Abstract: According to various embodiments, a method for determining information about a communication parameter may be provided. The method may include providing information about the communication parameter in at least one of an add block acknowledgement request signal, an acknowledgement signal for an add block acknowledgement request signal, an add block acknowledgement response signal, or an acknowledgement signal for an add block acknowledgement response signal.

Abstract: The present invention is directed to a communication terminal in a wireless communication network. The communication terminal includes a receiver configured to receive a first message comprising a media access control (MAC) frame at a first transmission rate from a communication device in the wireless communication network; a message generator configured to generate a second message in response to the received first message, the second message comprising a control response frame; and a transmitter configured to transmit the control response frame at a second transmission rate, wherein the second transmission rate is lower than or equal to the first transmission rate; and wherein the second transmission rate is dependent on a difference in qualities between downlink communication and uplink communication between the communication device and the communication terminal. Methods of modulating a message for transmission in the wireless communication network are also disclosed.

Abstract: In various embodiments, a method of controlling a station may be provided. The method may include receiving a first signal from an access point, the first signal including information indicating a time period. The method may further include deactivating the station after receiving the first signal and before expiry of the time period. The method may also include activating the station upon expiry of the time period.

Abstract: The present invention is directed to a compression device including an identifier determination circuit configured to determine a first identifier value identifying a first communication terminal of a network, and a second identifier value identifying a second communication terminal of the network; a differential determination circuit configured to determine a differential value based on a difference between the first identifier value and the second identifier value; and a compressed string generation circuit configured to insert the differential value into a compressed string. A compression method, a decompression device and a decompression method are also disclosed.

Abstract: In various embodiments, a method of selecting one or more nodes from a plurality of nodes for establishing wireless communication with an access point including defining a filter, filtering the one or more nodes from the plurality of nodes using the filter and sending a linking signal from each of the one or more nodes to the access point for establishing wireless communication with the access point.

Abstract: A compression device which may include: a subset determination circuit configured to determine a subset of a transmission indication map, the transmission indication map including a plurality of bits, each bit indicating whether data to be transmitted to a respective pre-determined radio communication terminal is present in an access point; a pre-determined bit value determination circuit configured to determine whether the subset includes a bit of a pre-determined bit value; and a compressed string generation circuit configured to insert, if the subset includes a bit of the pre-determined bit value, into a compressed string an indicator indicating that the subset includes a bit of the pre-determined bit value and the subset and further configured to include, if the subset does not includes a bit of the pre-determined bit value, into the compressed string an indicator indicating that the subset does not include a bit of the pre-determined bit value.

Abstract: A method for communicating by using a convergence carrier wave, an access network device and a terminal are provided. The method includes: scheduling a synchronizing signal and a broadcasting signal of a system onto a first available transmission frequency segment of a convergence carrier wave to transmit the synchronizing and the broadcasting signal to a terminal, where the convergence carrier wave includes at least two available transmission frequency segments, and a bandwidth of the convergence carrier wave is smaller than or equal to the maximum working bandwidth of the system; determining to use the at least two available transmission frequency segments of the convergence carrier wave to communicate with the terminal; and communicating with the terminal on the at least two available transmission frequency segments of the convergence carrier wave.

Abstract: The present invention is directed to a base station including a transceiver configured to communicate with another base station using a radio resource, wherein the radio resource is allocated to the base station to serve communication devices located in a radio cell operated by the base station. A method of operating a base station is also disclosed.

Abstract: In a first implementation, a method for performing direct mobile-to-mobile communication in a cellular mobile communication system, the cellular mobile communication system having at least two mobile stations and a communication network for providing a communication connection between the at least two mobile stations via at least one base station of the communication network is provided, method for performing direct mobile-to-mobile communication in a cellular mobile communication system includes associating a first mobile station and a second mobile station with the at least one base station, performing neighbor discovery between the first mobile station and the second mobile station for reporting to the at least one base station, detecting the feasibility of direct communication between the first mobile station and the second mobile station, establishing a direct communication link between the at least two mobile stations, allocating identification for communication and flow and resources for a flow between

Abstract: A method for enabling a forwarding to network operation in a cellular mobile communication system is described, the cellular mobile communication system comprising a plurality of mobile stations and at least one base station, the method comprising: reporting forwarding capability of a first mobile station of the plurality of mobile stations with the at least one base station; discovering neighboring mobile stations to the first mobile station; selecting a second mobile station from the neighboring mobile stations and establishing a forwarding link between the first mobile station and the second mobile station; allocating radio resources for a link between the first mobile station and the second mobile station; and synchronizing the link between the first mobile station and the second mobile station to establish the forwarding network.

