Emerging dual-mode phones incorporate a Wireless LAN (WLAN) interface along with the traditional cellular interface. The additional benefits of the WLAN interface are, however, lik...
—We consider a scenario in which users share an access point and are mainly interested in VoIP applications. Each user is allowed to adapt to varying network conditions by choosi...
We evaluate the capacity of an IEEE 802.16d and IEEE 802.11g testbed to simultaneously carry emulated H.264/AVC video and Speex VoIP and present results from an extensive measurem...
Kostas Pentikousis, Jarno Pinola, Esa Piri, Frerk ...
The current VoIP transfer methods using low bit rate codes such as G.723.1 and G.729 are still very inefficient due to its small payload size in comparison with its large overhead ...
The popular IEEE 802.11 WLAN today does not provide any quality-of-service (QoS) because of its contention-based channel access nature of the medium access control (MAC). Therefore...