resource set is one of the M candidate resource sets; and
a magnitude order of a measurement performed on the first reference resource set among M measurements performed on the M reference resource sets is used to determine whether the first candidate resource set is within the target resource pool.
2. The first node according to claim 1 , wherein the first signaling indicates the first candidate resource set.
3. The first node according to claim 1 , wherein the first signaling indicates the first zone ID and the first candidate resource set.
4. The first node according to claim 1 , wherein the first signaling indicates the first zone ID.
5. The first node according to claim 1 , wherein the M first-type signalings respectively further indicate M reference signals, the first receiver respectively measuring the M reference signals; the first signaling indicates a first reference signal, and the first reference signal is one of the M reference signals; and a magnitude order of a measurement performed on the first reference signal among M measurements performed on the M reference signals is used to determine whether the first candidate resource set is within the target resource pool.
6. A first node for wireless communications, comprising:
a first receiver receiving M first-type signalings, M being a positive integer greater than 1, respectively measuring M reference resource sets in a first resource pool, and receiving first configuration information, wherein the first configuration information indicates a second resource pool that comprises M candidate resource sets, the second resource pool being used to determine the first resource pool;
a first transmitter determining a target time-frequency resource block from a target resource pool and transmitting a first signal on the target time-frequency resource block, wherein the target time-frequency resource block is indicated, or the target time-frequency resource block is randomly selected from the target resource pool;
wherein:
the M first-type signalings respectively carry M source identities (IDs), the M source IDs are respectively used to identify M nodes, and any two of the M source IDs are different;
the M first-type signalings respectively indicate the M candidate resource sets, and any of the M candidate resource sets comprises at least one time-frequency resource block;
one of the M candidate resource sets is within the target resource pool;
the target resource pool comprises a plurality of time-frequency resource blocks, and the target time-frequency resource block is a time-frequency resource block in the target resource pool;
a first signaling is one of the M first-type signalings, the first signaling indicates at least a latter of a first zone ID and a first candidate resource set, and the first candidate resource set is one of the M candidate resource sets;
the M candidate resource sets are respectively associated with the M reference resource sets, and the M reference resource sets are within the first resource pool;
the first candidate resource set is associated with a first reference resource set, and the first reference resource set is one of the M reference resource sets; and
a magnitude order of a measurement performed on the first reference resource set among M measurements performed on the M reference resource sets is used to determine whether the first candidate resource set is within the target resource pool.
7. The first node according to claim 6 , wherein the M first-type signalings respectively further indicate M reference signals, the first receiver respectively measuring the M reference signals; the first signaling indicates a first reference signal, and the first reference signal is one of the M reference signals; and a magnitude order of a measurement performed on the first reference signal among M measurements performed on the M reference signals is used to determine whether the first candidate resource set is within the target resource pool.
8. A first node for wireless communications, comprising:
a first receiver, receiving M first-type signalings, M being a positive integer greater than 1; and
a first transmitter determining a target time-frequency resource block from a target resource pool, and transmitting a first signal on the target time-frequency resource block, wherein the target time-frequency resource block is indicated, or the target time-frequency resource block is randomly selected from the target resource pool;
wherein:
the M first-type signalings respectively carry M source identities (IDs), the M source IDs are respectively used to identify M nodes, and any two of the M source IDs are different;
the M first-type signalings respectively indicate M candidate resource sets, and any of the M candidate resource sets comprises at least one time-frequency resource block;
one of the M candidate resource sets is within the target resource pool;
the target resource pool comprises a plurality of time-frequency resource blocks, and the target time-frequency resource block is a time-frequency resource block in the target resource pool;
a first signaling is one of the M first-type signalings, the first signaling indicates at least a latter of a first zone ID and a first candidate resource set, and the first candidate resource set is one of the M candidate resource sets;
at least one of the first zone ID or a measurement corresponding to the first candidate resource set is used to determine whether the first candidate resource set is within the target resource pool;
the first zone ID is used to determine a first distance that is a geographical distance between a node transmitting the first signaling and the first node;
M first-type distances are respectively geographical distances between the M nodes and the first node; and
a magnitude order of the first distance among the M first-type distances is used to determine whether the first candidate resource set is within the target resource pool.
9. A method in a first node for wireless communications, comprising:
receiving M first-type signalings, M being a positive integer greater than 1; and
transmitting a first signal on a target time-frequency resource block;
wherein:
the M first-type signalings respectively carry M source IDs, the M source IDs are respectively used to identify M nodes, and any two of the M source IDs are different;
the M first-type signalings respectively indicate M candidate resource sets, and any of the M candidate resource sets comprises at least one time-frequency resource block;
one of the M candidate resource sets is within a target resource pool;
the target resource pool comprises a plurality of time-frequency resource blocks, and the target time-frequency resource block is a time-frequency resource block in the target resource pool;
a first signaling is one of the M first-type signalings, the first signaling indicates at least a latter of a first zone ID and a first candidate resource set, and the first candidate resource set is one of the M candidate resource sets;
at least one of the first zone ID or a measurement corresponding to the first candidate resource set is used to determine whether the first candidate resource set is within the target resource pool;
the first zone ID is used to determine a first distance that is a geographical distance between a node transmitting the first signaling and the first node;
M first-type distances are respectively geographical distances between the M nodes and the first node; and
a magnitude order of the first distance among the M first-type distances is used to determine whether the first candidate resource set is within the target resource pool.