METHOD AND DEVICE FOR POWER ADJUSTMENT IN UE AND BASE STATION

• US 20190319678A1
• Filed: 06/28/2019
• Published: 10/17/2019
• Est. Priority Date: 12/29/2016
• Status: Active Grant

• Current Assignee: Shanghai QIYU Communication Technology Service Center
• Original Assignee: Shanghai Langbo Communication Technology Company Limited
• Inventors: JIANG, Qi, ZHANG, XiaoBo
• Granted Patent: US 11,201,642 B2
• Time in Patent Office: Days
• CPC Class Codes: H04B 7/043 using best eigenmode, e.g. beam forming or beam steering
• CPC Class Codes: H04B 7/0691 using subgroups of transmit antennas
• CPC Class Codes: H04L 27/34 Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
• CPC Class Codes: H04L 5/0023 Time-frequency-space
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04W 52/146 Uplink power control
• CPC Class Codes: H04W 52/242 taking into account path loss
• CPC Class Codes: H04W 52/246 where the output power of a terminal is based on a path parameter calculated in said terminal
• CPC Class Codes: H04W 52/325 Power control of control or pilot channels
• CPC Class Codes: H04W 52/42 in systems with time, space, frequency or polarisation diversity

Abstract

A method and device for power adjustment in a user equipment and a base station are disclosed in the present disclosure. The user equipment receives first information which is used to trigger a first operation, and then receives K piece(s) of target information and transmits a first wireless signal. A transmission power value of the first wireless signal is a first power value; the first power value is irrelevant to all piece(s) of target information received prior to triggering the first operation. The K piece(s) of target information is(are) received after triggering the first operation. The sum of K power offset value(s) is used to determine the first power value. The K power offset value(s) are respectively indicated by the K piece(s) of target information.

Claims

1. A method for power adjustment in a user equipment (UE), comprising:

receiving first information, the first information being used to trigger a first operation;

receiving K piece(s) of target information; and

transmitting a first wireless signal;

wherein a transmission power value of the first wireless signal is a first power value;

the first power value is irrelevant to all piece(s) of target information received prior to triggering the first operation;

the K piece(s) of target information is(are) received after triggering the first operation;

the sum of K power offset value(s) is used to determine the first power value;

the K power offset value(s) is(are) respectively indicated by the K piece(s) of target information;

the first information is used to determine P antenna port group(s);

the first power value is associated with a first antenna port group;

the antenna port group comprises a positive integer number of antenna port(s);

the P is a positive integer;

the K is a positive integer.

2. The method of claim 1, comprising:

receiving Q target wireless signals; and

determining Q reference power values;

wherein the Q target wireless signals are respectively transmitted by Q antenna port groups;

the P antenna port group(s) is(are) a subset of the Q antenna port groups;

measurements for the Q target wireless signals are respectively used to determine the Q reference power values;

the first antenna port group is one of the Q antenna port groups;

the Q is a positive integer greater than 1;

the Q is greater than or equal to the P.

3. The method of claim 1, further comprising:

receiving K downlink signaling(s);

wherein the K downlink signaling(s) respectively comprises(comprise) the K piece(s) of target information;

a first signaling is the last downlink signaling received by the K downlink signaling(s);

the first signaling comprises scheduling information of the first wireless signal;

the scheduling information comprises at least one of occupied time domain resources, occupied frequency domain resources, MCS, HARQ process numbers, RV, or NDI.

4. The method of claim 1, wherein the first information comprises P sub-information block(s);

the P sub-information block(s) is(are) in one-to-one correspondence with the P antenna port group(s);

the sub-information block indicate at least one of index of the corresponding antenna port group, or parameter set of the corresponding antenna port group;

the parameter set is used to determine the corresponding reference power value.

5. The method of claim 1, further comprising:

receiving second information;

wherein the second information is used to determine a first desired power value;

the second information is received prior to triggering the first operation;

the first desired power value is used to determine the first power value.

6. A method for power adjustment in a base station, comprising:

transmitting first information, the first information being used to trigger a first operation;

transmitting K piece(s) of target information; and

receiving a first wireless signal;

wherein a transmission power value of the first wireless signal is a first power value;

the first power value is irrelevant to all target piece(s) of information received prior to triggering the first operation;

the K target piece(s) of information is(are) received after triggering the first operation;

the sum of K power offset value(s) is(are) used to determine the first power value;

the K power offset value(s) is(are) respectively indicated by the K target piece(s) of information;

the first information is used to determine P antenna port group(s);

the first power value is associated with a first antenna port group;

the antenna port group comprises a positive integer number of antenna port(s);

the P is a positive integer;

the K is a positive integer.

7. The method of claim 6, comprising:

transmitting Q target wireless signals; and

determining Q reference power values;

wherein the Q target wireless signals are respectively transmitted by Q antenna port groups;

the P antenna port group(s) is(are) a subset of the Q antenna port groups;

measurements for the Q target wireless signals are respectively used to determine the Q reference power values;

the first antenna port group is one of the Q antenna port groups;

the Q is a positive integer greater than 1;

the Q is greater than or equal to the P.

