Method and device for interacting signaling between nodes, method and device for controlling power control and uplink transmission method and device

1. A method for interacting signaling between nodes, comprising:

respectively receiving, by a node, uplink power control information of other nodes transmitted, using a basic resource element as a unit, by the other nodes; and

transmitting, by a node, using the basic resource element as a unit, the uplink power control information of the node to the other nodes respectively;

wherein the basic resource element comprises at least one of the followings: a terminal cluster, and a basic unit resource;

wherein the basic unit resource comprises at least one of the followings: a resource block, a resource block pair, a Resource Block Group (RBG), a sub-band, a sub-frame, and a radio frame;

wherein the uplink power control information comprises at least one of the followings:

P O _ PUSCH , α, P O _ NOMINAL _ PUSCH , PL, β offset PUSCH , P O _ PUCCH , P O _ PUCCH _ offset , P O _ NOMINAL _ PUCCH , P SRS _ OFFSET , a power offset factor P offset , wherein P O _ PUSCH , α, P O _ NOMINAL _ PUSCH , PL, β offset PUSCH , P O _ PUCCH , P O _ PUCCH _ offset , P O _ NOMINAL _ PUCCH , and P SRS _ OFFSET are respectively defined according to the 3 rd Generation Partnership Project (3GPP) TS36.213V11.4.0;

wherein the P offset comprises a power offset value of uplink transmission of a node transmitting the uplink power control information, wherein the power offset value is used for indicating average uplink power of the basic resource element of the node transmitting the uplink power control information.

2. The method according to claim 1 , wherein the uplink power control information is used for indicating uplink power information of the basic resource element of the node transmitting the uplink power control information.

3. A method for controlling uplink power, comprising:

generating a plurality of pieces of combined power control information, wherein each of the plurality of pieces of combined power control information comprises: an uplink power control factor and/or Modulation and Coding Scheme (MCS) offset information; and

transmitting the plurality of pieces of combined power control information to a terminal;

wherein the uplink power control factor comprises at least one of the followings:

P O _ PUSCH , α, P O _ NOMINAL _ PUSCH , PL, β offset PUSCH , P O _ PUCCH , P O _ PUCCH _ offset , P O _ NOMINAL _ PUCCH , P SRS _ OFFSET , a relevant offset factor of any uplink power control factor above, and a power offset factor P offset , wherein P O _ PUSCH , α, P O _ NOMINAL _ PUSCH , PL, β offset PUSCH , P O _ PUCCH , P O _ PUCCH _ offset , P O _ NOMINAL _ PUCCH , and P SRS _ OFFSET are respectively defined according to the 3 rd Generation Partnership Project (3GPP) TS36.213V11.4.0, wherein the relevant offset factor is used for indicating an offset value of a corresponding uplink power control factor in a latter piece of combined uplink power control information in the plurality of pieces of combined power control information relative to a former piece of combined power control information;

wherein the P offset comprises a power offset value for indicating uplink transmission power of the terminal, wherein the power offset value is used for indicating an offset of combined power control information, which is after first combined power control information in the plurality of pieces of combined power control information, relative to the first combined power control information.

4. The method according to claim 3 , wherein each piece of combined power control information is used for controlling power used by the terminal to transmit uplink data and/or control information.

5. The method according to claim 4 , wherein after transmitting the plurality of pieces of combined power control information to the terminal, the method further comprises:

according to the plurality of pieces of combined power control information, receiving the uplink data and/or the control information transmitted by the terminal.

6. The method according to claim 5 , wherein receiving, according to the plurality of pieces of combined power control information, the uplink data and/or the control information transmitted by the terminal comprises:

in the case that the uplink data and/or the control information transmitted by the terminal are/is received successfully according to a piece of combined power control information among the plurality of pieces of combined power control information, stopping receiving the uplink data and/or the control information according to other combined power control information among the plurality of pieces of combined power control information.

7. The method according to claim 5 , wherein after receiving, according to the plurality of pieces of combined power control information, the uplink data and/or the control information transmitted by the terminal, the method further comprises:

determining, according to combined power control information used for receiving the uplink data and/or the control information last time, configuration of an uplink sub-frame used for retransmitting the uplink data and/or the control information; and

receiving, through the uplink sub-frame determined according to the configuration, the uplink data and/or the control information retransmitted by the terminal.

