HYBRID ADMISSION CONTROL FOR QOS SUPPORT IN IEEE 802.11E EDCA

摘要

A mixing distribution control method for securing the quality of a service in wireless LAN environment for efficiently using the resources is provided to execute access authentication and improve QoS(Quality of Service) through the efficient parameter administration. An ADDTS Request frame including QSTA including TSPEC element is transmitted to QAP. After receiving the ADDTS Request message, QAP measures a media access time. The QAP calculates the TXOP_Free. The MediumTime [i] and TXOP Free [i] are compared after calculation. The QAP transmits through the ADDTS Response frame after storing the calculated MediumTime [i] in the TSPEC element. QSTA receiving the ADDTS Response message inspects the number of stream lock. The new stream is started in case of unable to being accepted.