8. The method of claim 6, further comprising:

transmitting K downlink signaling(s);

wherein the K downlink signaling(s) respectively comprises(comprise) the K piece(s) of target information;

a first signaling is the last downlink signaling received by the K downlink signaling(s);

the first signaling comprises scheduling information of the first wireless signal;

the scheduling information comprises at least one of occupied time domain resources, occupied frequency domain resources, MCS, HARQ process numbers, RV, or NDI.

9. The method of claim 6, wherein the first information comprises P sub-information block(s);

the P sub-information block(s) is(are) in one-to-one correspondence with the P antenna port group(s);

the sub-information block indicates at least one of an index of the corresponding antenna port group, or a parameter set of the corresponding antenna port group;

the parameter set is used to determine the corresponding reference power value.

10. The method of claim 6, further comprising:

transmitting second information;

wherein the second information is used to determine a first desired power value;

the second information is received prior to triggering the first operation;

the first desired power value is used to determine the first power value.

11. A user equipment for power adjustment, comprising:

a first receiver, receiving first information, the first information being used to trigger a first operation;

a second receiver, receiving K piece(s) of target information; and

a first transmitter, transmitting a first wireless signal;

wherein a transmission power value of the first wireless signal is a first power value;

the first power value is irrelevant to all piece(s) of target information received prior to triggering the first operation;

the K piece(s) of target information is(are) received after triggering the first operation;

the sum of K power offset value(s) is used to determine the first power value;

the K power offset value(s) is(are) respectively indicated by the K piece(s) of target information;

the first information is used to determine P antenna port group(s);

the first power value is associated with a first antenna port group;

the antenna port group comprises a positive integer number of antenna ports;

the P is a positive integer;

the K is a positive integer.

12. The user equipment of claim 11, where in the first receiver receives Q target wireless signals;

and determines Q reference power values;

the Q target wireless signals are respectively transmitted by Q antenna port groups;

the P antenna port group(s) is(are) a subset of the Q antenna port groups;

measurements for the Q target wireless signals are respectively used to determine the Q reference power values;

the first antenna port group is one of the Q antenna port groups;

the Q is a positive integer greater than 1;

the Q is greater than or equal to the P.

13. The user equipment of claim 11, wherein the second receiver receives K downlink signaling(s);

wherein the K downlink signaling(s) respectively comprises(comprise) the K piece(s) of target information;

a first signaling is the last downlink signaling received by the K downlink signaling(s);

the first signaling comprises scheduling information of the first wireless signal;

the scheduling information comprises at least one of occupied time domain resources, occupied frequency domain resources, MCS, HARQ process numbers, RV, or NDI.

14. The user equipment of claim 11, wherein the first information comprises P sub-information block(s);

the P sub-information block(s) is(are) in one-to-one correspondence with the P antenna port group(s);

the sub-information block indicates at least one of an index of the corresponding antenna port group, or a parameter set of the corresponding antenna port group;

the parameter set is used to determine the corresponding reference power value.

15. The user equipment of claim 11, wherein the first receiver receives second information, wherein the second information is used to determine a first desired power value;

the second information is received prior to triggering the first operation;

the first desired power value is used to determine the first power value.

16. A base station for power adjustment, comprising:

a second transmitter, transmitting first information, the first information being used to trigger a first operation;

a third transmitter, transmitting K piece(s) of target information; and

a third receiver, receiving a first wireless signal;

wherein a transmission power value of the first wireless signal is a first power value;

the first power value is irrelevant to all piece(s) of target information received prior to triggering the first operation;

the K piece(s) of target information is(are) received after triggering the first operation;

the sum of K power offset value(s) is(are) used to determine the first power value;

the K power offset value(s) is(are) respectively indicated by the K pieces of target information;

the first information is used to determine P antenna port group(s);

the first power value is associated with a first antenna port group;

the antenna port group comprises a positive integer number of antenna port(s);

the P is a positive integer;

the K is a positive integer.

17. The base station of claim 16, wherein the second transmitter transmits Q target wireless signals;

and determines Q reference power values;

the Q target wireless signals are respectively transmitted by Q antenna port groups;

the P antenna port group(s) is(are) a subset of the Q antenna port groups;

measurements for the Q target wireless signals are respectively used to determine the Q reference power values;

the first antenna port group is one of the Q antenna port groups;

the Q is a positive integer greater than 1;

the Q is greater than or equal to the P.

18. The base station of claim 16, wherein the third transmitter transmits K downlink signaling(s);

wherein the K downlink signaling(s) respectively comprises(comprise) the K piece(s) of target information;

a first signaling is the last downlink signaling received by the K downlink signaling(s);

the first signaling comprises scheduling information of the first wireless signal;

the scheduling information comprises at least one of occupied time domain resources, occupied frequency domain resources, MCS, HARQ process numbers, RV, or NDI.

19. The base station of claim 16, wherein the first information comprises P sub-information block(s);

the P sub-information block(s) is(are) in one-to-one correspondence with the P antenna port group(s);

the sub-information block indicates at least one of index of the corresponding antenna port group, or parameter set of the corresponding antenna port group;

the parameter set is used to determine the corresponding reference power value.

20. The base station of claim 16, wherein the second transmitter transmits second information;

wherein the second information is used to determine a first desired power value;

the second information is received prior to triggering the first operation;

the first desired power value is used to determine the first power value.