8. An uplink transmission method, comprising:

receiving a plurality of pieces of combined power control information which is transmitted by a node and applied to uplink transmission of the node, wherein each of the plurality of pieces of combined power control information comprises: an uplink power control factor and/or Modulation and Coding Scheme (MCS) offset information; and

transmitting uplink data and/or control information according to the plurality of pieces of combined power control information;

wherein receiving the plurality of pieces of combined power control information transmitted by the node comprises: receiving the plurality of pieces of combined power control information which is transmitted by a plurality of nodes and respectively used for uplink transmission of the plurality of nodes;

wherein in the case that the terminal transmits the uplink data and/or the control information in one sub-frame, transmitting the uplink data and/or the control information according to the plurality of pieces of combined power control information comprises: judging whether the uplink data and/or the control information of the two nodes are/is transmitted in the one sub-frame simultaneously; and in the case that only uplink data and/or control information of one node are/is transmitted on the one sub-frame, transmitting the uplink data and/or the control information according to first combined power control information among the plurality of pieces of combined power control information of the one node or according to combined power control information with the smallest index value.

9. The method according to claim 8 , wherein the uplink power control factor comprises at least one of the followings:

P O _ PUSCH , α, P O _ NOMINAL _ PUSCH , PL, β offset PUSCH , P O _ PUCCH , P O _ PUCCH _ offset , P O _ NOMINAL _ PUCCH , P SRS _ OFFSET , a relevant offset factor of any uplink power control factor above, and a power offset factor P offset , wherein P O _ PUSCH , α, P O _ NOMINAL _ PUSCH , PL, β offset PUSCH , P O _ PUCCH , P O _ PUCCH _ offset , P O _ NOMINAL _ PUCCH , and P SRS _ OFFSET are respectively defined according to the 3 rd Generation Partnership Project (3GPP) TS36.213V11.4.0, wherein the relevant offset factor is used for indicating an offset value of a corresponding uplink power control factor in a latter piece of combined uplink power control information in the plurality of pieces of combined power control information relative to a former piece of combined power control information.

10. The method according to claim 9 , wherein the P offset comprises a power offset value for indicating uplink transmission power of a terminal, wherein the power offset value is used for indicating an offset of combined power control information, which is after first combined power control information in the plurality of pieces of combined power control information, relative to the first combined power control information.

11. The method according to claim 8 , wherein in the case that the terminal transmits the uplink data and/or the control information in one sub-frame, transmitting the uplink data and/or the control information according to the plurality of pieces of combined power control information comprises:

judging whether the uplink data and/or the control information of the two nodes are/is transmitted on the one sub-frame simultaneously; and

in the case that uplink data and/or control information of the plurality of nodes are/is transmitted on the one sub-frame, transmitting the uplink data and/or the control information according to one piece of the plurality of pieces of combined power control information respectively corresponding to each node.

12. The method according to claim 11 , wherein transmitting the uplink data and/or the control information according to one piece of the plurality of pieces of combined power control information respectively corresponding to the each node comprises:

judging whether the transmission power for transmitting the uplink data and/or the control information according to first combined power control information among the plurality of pieces of combined power control information corresponding to the each node or according to combined power control information having the smallest index value exceeds the maximum transmission power of the terminal; and

based on that the transmission power exceeds the maximum transmission power of the terminal, transmitting the uplink data and/or the control information according to the first combined power control information among the corresponding plurality of pieces of combined power control information.

13. The method according to claim 12 , wherein in the case that it is judged that the transmission power for transmitting the uplink data and/or the control information according to the first combined power control information among the plurality of pieces of combined power control information corresponding to the each node or the combined power control information having the smallest index value exceeds the maximum transmission power of the terminal, transmitting the uplink data and/or the control information according to one piece of the plurality of pieces of combined power control information respectively corresponding to the each node further comprises:

judging whether the transmission power for transmitting the uplink data and/or the control information according to second combined power control information among the plurality of pieces of combined power control information, which are corresponding to the each node or a node having a low priority among the plurality of nodes, exceeds the maximum transmission power of the terminal; and

based on that the transmission power does not exceed the maximum transmission power of the terminal, transmitting the uplink data and/or the control information of the each node or the node having the low priority among the plurality of nodes according to the second combined power control information among the corresponding plurality of pieces of combined power control information.

14. The method according to claim 13 , wherein in the case that it is judged that the transmission power for transmitting the uplink data and/or the control information according to the second combined power control information among the plurality of combined power control information corresponding the node having the low priority among the plurality of nodes exceeds the maximum transmission power of the terminal, transmitting the uplink data and/or the control information according to one piece of the plurality of pieces of combined power control information respectively corresponding to the each node further comprises:

judging whether the transmission power for transmitting the uplink data and/or the control information according to the second combined power control information among the plurality of pieces of combined power control information corresponding to a node having a high priority among the plurality of nodes exceeds the maximum transmission power of the terminal; and

based on that the transmission power does not exceed the maximum transmission power of the terminal, transmitting the uplink data and/or the control information of the node having a high priority according to the second combined power control information among the corresponding plurality of combined power control information.

15. The method according to claim 8 , wherein after transmitting the uplink data and/or the control information according to the plurality of combined power control information, the method further comprises:

retransmitting the uplink data and/or the control information according to combined power control information for transmitting the uplink data and/or the control information last time.