Abstract: A infrastructure station in a cellular mobile communication system, the infrastructure station includes a infrastructure station core configured to provide infrastructure station functionality to a plurality of dependent stations, a topographer configured to discover a network topology and designate a failover topology from the network topology for use in the event that the infrastructure station fails thereby no longer being capable of providing infrastructure station functionality to the plurality of dependent stations, the failover topology comprising failover stations, and a synchronizer configured to periodically provide timing estimates of dependent stations to the failover stations such that network reentry after infrastructure station failure is shorter than normal network entry.

Abstract: A dynamic spectrum allocation method and device are provided. The method includes: finding non-idle frequency bands in the coverage of a communication device according to information in a database; selecting a frequency band from the non-idle frequency bands as a negotiation frequency band, and sending a spectrum assignment request to an interfering device using the negotiation frequency band; and acquiring usage assignment of the interfering device, in which the usage assignment is a response to the spectrum assignment request. The technical solutions can effectively allocate dynamic spectrum resources to a communication device, and are simple to implement.

Abstract: A carrier aggregation method and a carrier aggregation device are related to the field of communications technologies. The method includes: acquiring information of available spectrum resources; selecting an available frequency band less than a maximum design bandwidth and greater than or equal to a minimum design bandwidth as a base frequency band when the available frequency band exists in the available spectrum resources; determining a frequency band with a width being the maximum design bandwidth, where the frequency band with the width being the maximum design bandwidth has a center frequency which is an integral multiple of a minimum channel raster and is the closest to a center of the base frequency band; and determining an aggregated carrier by using the frequency band with the width being the maximum design bandwidth.

Abstract: According to one embodiment, a communication device is described comprising a determining circuit configured to determine a measure based on the time necessary for the transmission of a message from the communication device to at least one other communication device, a comparing circuit configured to compare the determined measure with a predetermined threshold, a controller configured to decide whether the message should be sent using a collision protection mechanism based on the result of the comparison, a message generating circuit configured to generate the message and a transmitter configured to send the message in accordance with the decision.

Abstract: A method for communicating by using a convergence carrier wave, an access network device and a terminal are provided. The method includes: scheduling a synchronizing signal and a broadcasting signal of a system onto a first available transmission frequency segment of a convergence carrier wave to transmit the synchronizing and the broadcasting signal to a terminal, where the convergence carrier wave includes at least two available transmission frequency segments, and a bandwidth of the convergence carrier wave is smaller than or equal to the maximum working bandwidth of the system; determining to use the at least two available transmission frequency segments of the convergence carrier wave to communicate with the terminal; and communicating with the terminal on the at least two available transmission frequency segments of the convergence carrier wave.

Abstract: A dynamic spectrum allocation method and device are provided. The method includes: finding non-idle frequency bands in the coverage of a communication device according to information in a database; selecting a frequency band from the non-idle frequency bands as a negotiation frequency band, and sending a spectrum assignment request to an interfering device using the negotiation frequency band; and acquiring usage assignment of the interfering device, in which the usage assignment is a response to the spectrum assignment request. The technical solutions can effectively allocate dynamic spectrum resources to a communication device, and are simple to implement.

Abstract: A carrier aggregation method and a carrier aggregation device are related to the field of communications technologies. The method includes: acquiring information of available spectrum resources; selecting an available frequency band less than a maximum design bandwidth and greater than or equal to a minimum design bandwidth as a base frequency band when the available frequency band exists in the available spectrum resources; determining a frequency band with a width being the maximum design bandwidth, where the frequency band with the width being the maximum design bandwidth has a center frequency which is an integral multiple of a minimum channel raster and is the closest to a center of the base frequency band; and determining an aggregated carrier by using the frequency band with the width being the maximum design bandwidth.

Abstract: A method of determining whether a frequency channel is available for data transmission for a communication device is provided. The method provided comprises dynamically selecting a time interval for determining whether the frequency channel is available for data transmission for the communication device. The method provided further comprises determining whether the frequency channel is available for data transmission for the communication device, during the time interval selected.