Abstract: There is provided a wireless communication device including a wireless communication unit configured to receive application information, the application information indicating which of a content providing side or a content user side an application of each of one or more second wireless communication devices is, a setting unit configured to set a parameter indicating a priority to operate as a master unit in accordance with, among the wireless communication device and the second wireless communication device(s), a relationship between the number of providing devices whose applications are content providing sides and the number of user devices whose applications are content user sides, and a control unit configured to control a negotiation with at least one of the second wireless communication devices to determine a wireless communication device to operate as a master unit, using the parameter set by the setting unit.

Abstract: Provided is a wireless communication device including a control unit that controls the wireless communication device to act as a group owner or a client, and a communication unit that communicates with another wireless communication device according to control by the control unit, and, when a communication group having a topology where the wireless communication device acts as a group owner and the another wireless communication device acts as a client of the wireless communication device is formed, and a new wireless communication device to enter the communication group appears, the control unit determines whether or not to change a topology of the communication group.

Abstract: There is provided a wireless communication device including a wireless communication section which receives, in a group for wireless communication, information indicating a state of content use or provision by another device in the group, a calculation section which calculates, based on the received information, a number of devices operating a function of providing the content in the group and a number of devices operating a function of using the content in the group, and a judgment section which judges whether to change a topology of the group based on a relationship between the number of devices operating the function of providing the content and the number of devices operating the function of using the content and on states of content provision and use by a device operating as a master unit in the group.

Abstract: Provided is a radio communication system including a first radio communication device, and a second radio communication device that communicates with a radio communication device operating as a master unit and being connected, wherein the second radio communication device includes a communication unit that communicates with the radio communication device being connected, and a control unit that controls the communication unit to send a response packet to the first radio communication device when a response request packet broadcasted from the first radio communication device is received by the communication unit.

Abstract: A resending control circuit for controlling resending of data to be sent to a sending destination, includes: a writing unit for writing resending information generated corresponding to each of data to be resent and including the resending point-in-time of the data in memory; a reading unit for reading out the resending information from the memory; and a control unit for comparing resending point-in-time included in the oldest resending information of resending information stored in the memory with current point-in-time, and executing resending processing of data corresponding to the resending information according to the comparison result.

Abstract: There is provided a wireless communication device including a wireless communication unit configured to receive application information, the application information indicating which of a content providing side or a content user side an application of each of one or more nearby wireless communication devices is, a setting unit configured to set a parameter indicating a priority to operate as a master unit in accordance with, among the wireless communication device and the nearby wireless communication device(s), a relationship between the number of providing devices whose applications are content providing sides and the number of user devices whose applications are content user sides, and a control unit configured to control a negotiation with at least one of the nearby wireless communication devices to determine a wireless communication device to operate as a master unit, using the parameter set by the setting unit.

Abstract: Provided is a wireless communication apparatus including a communication unit capable of wireless communication with another wireless communication apparatus, a determination unit for determining whether the communication unit is in proximity to the other wireless communication apparatus, and a control unit for performing, in a case the communication unit is determined to be in proximity to the other wireless communication apparatus, a connection procedure between the communication unit and the other wireless communication apparatus.

Abstract: Provided is a wireless communication device including a control unit that controls the wireless communication device to act as a group owner or a client, and a communication unit that communicates with another wireless communication device according to control by the control unit, and, when a communication group having a topology where the wireless communication device acts as a group owner and the another wireless communication device acts as a client of the wireless communication device is formed, and a new wireless communication device to enter the communication group appears, the control unit determines whether or not to change a topology of the communication group.

Abstract: Provided is a wireless communication device including a receiving unit that receives, from one or more than one first wireless communication devices, information indicating an order of each of the one or more than one first wireless communication devices in a queue for data communication with a second wireless communication device, an order management unit that manages an order of its own device in the queue based on the information received by the receiving unit from the one or more than one first wireless communication devices, and a transmitting unit that transmits information indicating the order of its own device in the queue managed by the order management unit.

Abstract: Provided is a wireless communication device including a communication unit, a storage unit that stores information of one wireless communication device forming a same communication group as the wireless communication device, received by the communication unit, and a control unit that discloses the information of the one wireless communication device during an information disclosure period initiated based on user operation for connecting the one wireless communication device forming the communication group and another wireless communication device and does not disclose the information of the one wireless communication device during another period.

