1. Power Efficiency Analysis
Anthony Donohoe z
Tristan Morgan z
Of Wireless Access Points, for Mesh Networking
Power Efficiency Analysis

2. Introduction
Wireless Mesh Network:
Arbitrary Topology

3. Motivation
Power use is important for mesh networking applications for the following reasons:
Some nodes will be powered by PoE
Some may be battery powered
The mesh may be temporary, or outdoors
It may be powered from a generator

4. Proposal
To simulate the power use of a typical Wireless AP with various throttling schemes.

5. Parameters
Three discrete bandwidths; since the bandwidths are relative (representing having between 1 and 3 antennae on), we will simplify them to 10Mbps, 20Mbps and 30Mbps.
Set the average packet size to 1250B, and the queue size to 50KB. Also set lambda to 2 packets/ms (20Mbps).

6. Results

7. Conclusions
The trade off is between power usage and packets dropped/throughput. We can get very good power usage, but at the cost of almost half the packets dropped.
The best seems to be {5,15,6,15}, with a power usage of 1.81W, and % packet loss.