Sentence examples for at physical layer from inspiring English sources

The Beamforming-MIMO cross-layer system is scheduled through combining multilevel adaptive modulation (AM) at physical layer with truncated automatic repeat request (ARQ) protocol at data link layer, and feed backing modulation mode, ARQ request and transmit weight vector from receiver, in order to improve multi-antennas system performance.

(v) : number of jointly coded channels at physical layer.

Strength at physical layer to beat channel coding techniques.

Thus, the CS-based cryptosystem performs simultaneous data acquisition and encryption at physical layer.

Consequently, its implementation into OFDMA-based system requires specific modification at physical layer as well.

It serves as a reference when assigning resource at physical layer.

Cooperation may occur in many forms at different layers, e.g., cooperative channel coding at the physical layer and network coding at the network layer.

In this paper, we present a two-user C-ARQ protocol which combines cooperative diversity at the physical layer and ARQ at the link layer.

However, it does not prevent adversaries from jamming attacks at the physical layer or DDoS attacks at the higher layers.

On the other hand, the UL-FEC solution have been implemented by considering with QPSK modulation at the physical layer, and the code at the upper layer.

This scheme uses a joint approach to adapt transmission power at the physical layer and QoS parameters at the MAC layer.