Resolution method and apparatus for simultaneous transmission and receiving contention in a device-to-device cellular reuse system

An apparatus, comprising:

• at least one processor;
• and
• at least one memory including computer program code;
• the at least one memory and the computer program code are configured, with the at least one processor, to cause the apparatus at least to
• detect re-usable cellular resources based on scheduling information;
• receive related information from a D2D node, the related information identifying the re-usable cellular resources for the D2D node;
• identify common and different re-usable cellular resources between the apparatus and the D2D node;
• receive updated scheduling information;
• determine, from the detected re-usable cellular resources, whether there is a simultaneous transmission/reception contention;
• and
• when it is determined that there is a simultaneous transmission/reception contention, resolve the contention by dynamically selecting a direction of communication based on a preconfigured decision criteria, wherein the direction of communication is one of transmission or reception.

A computer program, embodied on a non-transitory computer readable medium, the computer program configured to control a processor to perform operations, comprising:

• detecting, at a device-to-device (D2D) node, re-usable cellular resources based on the scheduling information;
• receiving related information from another D2D node, the related information identifying the re-usable cellular resources for the another D2D node;
• identifying common and different re-usable cellular resources between the D2D node and the another D2D node;
• receiving updated scheduling information;
• determining, from the detected re-usable cellular resources, whether there is a simultaneous transmission/reception contention;
• and
• when it is determined that there is a simultaneous transmission/reception contention, resolving the contention by dynamically selecting a direction of communication based on a preconfigured decision criteria, wherein the direction of communication is one of transmission or reception.