Bandwidth estimation based on location in a wireless network
View Patent ↗Methods, systems, and devices are described that are directed to estimating the bandwidth at a particular location in a wireless mesh network. In some embodiments, a performance determination apparatus includes a signal receiver module, a location module, a signal analysis module, a report module, and a placement module. In some embodiments, the signal analysis module collects received signal strength indicator (RSSI) on one or more receive chains of the receiver and analyzes various aspects of signal quality. In some embodiments, the signal analysis module estimates the bandwidth available at the location, estimates the latency at the location, or both. In some embodiments, the report module represents the quality of the signal graphically by overlaying a representation of the signal quality on a map of the area. In some embodiments, the placement module recommends where to place customer premises equipment (CPE) in order to maximize signal quality.
1. A performance determination apparatus comprising:
a signal receiver module having a plurality of antennas to receive test data from a first node of a mesh network, a first copy of the test data being received via a multiple input multiple output (MIMO) signal having four streams, the data in each stream of the MIMO signal being transmitted with varying characteristics, a second copy of the test data being received via a single stream signal;
a global positioning system (GPS) module configured to determine a GPS location of the signal receiver module when the signal receiver module received the MIMO signal;
a signal analysis module configured to determine a signal quality parameter of the MIMO signal based at least in part on signal quality values for each stream of the MIMO signal at a plurality of GPS locations; and
a placement module configured to identify a GPS placement site to position an additional node in the mesh network based at least in part on the signal quality parameters of the MIMO signal taken at the plurality of GPS locations.
2. The performance determination apparatus of claim 1 , further comprising a report module configured to report one or more data values relating to a quality of the MIMO signal in human-readable form.
3. The performance determination apparatus of claim 2 , wherein the report module is configured to graphically represent the quality of the MIMO signal on a map.
4. The performance determination apparatus of claim 1 , wherein the signal analysis module is configured to determine an interference profile for the MIMO signal.
5. The performance determination apparatus of claim 1 , wherein the signal analysis module is configured to estimate a bandwidth associated with the MIMO signal at the GPS location at which the signal analysis module received the MIMO signal.
6. The performance determination apparatus of claim 1 , wherein one or more data values comprise received signal strength indicator (RSSI) values received by the signal receiver module associated with the performance determination apparatus.
7. The performance determination apparatus of claim 6 , wherein the signal receiver module comprises four receive chains.
8. A method comprising:
identifying, by a global positioning system (GPS) module, a plurality of GPS locations of a signal receiver module during test procedure;
receiving test data from a first node of a mesh network via wireless multiple input multiple output (MIMO) signals, each MIMO signal having four streams at the plurality of GPS locations, the data in each stream of the MIMO signals being transmitted with varying characteristics, a copy of the test data being received via a single stream signal;
analyzing the wireless MIMO signals at the plurality of GPS locations;
determining a signal quality parameter of the wireless MIMO signals based at least in part on signal quality values for each stream of the MIMO signals at the plurality of GPS locations;
estimating a bandwidth available from the mesh network at the plurality of GPS locations; and
identifying a GPS placement site to position an additional node in the mesh network based at least in part on the signal quality parameters of the wireless MIMO signals taken at the plurality of locations.
9. The method of claim 8 , wherein analyzing the wireless MIMO signals comprises collecting received signal strength indicator (RSSI) on one or more receive chains of a receiver used to analyze the wireless MIMO signals.
10. The method of claim 8 , wherein analyzing the wireless MIMO signals further comprises identifying one or more sources of interference with the wireless MIMO signals.
11. The method of claim 8 , further comprising generating a graphical representation of a quality of the wireless MIMO signals.
12. A system comprising:
a computing device comprising:
a processor;
a memory device; and
a performance determination apparatus comprising:
a signal receiver module having a plurality of antennas to receive test data from a first node of a mesh network, a first copy of the test data being received via a wireless multiple input multiple output (MIMO) signal having four streams, the data in each stream of the MIMO signal being transmitted with varying characteristics, a second copy of the test data being received via a single stream signal;
a signal analysis module configured determine a signal quality parameter of the wireless MIMO signal based at least in part on signal quality values for each stream of the MIMO signal and to store signal data in the memory device;
a global positioning system (GPS) module configured to determine a plurality of GPS locations at which the signal receiver module receives the wireless MIMO signal; and
a placement module configured to identify a GPS placement site to position an additional node in the mesh network based at least in part on the signal quality parameters of the wireless MIMO signal taken at the plurality of GPS locations.
13. The system of claim 12 , wherein the signal analysis module is further configured to evaluate a quality of each of the plurality of streams received from the node.