Abstract: A mobile communication system including: a first wireless base station; a second wireless base station located within a service area of the first wireless base station and configured to have a service area smaller than the service area of the first wireless base station; a wireless terminal configured to couple to the first or second wireless base stations; and a communication control apparatus; wherein the communication control apparatus controls adjustment of communication parameters of the first wireless base station, instructs the second wireless base station whose communication parameters have been changed to measure a wireless quality of the first wireless base station when changes to the communication parameters of the first wireless base station have occurred, obtains the wireless quality measured by the second wireless base station, and determines whether the communication parameters of the first wireless base station were adjusted based on the wireless quality.

Abstract: An information display device is provided. The information display device includes a controller for being able to execute a plurality of applications, a user interface for allowing a user to instruct the controller, and a display unit for simultaneously displaying an application selection menu item for allowing the user to select one of the applications and a common menu item that is used in common between different applications, and an information image created by execution of the selected application. The display unit is configured to display the information image, the application selection menu item, and the common menu item at substantially the same positions on a display screen of the display unit, regardless of which application is selected.

Abstract: A communication apparatus including: a transmitter that transmits a first message to another communication apparatus, a receiver that receives a second message from the other communication apparatus, and a processor that performs time synchronization using the first message and the second message, wherein the processor generates information regarding a delay in the communication processing of the first message in the transmitter and the second message in the receiver in a communication layer in communication with the other communication apparatus, and the processor performs the time synchronization with the other communication apparatus based on the information regarding the delay in a time synchronization layer above the communication layer.

Abstract: An information display device is provided. The information display device includes a controller for being able to execute a plurality of applications, a user interface for allowing a user to instruct the controller, and a display unit for simultaneously displaying an application selection menu item for allowing the user to select one of the applications and an application proprietary menu item that is used with a selected application, along with an information image created by execution of the selected application. The display unit is configured to display the information image, the application selection menu item, and the application proprietary menu at substantially the same position on a display screen of the display unit, regardless of which application is selected.

Abstract: A wireless station includes: a transmitter configured to transmit data to a terminal device by at least one of a first wireless communication method using a reserved first wireless resource, the first wireless communication method using a reserved second wireless resource being a different frequency band from the first wireless resource, and a second wireless communication method; and a processor coupled to the transmitter and configured to: perform transmission of the data by the first wireless communication method using the first wireless resource prioritized over at least one of the first wireless communication method using the second wireless resource and the second wireless communication method, and perform, when the remaining first wireless resource has become less than or equal to a first threshold value, transmission of the data by the at least one of the first wireless communication method using the second wireless resource and the second wireless communication method.

Abstract: A route display device is provided. The device includes an acquirer installed in a movable body and configured to acquire a position and a direction of the movable body. The device also includes a route memory configured to store a route with a plurality of waypoints. The device also includes a display unit including a display screen having a linear route display section and configured to linearly display the route in a vertical axis of the linear route display section and positional relation of either one of the movable body and one or more targets with respect to the route in left-and-right directions of the route in a horizontal axis of the linear route display section. The device also includes a display controller configured to control a display position of either one of the movable body and the target with respect to the route.

Abstract: An apparatus includes a memory; and a processor coupled to the memory and configured to execute a process, the process comprising, transferring a first acknowledge packet to the first device from the second device, the first acknowledge packet indicating that the second device anticipates receiving a first packet among the plurality of packets having been transferred from the first device to the second device; determining whether a second acknowledge packet indicates that the second device anticipates receiving the first packet, when the apparatus receives the second acknowledge packet from the second device after receiving the first acknowledge packet, and delaying transferring the second acknowledge packet to the first device when it is determined that the second device anticipates receiving the first packet.

Abstract: A radio communication method in a radio communication system including a base station apparatus and a terminal apparatus, the method including: generating a public information message including identification information of a surround base station apparatus of the base station apparatus, and instruction information for receiving communication parameter information used to communicate with the terminal and the surround base station apparatus from the surround base station apparatus, by the base station apparatus; transmitting the generated public information message, by the base station apparatus; receiving the public information message, by the terminal apparatus; and receiving the communication parameter information transmitted by the surround base station apparatus based on the instruction information included in the public information message, by the terminal apparatus.

Abstract: A method for cooperative data transfer includes establishing a primary wireless connection with a primary access station. The primary wireless connection uses a primary synchronization channel that is transmitted during a first frame of a super frame. The super frame comprises a plurality of frames. The method also includes detecting a secondary synchronization channel generated by an alternate access station during a subsequent frame of the super frame. The method further includes determining whether the detected secondary synchronization channel has a signal strength greater than a threshold signal strength. The method additionally includes receiving permission to begin a cooperative data transfer operation with both the primary access station and the alternate access station.

Abstract: A method for evaluating a wireless service network includes receiving information indicative of a wireless coverage area associated with each of a plurality of base stations within a geographic area. The method also includes determining a threshold performance requirement within the geographic area. The method additionally includes simulating a deployment of at least one femto base station within the geographic area. The method further includes determining at least a first performance parameter based on the simulated deployment of the at least one femto base station within the geographic area. The method further includes generating a deployment recommendation based on at least the first performance parameter and the threshold performance requirement. The deployment recommendation may indicate whether to deploy the at least one femto base station within the geographic area.

