Method and device in nodes used for wireless communication
View Patent ↗Method and device in nodes used for wireless communications. A node receives first information, the first information being used to determine X candidate formats; transmits a first signal, the first signal using a first format; and transmits a second signal, the second signal using a second format; the first format is one of the X candidate formats, and the second format is also one of the X candidate formats; a first timing offset value is used to determine a transmission timing for the first signal, while a second timing offset value is used to determine a transmission timing for the second signal, where the first timing offset value is unequal to the second timing offset value; the first format relates to the first timing offset value while the second format relates to the second timing offset value. The present disclosure improves the random access performance.
1. A first node for wireless communications, comprising:
a first receiver, receiving first information, the first information being used to determine X candidate formats, X being a positive integer greater than 1;
a first transmitter, transmitting a first signal, the first signal using a first format; and
a second transmitter, transmitting a second signal, the second signal using a second format;
wherein the first format is a candidate format among the X candidate formats, and the second format is a candidate format among the X candidate formats, the first format is different from the second format; a first timing offset value is used to determine a transmission timing for the first signal, and a second timing offset value is used to determine a transmission timing for the second signal, the first timing offset value is unequal to the second timing offset value; the first format is related to the first timing offset value, while the second format is related to the second timing offset value; the first signal and the second signal are both used for random access;
capabilities of the first node are used to determine the first timing offset, the first timing offset being used to determine the first format out of the X candidate formats.
2. The first node according to claim 1 , wherein the first receiver receives second information; wherein the first signal is used for a first-type random access, the second information is used to determine a first integer, the first integer being a positive integer; the first integer is used to determine a maximum number of the first-type random accesses that can be initiated using the first format.
3. The first node according to claim 2 , wherein the second information is used to determine a second integer, the second integer being a non-negative integer; the second integer is used to determine a maximum number of second-type random accesses that can be initiated using the second format, or the second integer is used to determine a maximum number of the second-type random accesses that can be initiated using the first format, or the second integer is used to determine a maximum number of the first-type random accesses that can be initiated using the second format; the first-type random access and the second-type random access are two different types of random accesses.
4. The first node according to claim 1 , wherein a target counter is used for counting in random access procedures initiated by the first node, a count value of the target counter being a positive integer; the count value of the target counter when transmitting the first signal is a first count value, and the count value of the target counter when transmitting the second signal is a second count value; the second count value is no greater than the first count value.
5. The first node according to claim 4 , wherein the first receiver receives fourth information; wherein the fourth information is used to determine a first target power value and a first step-size; when the first count value is greater than 1, the first target power value, the first step-size and the first count value are jointly used to determine a transmit power value for the first signal; when the first count value is equal to 1, among the first target power value, the first step-size and the first count value only the first target power value is used to determine a transmit power value for the first signal.
6. The first node according to claim 5 , wherein the first receiver receives fifth information; wherein the fifth information is used to determine a second step-size; when the second count value is greater than 1, the first target power value, the second step-size and the second count value are jointly used to determine a transmit power value for the second signal; when the second count value is equal to 1, among the first target power value, the second step-size and the second count value only the first target power value is used to determine a transmit power value for the second signal.
7. A second node for wireless communications, comprising:
a third transmitter, transmitting first information, the first information being used to determine X candidate formats, X being a positive integer greater than 1;
a second receiver, detecting a first signal, the first signal using a first format; and
a third receiver, detecting a second signal, the second signal using a second format;
wherein the first format is a candidate format among the X candidate formats, and the second format is a candidate format among the X candidate formats, the first format is different from the second format; a first timing offset value is used to determine a transmission timing for the first signal, and a second timing offset value is used to determine a transmission timing for the second signal, the first timing offset value is unequal to the second timing offset value; the first format is related to the first timing offset value, while the second format is related to the second timing offset value; the first signal and the second signal are both used for random access;
capabilities of a transmitter for the first signal are used to determine the first timing offset, the first timing offset being used to determine the first format out of the X candidate formats.
