Patent ID: 8068500

Claim:
A node device comprising: a reception unit, for receiving a packet according to a first protocol; a transmission unit, connected to an access point, for transmitting packets according to a second protocol, where the access point prepares a transmission packet based on the packets from the transmission unit; and a controller which: prepares a plurality of packets, each of the packets including one or more data fragments, by dividing a received packet, adds, to each of the prepared packets which are related to different QoS classes, a concatenation flag as control information, that indicates whether each respective prepared packet includes a data fragment corresponding to a head or a tail of the received packet, and transmits via the transmission unit, the plurality of prepared packets over different connections which are configured between the node device and the access point, wherein the access point prepares a transmission packet comprising a plurality of data fragments having different QoS classes which are included in the plurality of the prepared packets transmitted over the different connections and the plurality of data fragments are arranged in an order that maintains the arrangement in the received packet.