Abstract: A relay station that performs relay processing of data, intervening between a wireless terminal and a wireless base station having a receiving processing unit to obtain a bandwidth request included in the data received from the wireless terminal and a bandwidth allocation control unit to allocate a bandwidth to the wireless terminal based on the bandwidth request obtained by the receiving processing unit is utilized in an aspect.

Abstract: A multi-hop wireless communication system, in which packets of data are transmitted over a connection between a base station (MR-BS) and a subscriber station (SS) via at least one relay station (RS), the packets of data being transmitted in accordance with one of a plurality of service classes each having a respective quality-of-service (QoS), and available bandwidth in the system being shared among a plurality of such connections in accordance with their service classes. To decrease the latency of bandwidth allocation in the system, and to support its scheduler algorithm, the RS has to know the QoS demands and the bandwidth allocating requirements of each connection.

Abstract: A base station apparatus including: a processor configured to extract an specified packet flow among packet flows which are to be transmitted by using a link aggregation of a first radio link and a second radio link, to generate encapsulated packets by adding a link aggregation information to reception packets which are included in the specified packet flow, the link aggregation information indicating that the specified packet flow are to be transmitted by using the link aggregation, and to control the first wireless interface and the second wireless interface such that the encapsulated packets are transmitted by the link aggregation, based on a distribution of the encapsulated packets between the first radio link and the second radio link being determined based on radio qualities, and such that the reception packets which are not included in the specified packet flow are transmitted via the first radio link.

Abstract: A communication method for transmitting a control signal from a first communication apparatus to a second communication apparatus, wherein the first communication apparatus performs a retransmission process in which the control signal is transmitted repeatedly until a positive acknowledgment signal is received or until a termination condition is satisfied, and the second communication apparatus that received the control signal transmits the positive acknowledgment signal to the first communication apparatus and determines, based on a period of time, a control start timing for starting control commanded by the control signal.

Abstract: A relay station comprising a control unit is used in order to control a transmission processing device and a reception processing device to eliminate overlap of the receiving period to receive a radio signal from the radio base station and the transmitting period to transmit a radio signal to a radio terminal under the control. Moreover, a control unit is provided to control the transmission processing device and the reception processing device to eliminate overlap of the transmitting period to transmit a radio signal to the radio base station and the reception period to receive a radio signal from the radio terminal.

Abstract: A relay station relays packets between a transmitting station and a receiving station, and when a transmission packet affixed with a packet number is received, the relay station generates a divided data unit by dividing the data included in the transmission packet, then generates a divided packet including the divided data unit affixed with the packet number and dividing position information indicating the dividing position of the divided data unit, and transmits the divided packet to the receiving station. Alternatively, the relay station generates a divided data unit by dividing the data in the received transmission packet, then generates a divided packet including the divided data unit affixed with a new packet number, and transmits the divided packet to the receiving station. An ARQ process is executed using the dividing position information or the new packet number included in the divided packet.

Abstract: A route planning apparatus is provided. The apparatus may include a display, a user interface, a caution information reader, and a route verifier. The display displays a user-scheduled route on a map. The user interface accepts an input of time and date to travel on the route. The caution information reader reads caution information having influence on the travel and associated with position, and time and date. The route verifier verifies whether the travel on the route is available based on one or more positions, and times and dates at which the caution information read by the caution information reader indicates, one or more positions on the route, and the inputted travel time and date.

Abstract: An electronic map display device is provided. The device acquires electronic maps and displays the electronic maps, each electronic map being acquired per acquisition unit. The electronic map display device may include a map information display determiner for determining whether the electronic map is currently available per acquisition unit, and a map information display interface for displaying information relating to the electronic map per the acquisition unit depending on whether the electronic map is currently available.

Abstract: A relay station that includes a receiver configured to receive a signal sequence indicating a connection request, the signal sequence being selected from a predetermined signal sequence group which is used by a plurality of radio terminals, and to measure reception quality; and a control circuit configured to generate a ranging request message indicating that a radio terminal requesting connection exists when determining that adjustments are not necessary based on the reception quality; and a transmitter configured to transmit the ranging request message to a radio base station.

Abstract: A method for implementing a self organizing network includes establishing a connection between a femto base station and a network access device operable to provide the femto base station with Internet access. The method also includes establishing a backhaul connection between the femto base station and a wireless service provider's network via the Internet. The method further includes establishing a wireless connection with one or more endpoints via a radio frequency (RF) channel. The method additionally includes transmitting, from the femto base station to the wireless service provider's network, neighborhood RF interference information via the backhaul connection. The method also includes receiving RF channel re-provisioning information from the wireless service provider's network and re-provisioning the RF channel. The method further includes participating in a hand-off procedure to hand-off the endpoints to the re-provisioned RF channel.