Cambridge Core – Communications and Signal Processing – FiWi Access Networks – by Martin Maier. The evolution of broadband access networks toward bimodal fiber-wireless (FiWi ) access networks, described in this book, may be viewed as the endgame of. This article provides an up-to-date survey of hybrid fiber-wireless (FiWi) access networks that leverage on the respective strengths of optical.
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In order to reduce active and hence total energy consumption, we tried to transmit the data at lower data rate, while maintaining transmission delay in tolerable limit. Rate adaptation is applied to modify the existing PSM for further reduction in energy consumption of active state of a beacon interval.
A broader trend in the need to satisfy the QoS requirements of FiWi network users is delineated in the work in . Various criteria for adaptation of the data rate are proposed in literature. Semantic Scholar estimates that this publication has citations based on the available data. The complexity of the proposed architecture is analyzed and compared with other alternatives, and the efficiency of the proposed system is validated by the simulations.
This transmission latency causes degradation of QoS for real time communications, e. Some of the characteristics of FiWi access networks are as follows: Koonen 16th International Symposium on Modeling and….
The proposed algorithm mainly focuses on selecting lower data rate while maintaining transmission delay within specified limit during active state of a beacon interval from the set of available data rates for IEEE standard Also, when the high priority data occupy the whole network transmission, the priority control offered by EDCA may not function adequately.
Survey on Integrated Fiber-Wireless ( FiWi ) Access Network Architectures
However energy consumption during active state may also play crucial role, which has not been addressed so far. By this way, it improves a number of QoS parameters, such as the network throughput, latency, and bandwidth utilization.
This results in reduction in energy consumption of a complete beacon interval. This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. How to cite this article.
In [ 13 ] practical rate adaptation algorithm, for multirate IEEE Since sleep state consumes less fisi than active state; all previous works emphasize on increasing the sleeping opportunity of the device and making it energy efficient.
Transmission time for data frame T ACK: References Publications referenced by this paper.
In PSM a beacon interval consists of two states namely sleep and active states. You do not have subscription access to this journal. This paper has 85 citations. The purpose of rate switching in the EERAA is to reduce netwoorks energy consumption during active period that will be clear from the subsequent results.
Deeply slept ONU can wake up only when customer turns it on. Simulation Environment In this section, we evaluate the performance of our proposal through extensive computer simulation programed in Ruby.
It also maintains transmission delay within specified tolerable limit. Simulation started from end of the beacon interval i. Aaccess of data bits encoded within one symbol. In other words, they do not operate in a synchronized fashion, and contributes to the transmission latency, which severely degrades the QoS.
Survey on Integrated Fiber-Wireless ( FiWi ) Access Network Architectures – Semantic Scholar
As the energy consumption during sleep state is already very less and almost same for all the schemes, the active state energy consumption plays an important role in the total energy consumption. Higher the data rate more is the energy consumption.
Transmission netwroks higher data rate consumes more active state energy. An advantage of EDCA is that it can be implemented in devices at a reasonably low cost because of its simple control.