Title:
NETWORK ANALYSIS SYSTEM, DEVICE, METHOD, AND COMPUTER-READABLE RECODRDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/070290
Kind Code:
A1
Abstract:
An object of the present disclosure is to detect and quantify the expose terminal problem in wireless networks without adding special equipment. A data preprocessing unit (102) merges and filters wireless communication data and extracts features from the merged and filtered data. A fractional contention period distribution estimation unit (103) trains parameters of wireless transmission models and computes theoretical idle slot probability distributions between a first packet and a second packet. An active node estimation unit (104) computes, the number of active wireless communication devices having data to transmit at a location within a carrier sensing range of the wireless communication device to be tested. An exposed terminal classification unit (105) detects whether the first packet is exposed by the second packet or not. A wireless network analysis unit (106) outputs an analysis result performed on the detection result of the exposed terminal classification unit.
More Like This:
Inventors:
KOTAGIRI DHEERAJ (JP)
Application Number:
PCT/JP2019/039863
Publication Date:
April 15, 2021
Filing Date:
October 09, 2019
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H04W24/08; H04W74/08
Foreign References:
| US20140169194A1 | 2014-06-19 | |||
| CN108141763A | 2018-06-08 | |||
| US9445362B2 | 2016-09-13 |
Other References:
TURSUNOVA S ET AL: "Cognitive estimation of the available bandwidth in home/office network considering hidden/exposed terminals", IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 53, no. 1, 1 February 2010 (2010-02-01), pages 97 - 105, XP011306118, ISSN: 0098-3063
L. B. JIANGS. C. LIEW: "Improving throughput and fairness by reducing exposed and hidden nodes in 802.11 networks", IEEE TRANS. MOBILE COMPUT., vol. 7, no. 1, January 2008 (2008-01-01), pages 34 - 49
M. VUTUKURUK. JAMIESONH. BALAKRISHNAN: "Harnessing exposed terminals in wireless networks", PROC. USENIX NSDI, 2008, pages 59 - 72
J. YAOT. XIONGJ. ZHANGW. LOU: "On eliminating the exposed terminal problem using signature detection", IEEE TRANSACTIONS ON MOBILE COMPUTING, vol. 15, no. 8, August 2016 (2016-08-01), pages 2034 - 2047, XP011615762, DOI: 10.1109/TMC.2015.2478459
Y. ZHU: "Leveraging multi-AP diversity for transmission resilience in wireless networks: architecture and performance analysis", IEEE TRANS. WIRELESS COMMUNICATION, vol. 8, no. 10, October 2009 (2009-10-01), XP011278520, DOI: 10.1109/TWC.2009.060157
L. B. JIANGS. C. LIEW: "Improving throughput and fairness by reducing exposed and hidden nodes in 802.11 networks", IEEE TRANS. MOBILE COMPUT., vol. 7, no. 1, January 2008 (2008-01-01), pages 34 - 49
M. VUTUKURUK. JAMIESONH. BALAKRISHNAN: "Harnessing exposed terminals in wireless networks", PROC. USENIX NSDI, 2008, pages 59 - 72
J. YAOT. XIONGJ. ZHANGW. LOU: "On eliminating the exposed terminal problem using signature detection", IEEE TRANSACTIONS ON MOBILE COMPUTING, vol. 15, no. 8, August 2016 (2016-08-01), pages 2034 - 2047, XP011615762, DOI: 10.1109/TMC.2015.2478459
Y. ZHU: "Leveraging multi-AP diversity for transmission resilience in wireless networks: architecture and performance analysis", IEEE TRANS. WIRELESS COMMUNICATION, vol. 8, no. 10, October 2009 (2009-10-01), XP011278520, DOI: 10.1109/TWC.2009.060157
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
Download PDF:
Previous Patent: ELECTRON GUN
Next Patent: LEVEL ESTIMATION DEVICE, LEVEL ESTIMATION METHOD, AND LEVEL ESTIMATION PROGRAM
Next Patent: LEVEL ESTIMATION DEVICE, LEVEL ESTIMATION METHOD, AND LEVEL ESTIMATION PROGRAM