Abstract: Provided is a wireless communication device including a communication unit that communicates with another wireless communication device, a role determination unit that determines a role of either acting as a group owner or a client based on information of said another wireless communication device received by the communication unit, and a communication control unit that controls communication for forming a wireless communication group with said another wireless communication device, as a device that plays the role determined by the role determination unit.

Abstract: A communication system includes a transmission device and a reception device. The transmission device includes a first software processor that performs, if a first information portion has been updated, software processing on the first information portion, a first hardware processor that performs hardware processing on a second information portion, a generation unit that generates a beacon signal, and a transmitter that transmits the generated beacon signal. The reception device includes a reception unit that receives the beacon signal, a separator that separates the first information portion from the second information portion, a second hardware processor that performs hardware processing on the separated second information portion, a determination unit that determines whether the separated first information portion has been updated, and a second software processor that performs, if the first information portion has been updated, software processing on the updated first information portion.

Abstract: Provided is a radio communication device which includes a communication unit that communicates with a connected radio communication device operating as a master unit, and a control unit that, when a prescribed inquiry packet sent from another radio communication device is received by the communication unit, controls the communication unit to send a response packet containing service information indicating a service with which the radio communication device is compatible to said another radio communication device.

Abstract: There is provided a radio communication device including a reception unit which receives information indicating a connection state or a communication capability of another radio communication device which the radio communication device attempts to connect to, and a selection unit which selects, depending on the information received by the reception unit, which communication is to be performed from among first communication in which a direct connection to such other radio communication device is established and direct communication with such other radio communication device is performed, second communication in which a connection to such other radio communication device via a base station is established and direct communication with such other radio communication device is performed, and third communication in which a connection to such other radio communication device via the base station is established and indirect communication with such other radio communication device via the base station is performed.

Abstract: A resending control circuit for controlling resending of data to be sent to a sending destination, includes: a writing unit for writing resending information generated corresponding to each of data to be resent and including the resending point-in-time of the data in memory; a reading unit for reading out the resending information from the memory; and a control unit for comparing resending point-in-time included in the oldest resending information of resending information stored in the memory with current point-in-time, and executing resending processing of data corresponding to the resending information according to the comparison result.

Abstract: Provided is a radio communication system including a first radio communication device, and a second radio communication device that communicates with a radio communication device operating as a master unit and being connected, wherein the second radio communication device includes a communication unit that communicates with the radio communication device being connected, and a control unit that controls the communication unit to send a response packet to the first radio communication device when a response request packet broadcasted from the first radio communication device is received by the communication unit.

Abstract: A communication apparatus includes a storage unit having a plurality of storage areas corresponding to a plurality of candidates of a destination of data to be transmitted, a detecting unit for detecting the amount of data stored in each of the storage areas, a destination selecting unit for selecting one destination from among the destination candidates on the basis of at least the amount of data detected by the detecting unit, and a transmission signal generating unit for reading out a predetermined amount of data to be transmitted to the destination selected by the destination selecting unit, from the corresponding storage area, and generating a transmission signal.

Abstract: A resending control circuit for controlling resending of data to be sent to a sending destination, includes: a writing unit for writing resending information generated corresponding to each of data to be resent and including the resending point-in-time of the data in memory; a reading unit for reading out the resending information from the memory; and a control unit for comparing resending point-in-time included in the oldest resending information of resending information stored in the memory with current point-in-time, and executing resending processing of data corresponding to the resending information according to the comparison result.

Abstract: A resending control circuit for controlling resending of data to be sent to a sending destination, includes: a writing unit for writing resending information generated corresponding to each of data to be resent and including the resending point-in-time of the data in memory; a reading unit for reading out the resending information from the memory; and a control unit for comparing resending point-in-time included in the oldest resending information of resending information stored in the memory with current point-in-time, and executing resending processing of data corresponding to the resending information according to the comparison result.

Abstract: A communication apparatus includes a storage unit having a plurality of storage areas corresponding to a plurality of candidates of a destination of data to be transmitted, a detecting unit for detecting the amount of data stored in each of the storage areas, a destination selecting unit for selecting one destination from among the destination candidates on the basis of at least the amount of data detected by the detecting unit, and a transmission signal generating unit for reading out a predetermined amount of data to be transmitted to the destination selected by the destination selecting unit, from the corresponding storage area, and generating a transmission signal.