The energy limited connectionless networking architecture

The considered Cross-Layer structure TransmitterDestination Client Cross-Layer informations Faded Wireless Channel

Throughput analysis Connection-state Averaged segment round-trip-time Constants depends on mechanisms implemented at the Transport, DL and PHY layers b=1 or 2 is the number of segment that are simultaneously acknowledged MSS (byte) is the maximum segment size A,B,C are real and nonnegative constants depending on the implemented FECs Nakagami-m fast- fading and lognormal slow-fading The sending rate implemented at the Transport layers D.Shuman, M. Liu, “Energy-Efficient Transmission Scheduling for Wireless Media Streaming with Strict Underflow Constraints” WiOPT 2008, pp , April 2008

Streaming end-to-end model VBR media Encoder VBR media Decoder Server-Client system model Time is slotted Transmitter: ▫IUs to be sent by the media encoder ▫Playin buffer of limited capacity Destination Client: ▫Playout buffer of limited capacity Transmitter Destination Client

VBR media Encoder VBR media Decoder Server-Client system model Time is slotted Transmitter: ▫IUs to be sent by the media encoder ▫Playin buffer of limited capacity Destination Client: ▫Playout buffer of limited capacity Transmitter Destination Client Maximization of the average sending rate Minimization of the playout jitter Streaming end-to-end model

Maximization of the Average throughput under hard QoS constraints