Work Performed Further improvement of the FM-WiFIX solution, to achieve good performances in a scenario with multiple nodes. By adjusting the formula used for limit the burst transmissions, we were able to achieve this objective. Perform the tests, retrieving the…
Weekly Reports
The reports that describe the work done each week
June, 15th – June, 21st
Work Performed Power measurements. Further improvement of the FM-WiFIX solution, to prepare it for the upcoming tests. Write the thesis final report. Forcing network topologies in the FM-WiFIX program. Goals Achieved Assembly of the final testbed with 7 nodes. Finished…
Posted in Weekly Reports
June, 8th – June, 14th
Work Performed Improvements to the FM-WiFIX solution to enable an acceptable throughput. Write the thesis final report. Test plan Goals Achieved Improvement of the solution, now we will be able to perform some tests using Iperf. Challenges Found Discover what…
Posted in Weekly Reports
June, 1st – June, 7th
Work Performed Continue the implementation of the new solution. Study of solutions to tackle the lack of synchronization verified in the system, due to RDS errors. Started the writing of the thesis final report. Goals Achieved A reliable system and…
Posted in Weekly Reports
May, 25th – May, 31th
Work Performed Redesign of the FM-WiFIX algorithm for polling, in order to overcome the problem identified last week. Major changes in the current implementation, in order to use this new operation logic. Goals Achieved Implementation of the redesigned solution. There…
May, 18th – May, 24th
Work Performed Improvement of the statistics retrieved by the program. Debug to improve the robustness and performance of FM-WiFIX. Its performance is still far below expectations. Goals Achieved Confirmation of the impossibility of increasing the polling speed, due to the…
May, 11th – May, 17th
Work Performed Improvement of the communication between FM-WiFIX and RdSpi processes. RdSpi receives the FM RDS control messages , broadcast by the gateway node, and must deliver the data received to FM-WiFIX. This communication was being done using shared memory but…
May, 4th – May, 10th
Work Performed Optimizations to the current FM-WiFIX’s implementation, in order to begin experiments and retrieve some results. Integration of the camera module for the Raspberry Pi. Goals Achieved Identification of some critical problems that must be overcome before the final tests…
Posted in Weekly Reports
April, 27th – May, 3rd
Work Performed Continue the study of suitable solutions for turning off the Wi-Fi during idle periods or forcing a sleep state. Changing the ath9k_htc driver turned out to be a dead end. Therefore, more promising solutions seem to be making changes…
Posted in Weekly Reports Tagged with: AR9271 chipset, ath9k_htc, FM-WiFIX, mac80211, Power Saving, Testbed
April, 20th – April, 26th
Work Performed Study of solutions for accurately measure the instantaneous power consumption of the Raspberry Pi, in order to quantify the real gains of using Fm-WiFIX instead of PACE. The best solutions seems to be using a wall outlet power…
