DESC:METHOD AND SYSTEM FOR SCHEDULING INTERFERENCE AWARE OPTIMAL UPLINK FOR DEVICE-TO-DEVICE COMMUNICATION UNDERLYING LTE NETWORKS ,CLAIMS:1. A method for an interference aware optimal device-to-device (D2D) communication and uplink scheduling underlying a Long Term Evolution (LTE) network; said method comprising steps of:

a. registering a plurality of users equipment (UEs) with a single cell with one Evolved Node B (eNB) over the Long Term Evolution (LTE) network wherein each of the plurality of users equipment (UEs) are capable of transmitting at least one data packet of multiple flows through the Evolved Node B (eNB);
b. initiating connection by the plurality of users equipment (UEs) with Evolved Node B (eNB) by starting random access procedure;
c. discovering device-to-device (D2D) communication between the actively connected plurality of users equipment (UEs) by collecting location and channel information of the actively connected plurality of users equipment (UEs) by the Evolved Node B (eNB) through SRS packets;
d. segregating and classifying the actively connected plurality of users equipment (UEs) in device-to-device and cellular users by the Evolved Node B (eNB) by utilizing collected location and channel information of the actively connected plurality of users equipment (UEs); and
e. scheduling the two-phase interference aware optimal uplink for device-to-device communication for segregated actively connected device-to-device (D2d) and cellular users out of the plurality of users equipment (UEs) by the Evolved Node B (eNB), underlying the Long Term Evolution (LTE) network.

2. The method as claimed in claim 1, wherein the plurality of users equipment (UEs) is selected from a group comprising of static or mobile user equipment.

3. The method as claimed in claim 1, wherein mode of communications between the actively connected plurality of users equipment (UEs) is selected from a group comprising directly with each other and through the Evolved Node B (eNB).

4. The method as claimed in claim 1, further comprises of collecting one or more request messages from the plurality of users equipment (UEs) by the Evolved Node B (eNB).

5. The method as claimed in claim 1, wherein the one or more request messages from the plurality of users equipment (UEs) are collected by the Evolved Node B (eNB) using contention based techniques.

6. The method as claimed in claim 1, wherein the scheduling the two-phase interference aware optimal uplink for device-to-device communication underlying the Long Term Evolution (LTE) network is enabled by a Long Term Evolution (LTE) uplink Frequency Division Duplexing (FDD) frame structure.

7. The method as claimed in claim 6, wherein the Long Term Evolution (LTE) uplink Frequency Division Duplexing (FDD) frame structure further comprises of dividing a frame length in to a plurality of sub-frames; dividing the plurality of sub-frames into at least two slots; and dividing available system bandwidth into a plurality of Resource Blocks (RBs) corresponds to at least one slot.

8. The method as claimed in claim 1, wherein a wireless channel between the plurality of users equipment (UEs) and the Evolved Node B (eNB) is frequency selective and time varying in nature and is modeled through Log-normal shadowing and Rayleigh fading.

9. The method as claimed in claim 1, wherein the plurality of users equipment (UEs) reports uplink channel condition using a Sounding Reference Signal (SRS).

10. The method as claimed in claim 1, further comprises of assigning adaptive modulation and coding rates to each of the plurality of users equipment (UEs) by the Evolved Node B (eNB) based on a signal-to-interference-plus-noise ratio (SINR) received at the Evolved Node B (eNB).

11. The method as claimed in claim 1, wherein scheduling the two-phase interference aware optimal uplink for device-to-device communication for segregated actively connected device-to-device (D2D) and cellular users out of the plurality of users equipment (UEs) by the Evolved Node B (eNB), underlying the Long Term Evolution (LTE) network further comprises of scheduling cellular users for the plurality of Resource Blocks (RBs) set in the Long Term Evolution (LTE) frame; and scheduling valid and non-interfering device-to-device (D2D) users along with the already scheduled cellular users for the plurality of Resource Blocks (RBs) with no or minimal total interference.

12. The method as claimed in claim 1, further comprises of facilitating device-to-device (D2D) communications under 3rd Generation Partnership Project (3GPP).

13. A system for scheduling an interference aware optimal uplink for device-to-device (D2D) communication underlying a Long Term Evolution (LTE) network; said system comprising a single cell with one eNB communicatively coupled to a plurality of users equipment (UEs) over the Long Term Evolution (LTE) network adapted for executing:

a. registering a plurality of users equipment (UEs) with a single cell with one Evolved Node B (eNB) over the Long Term Evolution (LTE) network wherein each of the plurality of users equipment (UEs) is capable of transmitting at least one data packet of multiple flows through the Evolved Node B (eNB);
b. initiating connection by the plurality of users equipment (UEs) with Evolved Node B (eNB) by starting random access procedure;
c. discovering device-to-device (D2D) communication between the actively connected plurality of users equipment (UEs) by collecting location and channel information of the actively connected plurality of users equipment (UEs) by the Evolved Node B (eNB) through SRS packets;
d. segregating the actively connected plurality of users equipment (UEs) in device-to-device and cellular users by the Evolved Node B (eNB) by utilizing collected location and channel information of the actively connected plurality of users equipment (UEs); and
e. scheduling the two-phase interference aware optimal uplink for device-to-device communication for segregated actively connected device-to-device (D2d) and cellular users out of the plurality of users equipment (UEs) by the Evolved Node B (eNB), underlying the Long Term Evolution (LTE) network.

14. The system as claimed in claim 13, wherein the plurality of users equipment are registered to the Evolved Node B (eNB).

15. The system as claimed in claim 13, wherein the plurality of users equipment (UEs) is selected from a group comprising of static or mobile user equipment.

16. The system as claimed in claim 13, wherein mode of communications between the actively connected plurality of users equipment (UEs) is selected from a group comprising directly with each other and through the Evolved Node B (eNB).

17. The system as claimed in claim 13, wherein the scheduling the two-phase interference aware optimal uplink for device-to-device communication underlying the Long Term Evolution (LTE) network is enabled by a Long Term Evolution (LTE) uplink Frequency Division Duplexing (FDD) frame structure.

18. The system as claimed in claim 17, wherein the Long Term Evolution (LTE) uplink Frequency Division Duplexing (FDD) frame structure further comprises of dividing a frame length in to a plurality of sub-frames; dividing the plurality of sub-frames into at least two slots; and dividing available system bandwidth into a plurality of Resource Blocks (RBs) corresponds to at least one slot.

19. The system as claimed in claim 13, further comprises of assigning adaptive modulation and coding rates to each of the plurality of users equipment (UEs) by the Evolved Node B (eNB) based on a signal-to-interference-plus-noise ratio (SINR) received at the Evolved Node B (eNB).

20. The system as claimed in claim 13, wherein scheduling the two-phase interference aware optimal uplink for device-to-device communication for segregated actively connected device-to-device (D2D) and cellular users out of the plurality of users equipment (UEs) by the Evolved Node B (eNB), underlying the Long Term Evolution (LTE) network further comprises of scheduling cellular users for the plurality of Resource Blocks (RBs) set in the Long Term Evolution (LTE) frame; and scheduling valid and non-interfering device-to-device (D2D) users along with the already scheduled cellular users for the plurality of Resource Blocks (RBs) with no or minimal total interference.