A mobile station , comprising: a processor , configured for generating energy-saving information associated with said mobile station , which indicates an energy status of said mobile station ; a transmitter , configured for transmitting the energy-saving information to at least one first network node ; and a receiver , configured for receiving an energy-saving instruction, from said at least one first network node based on the energy-saving information; wherein the receiver is further configured for receiving a request for the energy-saving information of the mobile station , from at least one first network node ; wherein the energy-saving information further comprises an energy-saving configuration associated with at least one operation of said mobile station , and wherein the energy-saving information further comprises an indication of a preferred configuration of parameters associated with at least one operation of the mobile station, wherein the energy-saving configuration comprises at least one of: an energy-saving configuration of parameters associated with monitoring of at least one other network node operating in discontinuous transmission mode, which is distinct from the first network node ; and an energy-saving configuration of another mobile station operation, particularly to cell-search, cell detection, random access, monitoring of network nodes , monitoring and/ or discovering other mobile stations and/ or configuration of a device-to-device operation. a processor , configured for generating energy-saving information associated with said mobile station , which indicates an energy status of said mobile station ; a transmitter , configured for transmitting the energy-saving information to at least one first network node ; and a receiver , configured for receiving an energy-saving instruction, from said at least one first network node based on the energy-saving information; wherein the receiver is further configured for receiving a request for the energy-saving information of the mobile station , from at least one first network node ; wherein the energy-saving information further comprises an energy-saving configuration associated with at least one operation of said mobile station , and wherein the energy-saving information further comprises an indication of a preferred configuration of parameters associated with at least one operation of the mobile station, wherein the energy-saving configuration comprises at least one of: an energy-saving configuration of parameters associated with monitoring of at least one other network node operating in discontinuous transmission mode, which is distinct from the first network node ; and an energy-saving configuration of another mobile station operation, particularly to cell-search, cell detection, random access, monitoring of network nodes , monitoring and/ or discovering other mobile stations and/ or configuration of a device-to-device operation. an energy-saving configuration of parameters associated with monitoring of at least one other network node operating in discontinuous transmission mode, which is distinct from the first network node ; and an energy-saving configuration of another mobile station operation, particularly to cell-search, cell detection, random access, monitoring of network nodes , monitoring and/ or discovering other mobile stations and/ or configuration of a device-to-device operation. <EOS>