Method and system for performance estimation of a communication link

Patent metadata

Field	Value
Publication number	US-11166181-B2
Application number	US-202016846276-A
Country	US
Kind code	B2
Filing date	Apr 11, 2020
Priority date	Jul 13, 2012
Publication date	Nov 2, 2021
Grant date	Nov 2, 2021

Abstract

Described is a method for performance estimation of a communication device. The method comprises: executing active probing to determine active probing data; reading operational data which includes data related to channel and its noise condition, latency and counter values related to user data traffic between the communication device and another communication device, wherein the operational data is relevant to the current settings of the communication device; and training a performance estimation algorithm for the communication device according to the active probing data and the operational data.

First claim

The invention claimed is:

1. A method for managing a plurality of wireless channels across a plurality of devices within a multi-cell environment, the method comprising:
receiving first active probing data at a base station from a first device within the plurality of devices, the first active probing data corresponding to a first wireless channel within a first cell operating in accordance with a first wireless standard;
receiving second active probing data at the base station from the first device, the second active probing data corresponding to a second wireless channel within a second cell operating in accordance with a second wireless standard, the second wireless standard being different than the first wireless standard;
assessing, by the base station, the first active probing data for performance estimation corresponding to the first wireless channel within the first cell, and assessing the second active probing data for performance estimation corresponding to the second wireless channel within the second cell; and
selecting, by the base station, the first wireless channel based on a comparison of the performance estimation corresponding to the first wireless channel and the performance estimation corresponding to the second wireless channel,
wherein after the performance estimation performed by active probing, monitoring at least one performance estimation characteristic of the first wireless channel using passive probing.

2. The method of claim 1 , further comprising the step of optimizing connectivity to the first device by transitioning to the second wireless channel to communicate with the first device if the at least one performance estimation characteristic of the first wireless channel falls below a performance threshold.

3. The method of claim 1 , wherein the passive probing comprises counting, while communicating on the first wireless channel, one or more of:
ACK messages received from the first device,
successful transmit packets,
successful receive packets,
error packets,
discarded packets, and
retransmissions.

4. The method of claim 1 , further comprising the step of adjusting a power level of communication within the first wireless channel based at least partially on the passive probing.

5. The method of claim 1 , further comprising:
receiving third active probing data at the base station from the first device, the third active probing data corresponding to a third wireless channel within the first cell operating in accordance with a third wireless standard, the third wireless standard being different than the first wireless standard;
assessing, by the base station, the first active probing data for performance estimation corresponding to the first wireless channel within the first cell, and assessing the third active probing data for performance estimation corresponding to the third wireless channel within the first cell; and
selecting, by the base station, the first wireless channel based on a comparison of the performance estimation corresponding to the first wireless channel and the performance estimation corresponding to the third wireless channel.

6. The method of claim 1 , wherein training a performance estimation processor comprises:
updating the performance estimation processor as a function of one or more criteria which includes at least one of:
time of day,
time of week,
type of communication device,
manufacturer and model of equipment,
equipment characteristics,
firmware,
backbone limitations,
user's network usage pattern,
RF characteristics including at least one of: signal power, path loss, noise level, frequency bands or mode of operation,
environment statistics, or
data on operation of communication devices adjacent to the communication device, wherein the data includes at least one of interference channels and levels.

7. The method of claim 1 , further comprises:
computing, by the base station, at least one of: throughput of the plurality of devices, connectivity, latency, jitter, or error rate using the active probing data for training a performance estimation processor.

8. The method of claim 1 , wherein training a performance estimation processor comprises applying a machine learning algorithm.

9. The method of claim 1 , wherein each of the plurality of devices comprise at least one of:
an access point (AP);
a base station;
a wireless local area network (LAN) device;
a gateway;
a performance enhancement device;
a Digital Subscriber Line (DSL) Customer Premises Equipment (CPE) modem;
an in-home powerline device;
a Home Phoneline Network Alliance (HPNA) based device;
an in-home coax distribution device;
a G.hn (Global Home Networking Standard) compatible device;
an in-home metering communication device;
an in-home appliance communicatively interfaced with the LAN;
a wireless femtocell base station;
a wireless WiFi compatible base station;
a wireless mobile device repeater;
a wireless mobile device base station;
nodes within an ad-hoc/mesh network;
a set-top box (STB)/set-top unit (STU) customer electronics device;
an Internet Protocol (IP) enabled television;
an IP enabled media player;
an IP enabled gaming console;
an Ethernet gateway;
a computing device connected to the LAN;
an Ethernet connected computer peripheral device;
an Ethernet connected router;
an Ethernet connected wireless bridge;
an Ethernet connected network bridge; or
an Ethernet connected network switch.

10. The method of claim 1 , wherein the active probing comprises sending low-rate test packets.

11. The method of claim 1 , wherein the active probing comprises sending one or more test streams.

12. The method of claim 1 , further comprising estimating throughput based on packet error counts.

13. A method for managing a plurality of wireless channels across a plurality of devices within a single cell environment, the method comprising:
receiving first active probing data at a base station from a first device within the plurality of devices, the first active probing data corresponding to a first wireless channel within the single cell operating in accordance with a first wireless standard;
receiving second active probing data at the base station from the first device, the second active probing data corresponding to a second wireless channel within the single cell operating in accordance with a second wireless standard, the second wireless standard being different than the first wireless standard;
assessing, by the base station, the first active probing data for performance estimation corresponding to the first wireless channel within the single cell, and assessing the second active probing data for performance estimation corresponding to the second wireless channel within the single cell; and
selecting, by the base station, the first wireless standard based on a comparison of the performance estimation corresponding to the first wireless standard operating on the first wireless channel and the performance estimation corresponding to a second wireless standard operating on the second wireless channel,
wherein after the performance estimation performed by active probing, monitoring at least one performance estimation characteristic of the first wireless standard operating on the first wireless channel using passive p

Assignees

• Assia Spe Llc

Inventors

• Bhagavatula Ramya
• Song Guocong
• Kerpez Kenneth J
• Rhee Wonjong

Classifications

• H04L43/10 Primary

  Active monitoring, e.g. heartbeat, ping or trace-route · CPC title

• H04M11/062

  using different frequency bands for speech and other data · CPC title

• H04L41/142

  using statistical or mathematical methods · CPC title

• H04L43/0811

  by checking connectivity · CPC title

• H04L43/0847

  Transmission error · CPC title