Method of making a coexistence decision on distributed topology

A method of allocating a resource in wireless communication system, the method comprising:

• receiving, by a coexistence discovery and information server (CDIS) entity, at least one available resource from a TV database (TVDB) entity;
• performing, by the CDIS entity, a neighbor set calculation based on the received at least one available resource, wherein the neighbor of at least one coexistence manager (CM) entity is calculated by the neighbor set calculation;
• and
• calculating, by the CDIS entity, the resource according to the neighbor set calculation,
• wherein the calculated resource is negotiated among a plurality of coexistence manager (CM) entities, and
• wherein the resource is allocated to at least one TV band device (TVBD) after the negotiation by the CM entities.