1. A method for use in small cell and user equipment discovery, the method comprising: obtaining, at a user equipment, information regarding small cell discovery on macro layer; obtaining, at the user equipment, information regarding user equipment discovery; determining, at the user equipment, whether the information regarding user equipment discovery depends on the information regarding small cell discovery; in response to determining that the information regarding user equipment discovery depends on the information regarding small cell discovery, building parameters for user equipment discovery based on parameters for small cell discovery included in the information regarding small cell discovery; and initiating, at the user equipment, small cell discovery and user equipment discovery based on the parameters.