Method and device used in communication node for wireless communication

1. A method in a first-type communication node for wireless communications, comprising:

receiving first information on a first carrier, the first information being used for determining a first time interval; and

receiving a first reference signal in a first time window on a second carrier;

wherein the first time window is one of X time windows, each of the X time windows comprises 10 subframes before a Paging Occasion; each of the X time windows belongs to the first time interval, X being a positive integer greater than 1; at least one of a physical cell identifier to which a transmitter of the first reference signal belongs, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain is used for determining the first time window out of the X time windows;

the first carrier and the second carrier are two different carriers; the first information is transmitted via an air interface.

2. The method according to claim 1 , wherein each of the X time windows comprises a positive integer number of subframe(s), each of the X time windows has a subframe reserved for transmitting a scheduling message for paging, and a position of an initial subframe reserved for transmitting a scheduling message for paging is fixed within a time window to which it belongs, for each of the X time windows.

3. The method according to claim 1 , wherein a first time sub-window belongs to the first time window, a time length of the first time sub-window is no longer than a time length of the first time window, and the first time sub-window comprises time-domain resources occupied by the first reference signal; a position of the first time sub-window in the first time window is pre-defined, or a position of the first time sub-window in the first time window is configured, or a position of the first time sub-window in the first time window is related to at least one of a physical-cell identifier to which a transmitter of the first reference signal belongs, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain.

4. The method according to claim 1 , also comprising:

receiving second information;

wherein the second information is used for indicating a first time length, the first time length is equal to a time length of the first time interval multiplied by an integer power of 2, the first time length is used for determining the X time windows out of the first time interval, and the second information is transmitted via the air interface.

5. The method according to claim 1 , wherein the X time windows are indexed in order, at least one of a physical-cell identifier to which the transmitter of the first reference signal, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain is used for determining a first parameter, the first parameter is a non-negative integer, and a remainder of the first parameter modulo the X is used for determining an index of the first time window.

6. A method in a second-type communication node in wireless communication, comprising:

transmitting first information on a first carrier, the first information being used for determining a first time interval; and

transmitting a first reference signal in a first time window on a second carrier;

wherein the first time window is one of X time windows, each of the X time windows comprises 10 subframes before a Paging Occasion; each of the X time windows belongs to the first time interval, X being a positive integer greater than 1; at least one of a physical cell identifier to which a transmitter of the first reference signal belongs, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain is used for determining the first time window out of the X time windows; the first carrier and the second carrier are two different carriers; the first information is transmitted via an air interface.

7. The method according to claim 6 , wherein each of the X time windows comprises a positive integer number of subframe(s), each of the X time windows has a subframe reserved for transmitting a scheduling message for paging, and a position of an initial subframe reserved for transmitting a scheduling message for paging is fixed within a time window to which it belongs, for each of the X time windows.

8. The method according to claim 6 , wherein a first time sub-window belongs to the first time window, a time length of the first time sub-window is no longer than a time length of the first time window, and the first time sub-window comprises time-domain resources occupied by the first reference signal; a position of the first time sub-window in the first time window is pre-defined, or a position of the first time sub-window in the first time window is configured, or a position of the first time sub-window in the first time window is related to at least one of a physical-cell identifier to which a transmitter of the first reference signal belongs, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain.

9. The method according to claim 6 , further comprising:

transmitting second information;

wherein the second information is used for indicating a first time length, the first time length is equal to a time length of the first time interval multiplied by an integer power of 2, the first time length is used for determining the X time windows out of the first time interval, and the second information is transmitted via the air interface.

10. The method according to claim 6 , wherein the X time windows are indexed in order, at least one of a physical-cell identifier to which the transmitter of the first reference signal, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain is used for determining a first parameter, the first parameter is a non-negative integer, and a remainder of the first parameter modulo the X is used for determining an index of the first time window.

