IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0881253
(2007-07-26)
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등록번호 |
US-8750806
(2014-06-10)
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발명자
/ 주소 |
- Weil, Kevin
- Gupta, Mukesh
- Saha, Amit
- Behroozi, Cyrus
- Srikrishna, Devabhaktuni
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
3 인용 특허 :
9 |
초록
▼
Methods of correlating wireless network performance of a wireless network are disclosed. One method includes collecting wireless network performance parameters at a location of the network, observing at least one of activities and conditions of the wireless network over the period of time, and corre
Methods of correlating wireless network performance of a wireless network are disclosed. One method includes collecting wireless network performance parameters at a location of the network, observing at least one of activities and conditions of the wireless network over the period of time, and correlating the wireless network performance parameters with at least one of the activities and conditions of the wireless network. The wireless network performance parameters can be collected by one or more test devices operating at nodes or clients within the wireless network.
대표청구항
▼
1. A method of correlating wireless network performance of a wireless network, comprising: collecting, by a test device, wireless network performance parameters, at a location of the network wherein the wireless network performance parameters comprises at least one of throughput, latency, airtime an
1. A method of correlating wireless network performance of a wireless network, comprising: collecting, by a test device, wireless network performance parameters, at a location of the network wherein the wireless network performance parameters comprises at least one of throughput, latency, airtime and retries;observing at least one condition of the wireless network at another device located in a different location of the wireless network than the test device, wherein the at least one condition comprises at least one of a large number of clients, or a high number of retries;correlating a reduction in network performance as indicated by the wireless network performance parameters with the at least one condition of the wireless network, comprising determining from a table an association between the collected wireless network performance parameters and the at least one condition;based on the association, taking action to mitigate the reduction in network performance as indicated by the collected wireless network parameters, comprising at least one of selecting a new route, reselecting channels, or selecting a lower transmission power, as specified by the table. 2. The method of claim 1, further comprising the test device operating as a client device collecting the wireless network performance parameters. 3. The method of claim 1, further comprising the test device operating as a wireless network node collecting the wireless network performance parameters. 4. The method of claim 1, wherein the at least one condition further includes at least one of a upstream latency, downstream latency, upstream throughput, downstream throughput, a number of packet retries, packet success probability, reverse packet success probability, and antenna asymmetry of at least one of a plurality of wireless hops. 5. The method of claim 1, wherein the at least one condition further includes at least one of routing selections or channel selections at another device located in a different location of the wireless network than the test device. 6. The method of claim 1, further comprising collecting wireless network performance parameters at a plurality of locations of the wireless network over at least a period of time. 7. The method of claim 1, further comprising alerting at least one device within the wireless network of at least one observed correlation. 8. The method of claim 1, further comprising modifying operation of at least one device within the wireless network based on at least one observed correlation. 9. The method of claim 8, further comprising the other wireless device modifying wireless network characteristics to mitigate problems detected by the collected wireless network performance parameters. 10. The method of claim 9, wherein the wireless network characteristic comprises at least one of routing selection, transmission channel selection, transmission power, transmission bit rate, packet QoS, dis-associating a client. 11. A method of correlating wireless network performance of a wireless network, comprising: collecting, by a test device, wireless network performance parameters at a location of the network;observing at least one of activities and conditions of the wireless network at an other device located in a different location of the wireless network than the test device;correlating a reduction in network performance as indicated by the wireless network performance parameters with at least one of the activities and conditions of the wireless network, comprising determining from a table an association between the collected wireless network performance parameters and the at least one of the activities and conditions; whereinassociating the reduction in performance as indicated by the wireless network performance parameters with the conditions of the wireless network comprises the test device detecting a reduction in throughput, and associating the reduction in throughput with a high traffic condition of the other device, wherein the other device comprises an upstream device;based on the association, taking action to mitigate the reduction in network performance as indicated by the collected wireless network parameters, wherein the action comprises the other device at least one of selecting a new transmission channel, and selecting a new routing path as specified by the table. 12. A method of correlating wireless network performance of a wireless network, comprising: collecting, by a test device, wireless network performance parameters at a location of the network;observing at least one of activities and conditions of the wireless network at an other device located in a different location of the wireless network than the test device;correlating a reduction in network performance as indicated by the wireless network performance parameters with at least one of the activities and conditions of the wireless network, comprising determining from a table an association between the collected wireless network performance parameters and the at least one of the activities and conditions; whereinassociating the reduction in network performance as indicated by the wireless network performance parameters with the conditions of the wireless network comprises the test device detecting a reduction in reverse packet success probability (RPSP), associating the reduction in RPSP with at least one of upstream device packet collisions and high traffic condition of the other device;based on the association, taking action to mitigate the reduction in network performance as indicated by the collected wireless network parameters, wherein the action comprises the other device at least one of selecting a new transmission channel and selecting a new routing path, as specified by the table. 13. A method of correlating wireless network performance of a wireless network comprising: collecting, by a test device, wireless network performance parameters, at a location of the network wherein the wireless network performance parameters comprises a throughput;observing at least one condition of the wireless network, wherein the at least one condition comprises at least one of packet collisions at an upstream device, and high traffic at the upstream device;correlating a reduction in network performance as indicated by the wireless network performance parameters with the at least one condition of the wireless network, comprising determining from a table an association between the collected wireless network performance parameters and the at least one condition;based on the association, taking action to mitigate the reduction in network performance as indicated by the collected wireless network parameters, comprising at least one of selecting a new route, selecting a new transmission channel, activation of a RTS (request to send)/CTS (clear to send) mode of the upstream device, as specified by the table. 14. The method of claim 13, further comprising the test device operating as a client device collecting the wireless network performance parameters. 15. The method of claim 13, further comprising the test device operating as a wireless network node collecting the wireless network performance parameters. 16. The method of claim 13, further comprising collecting wireless network performance parameters at a plurality of locations of the wireless network over at least a period of time. 17. The method of claim 13, further comprising modifying operation of at least one device within the wireless network based on at least one observed correlation. 18. The method of claim 17, wherein modifying the operation comprises at least one of influencing routing selection of the at least one device, influencing transmission channel selection of the at least one device, disassociating at least one client. 19. The method of claim 18, further comprising the other wireless device modifying wireless network characteristics to mitigate problems detected by the collected wireless network performance parameters. 20. The method of claim 19, wherein the wireless network characteristic comprises at least one of routing selection, transmission channel selection, transmission power, transmission bit rate, packet QoS, dis-associating a client. 21. A method of correlating wireless network performance of a wireless network, comprising: collecting, by a test device, wireless network performance parameters, at a location of the network wherein the wireless network performance parameters comprises SNR (signal to noise ratio);observing at least one condition of the wireless network, wherein the at least one condition comprises at least one of low upstream node transmission power or high noise on upstream node transmission;correlating a reduction in network performance as indicated by the wireless network performance parameters with the at least one condition of the wireless network, comprising determining from a table an association between the collected wireless network performance parameters and the at least one condition;based on the association, taking action to mitigate the reduction in network performance as indicated by the collected wireless network parameters, comprising at least one of increasing transmit power, reselecting a transmission channel, as specified by the table. 22. The method of claim 21, further comprising collecting wireless network performance parameters at a plurality of locations of the wireless network over at least a period of time. 23. The method of claim 21, further comprising modifying operation of at least one device within the wireless network based on at least one observed correlation.
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