8. The second node according to claim 7 , wherein the third transmitter transmits second information; herein, the first signal is used for a first-type random access, the second information is used to determine a first integer, the first integer being a positive integer; the first integer is used to determine a maximum number of the first-type random accesses that can be initiated using the first format.
9. The second node according to claim 7 , wherein a target counter is used for counting in random access procedures initiated by a transmitter for the first signal, a count value of the target counter being a positive integer; the count value of the target counter when transmitting the first signal is a first count value, and the count value of the target counter when transmitting the second signal is a second count value; the second count value is no greater than the first count value.
10. The second node according to claim 9 , wherein the third transmitter transmits fourth information; wherein the fourth information is used to determine a first target power value and a first step-size; when the first count value is greater than 1, the first target power value, the first step-size and the first count value are jointly used to determine a transmit power value for the first signal; when the first count value is equal to 1, among the first target power value, the first step-size and the first count value only the first target power value is used to determine a transmit power value for the first signal.
11. The second node according to claim 10 , wherein the third transmitter transmits fifth information; wherein the fifth information is used to determine a second step-size; when the second count value is greater than 1, the first target power value, the second step-size and the second count value are jointly used to determine a transmit power value for the second signal; when the second count value is equal to 1, among the first target power value, the second step-size and the second count value only the first target power value is used to determine a transmit power value for the second signal.
12. A method in a first node for wireless communications, comprising:
receiving first information, the first information being used to determine X candidate formats, X being a positive integer greater than 1;
transmitting a first signal, the first signal using a first format; and
transmitting a second signal, the second signal using a second format;
wherein the first format is a candidate format among the X candidate formats, and the second format is a candidate format among the X candidate formats, the first format is different from the second format; a first timing offset value is used to determine a transmission timing for the first signal, and a second timing offset value is used to determine a transmission timing for the second signal, the first timing offset value is unequal to the second timing offset value; the first format is related to the first timing offset value, while the second format is related to the second timing offset value; the first signal and the second signal are both used for random access;
capabilities of the first node are used to determine the first timing offset, the first timing offset being used to determine the first format out of the X candidate formats.
13. The method in the first node according to claim 12 , comprising:
receiving second information;
wherein the first signal is used for a first-type random access, the second information is used to determine a first integer, the first integer being a positive integer; the first integer is used to determine a maximum number of the first-type random accesses that can be initiated using the first format.
14. The method in the first node according to claim 13 , wherein the second information is used to determine a second integer, the second integer being a non-negative integer; the second integer is used to determine a maximum number of second-type random accesses that can be initiated using the second format, or the second integer is used to determine a maximum number of the second-type random accesses that can be initiated using the first format, or the second integer is used to determine a maximum number of the first-type random accesses that can be initiated using the second format; the first-type random access and the second-type random access are two different types of random accesses.
15. The method in the first node according to claim 12 , wherein a target counter is used for counting in random access procedures initiated by the first node, a count value of the target counter being a positive integer; the count value of the target counter when transmitting the first signal is a first count value, and the count value of the target counter when transmitting the second signal is a second count value; the second count value is no greater than the first count value.
16. The method in the first node according to claim 15 , comprising:
receiving fourth information;
wherein the fourth information is used to determine a first target power value and a first step-size;
when the first count value is greater than 1, the first target power value, the first step-size and the first count value are jointly used to determine a transmit power value for the first signal; when the first count value is equal to 1, among the first target power value, the first step-size and the first count value only the first target power value is used to determine a transmit power value for the first signal.
17. The method in the first node according to claim 16 , comprising:
receiving fifth information;
wherein the fifth information is used to determine a second step-size; when the second count value is greater than 1, the first target power value, the second step-size and the second count value are jointly used to determine a transmit power value for the second signal; when the second count value is equal to 1, among the first target power value, the second step-size and the second count value only the first target power value is used to determine a transmit power value for the second signal.