Device, method and user equipment in a wireless communication system

1. A device in a wireless communication system, the device comprising:

circuitry configured to

acquire a user equipment parameter from user equipment,

determine master user equipment according to proximity of the user equipment to a center of communication data process flow which is determined based on the user equipment parameter, wherein the master user equipment is connected to an associated infrastructure and forwards data and/or signaling for other user equipment, the center of communication data process flow including communication load on the link among network nodes, channel quality, and geographic position of each user equipment, and

send to the user equipment a networking control signaling including information about the master user equipment.

2. The device according to claim 1 , wherein the circuitry is further configured to determine the master user equipment by being further configured to

acquire a distribution feature parameter indicating the proximity of the user equipment to the center of the communication data processing flow according to the user equipment parameter, and

select the master user equipment according to the distribution feature parameter.

3. The device according to claim 2 , wherein the circuitry is further configured to determine the master user equipment by being further configured to

calculate a forwarding feature parameter of the user equipment according to at least one of an amount of data and signaling forwarding of the user equipment, a forwarding probability indicating that the user equipment succeeds in forwarding and a forwarding level indicating forwarding capability of the user equipment which are included in the user equipment parameter, and

select the master user equipment according to the forwarding feature parameter.

4. The device according to claim 3 , wherein the circuitry is further configured to

group the user equipment according to a networking mode parameter in the user equipment parameter,

determine a set of candidate master user equipment in each group of user equipment according to a link quality between each user equipment in this group and associated infrastructure, and

calculate the distribution feature parameter of each of the set of candidate master user equipment in each group according to position information between each candidate master user equipment in this group and other user equipment as well as an infrastructure associated therewith.

5. The device according to claim 4 , wherein circuitry is further configured to divide the user equipment for which the networking mode parameter indicates establishment of device to device interconnection and/or point to multi-point interconnection and which have the same interconnection identifier as a first type group, divide the user equipment for which the networking mode parameter indicates being accessible via other user equipment as a second type group, and divide the user equipment for which the networking mode parameter indicates accessing only via an infrastructure as a third type group.

6. The device according to claim 5 , wherein for the second type group, the circuitry is further configured to divide coverage of the infrastructure into a plurality of sectors according to regional distribution so that user equipment in each sector are divided as one group, and

determine the set of candidate master user equipment in a unit of sector.

7. The device according to claim 5 , wherein for the first type group, the circuitry is configured to calculate the distribution feature parameter of each candidate master user equipment in this group according to distances between said candidate master user equipment and all other user equipment in this group as well as an infrastructure associated with this candidate master user equipment, and

wherein for the second type group, the circuitry is configured to calculate the distribution feature parameter of each candidate master user equipment in this group according to distances between this candidate master user equipment and user equipment other than the set of candidate master user equipment in this group as well as an infrastructure associated with this candidate master user equipment.

8. The device according to claim 4 , wherein the circuitry is further configured to calculate the distribution feature parameter of each of the set of candidate master user equipment in each group according to transmission load on a communication link associated with this candidate master user equipment.

9. The device according to claim 4 , wherein the circuitry is further configured to calculate the forwarding feature parameter of the user equipment in each group based on the grouped user equipment.

10. The device according to claim 3 , wherein the circuitry is further configured to

select slave user equipment associated with the master user equipment according to at least the forwarding feature parameter, wherein the slave user equipment communicates with other user equipment and the infrastructure via the associated master user equipment, and

send the networking control signaling including information about the slave user equipment to the user equipment.

11. A method in a wireless communication system, the method comprising:

acquiring a user equipment parameter from user equipment;

determining master user equipment according to proximity of the user equipment to a center of communication data process flow which is determined based on the user equipment parameter, wherein the master user equipment is connected to an associated infrastructure and forwards data and/or signaling for other user equipment, the center of communication data process flow including communication load on the link among network nodes, channel quality, and geographic position of each user equipment; and

sending to the user equipment a networking control signaling including information about the master user equipment.

12. The method according to claim 11 , wherein the determining step further comprises:

acquiring a distribution feature parameter indicating the proximity of the user equipment to the center of communication data process flow according to the user equipment parameter; and

selecting the master user equipment according to the distribution feature parameter.

13. The method according to claim 12 , wherein the determining step further comprises:

calculating a forwarding feature parameter of the user equipment according to at least one of an amount of data and signaling forwarding of the user equipment, a forwarding probability indicating that the user equipment succeeds in forwarding and a forwarding level indicating forwarding capability of the user equipment which are included in the user equipment parameter, and

wherein in the selecting step, the master user equipment is selected further according to the forwarding feature parameter.

14. The method according to claim 13 , wherein the acquiring step further comprises:

grouping the user equipment according to a networking mode parameter in the user equipment parameter;

determining a set of candidate master user equipment in each group of user equipment according to a link quality between each user equipment in this group and its associated infrastructure; and

calculating the distribution feature parameter of each of the set of candidate master user equipment in each group according to position information between each candidate master user equipment in this group and other user equipment as well as an infrastructure associated therewith.

15. The method according to claim 14 , wherein in the grouping step, the user equipment for which the networking mode parameter indicates establishment of device to device interconnection and/or point to multi-point interconnection and which have the same interconnection identifier are further divided as a first type group, the user equipment for which the networking mode parameter indicates being accessible via other user equipment are divided as a second type group, and the user equipment for which the networking mode parameter indicates accessing only via an infrastructure are divided as a third type group.

16. The method according to claim 15 , wherein for the first type group, in the calculating the distribution feature parameter step, the distribution feature parameter of each candidate master user equipment in this group is calculated according to distances between this candidate master user equipment and all other user equipment in this group as well as an infrastructure associated with this candidate master user equipment, and

wherein for the second type group, in the calculating the distribution feature parameter step, the distribution feature parameter of each candidate master user equipment in this group is calculated according to distances between this candidate master user equipment and user equipment other than the set of candidate master user equipment in this group as well as an infrastructure associated with this candidate master user equipment.

17. The method according to claim 13 , further comprising:

selecting slave user equipment associated with the master user equipment according to at least the forwarding feature parameter, wherein the slave user equipment communicates with other user equipment and the infrastructure via the associated master user equipment, and

wherein in the sending step, the networking control signaling including information about the slave user equipment is further sent to the user equipment.