11. A first-type communication node for wireless communications, comprising:

a first receiver, receiving first information on a first carrier, the first information being used for determining a first time interval; and

a second receiver, receiving a first reference signal in a first time window on a second carrier;

wherein the first time window is one of X time windows, each of the X time windows comprises 10 subframes before a Paging Occasion; each of the X time windows belongs to the first time interval, X being a positive integer greater than 1; at least one of a physical cell identifier to which a transmitter of the first reference signal belongs, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain are used for determining the first time window out of the X time windows; the first carrier and the second carrier are two different carriers; the first information is transmitted via an air interface.

12. The first-type communication node according to claim 11 , wherein each of the X time windows comprises a positive integer number of subframe(s), each of the X time windows has a subframe reserved for transmitting a scheduling message for paging, and a position of an initial subframe reserved for transmitting a scheduling message for paging is fixed within a time window to which it belongs, for each of the X time windows.

13. The first-type communication node according to claim 11 , wherein a first time sub-window belongs to the first time window, a time length of the first time sub-window is no longer than a time length of the first time window, and the first time sub-window comprises time-domain resources occupied by the first reference signal; a position of the first time sub-window in the first time window is pre-defined, or a position of the first time sub-window in the first time window is configured, or a position of the first time sub-window in the first time window is related to at least one of a physical-cell identifier to which a transmitter of the first reference signal belongs, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain.

14. The first-type communication node according to claim 11 , wherein the first receiver receives second information; wherein the second information is used for indicating a first time length, the first time length is equal to a time length of the first time interval multiplied by an integer power of 2, the first time length is used for determining the X time windows out of the first time interval, and the second information is transmitted via the air interface.

15. The first-type communication node according to claim 11 , wherein the X time windows are indexed in order, at least one of a physical-cell identifier to which the transmitter of the first reference signal, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain is used for determining a first parameter, the first parameter is a non-negative integer, and a remainder of the first parameter modulo the X is used for determining an index of the first time window.

16. A second-type communication node for wireless communications, comprising:

a first transmitter, transmitting first information on a first carrier, the first information being used for determining a first time interval; and

a second transmitter, transmitting a first reference signal in a first time window on a second carrier;

wherein the first time window is one of X time windows, each of the X time windows comprises 10 subframes before a Paging Occasion; each of the X time windows belongs to the first time interval, X being a positive integer greater than 1; at least one of a physical cell identifier to which a transmitter of the first reference signal belongs, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain is used for determining the first time window out of the X time windows; the first carrier and the second carrier are two different carriers; the first information is transmitted via an air interface.

17. The second-type communication node according to claim 16 , wherein each of the X time windows comprises a positive integer number of subframe(s), each of the X time windows has a subframe reserved for transmitting a scheduling message for paging, and a position of an initial subframe reserved for transmitting a scheduling message for paging is fixed within a time window to which it belongs, for each of the X time windows.

18. The second-type communication node according to claim 16 , wherein a first time sub-window belongs to the first time window, a time length of the first time sub-window is no longer than a time length of the first time window, and the first time sub-window comprises time-domain resources occupied by the first reference signal; a position of the first time sub-window in the first time window is pre-defined, or a position of the first time sub-window in the first time window is configured, or a position of the first time sub-window in the first time window is related to at least one of a physical-cell identifier to which a transmitter of the first reference signal belongs, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain.

19. The second-type communication node according to claim 16 , wherein the first transmitter transmits second information; wherein the second information is used for indicating a first time length, the first time length is equal to a time length of the first time interval multiplied by an integer power of 2, the first time length is used for determining the X time windows out of the first time interval, and the second information is transmitted via the air interface.

20. The second-type communication node according to claim 16 , wherein the X time windows are indexed in order, at least one of a physical-cell identifier to which the transmitter of the first reference signal, a position of frequency-domain resources occupied by the first reference signal in frequency domain or a position of the first time interval in time domain is used for determining a first parameter, the first parameter is a non-negative integer, and a remainder of the first parameter modulo the X is used for determining an index of the first time window.