IP Library Granted Patent US 9,003,205
Granted Patent B2
US 9,003,205 · App. 12/415,539 · Granted Apr 7, 2015

Method to lower the operating cost of wireless network by enforcing low power infrastructure operation

Inventors: Rajiv Iyer (San Jose, CA); Jason Harris (Morgan Hill, CA); Ramesh Sekhar (San Jose, CA)
Assignee: Symbol Technologies, Inc.
H04W52/0274G06F1/32H04W84/12Y02B60/50
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Quick Facts
Patent No.
US 9,003,205
App. No.
12/415,539
Granted
Apr 7, 2015
Kind
B2
Abstract

A system and techniques for managing power utilization in a wireless local area network are disclosed. The system can utilize an infrastructure power management module that is configured to identify and power down one or more unused wireless devices and/or dynamically reconfigure the wireless operation of one or more wireless devices to consume lower power while still operating according to network requirements.

Claims (16)

1. A method of managing power utilization in a wireless local area network (WLAN) infrastructure having a defined operational frequency channel, the method comprising:

monitoring network operation information of a wireless switch included in the WLAN infrastructure, the network operation information including operational frequencies of individual radios of the wireless switch and service set identifiers used in the network;

determining if at least one radio of the wireless switch is operable on a non-allowed frequency outside of the defined operational frequency channel in the WLAN and determining that there are unused service set identifiers on that radio; and

reconfiguring the wireless switch to shut down the at least one radio operable on the non-allowed frequency and disabling the unused service set identifiers on that radio.

2. The method of claim 1 , wherein reconfiguring the wireless switch also includes shutting down the wireless switch where that wireless switch is the only component operable on the non-allowed frequency.

3. The method of claim 1 , wherein reconfiguring the wireless switch comprises powering off the wireless switch if the wireless switch has been utilized at less than a predetermined threshold for a specified period of time.

4. The method of claim 1 , further comprising powering on an access point periodically to monitor signal strengths from mobile devices; and keeping the access point powered on if the access point detects a stronger signal from a mobile device than a neighboring access point.

5. The method of claim 1 , wherein reconfiguring the wireless switch comprises powering off the wireless switch if the wireless switch has not been utilized for a specified period of time.

6. A system for managing power consumption of a WLAN infrastructure having a defined operational frequency channel, the system comprising:

a wireless network;

a wireless switch operatively coupled to the network; and

an infrastructure power management module operatively coupled to the network, the management module configured to 1) monitor network operation information of the wireless switch included in the WLAN infrastructure, the network operation information including operational frequencies of individual radios of the wireless switch and service set identifiers used in the network, 2) determine if at least one radio of the wireless switch is operable on a non-allowed frequency outside of the defined operational frequency channel in the WLAN and determine that there are unused service set identifiers on that radio, and 3) reconfigure the wireless switch to shut down the at least one radio based on it being operable on a non-allowed frequency in the network and disable the unused service set identifiers on that radio.

7. The system of claim 6 , wherein the infrastructure power management module is configured to shut down the wireless switch where that wireless switch is the only component operable on the non-allowed frequency.

8. The system of claim 6 , wherein the infrastructure power management module is configured to power off the wireless switch if the wireless switch has been utilized at less than a predetermined threshold for a specified period of time.

9. The system of claim 6 , wherein the infrastructure power management module is configured to power on an access point periodically to monitor signal strengths from mobile devices; and keep the access point powered on if the access point detects a stronger signal from a mobile device than a neighboring access point.

10. The system of claim 6 , wherein the infrastructure power management module is configured to power off the wireless switch if the wireless switch has not been utilized for a specified period of time.

Assignments (14)
RELEASE OF PATENT AND TRADEMARK SECURITY INTEREST AT REEL/FRAME NO. 46050/0546 Recorded Jul 30, 2026
From: BANK OF MONTREAL, AS AGENT
To: EXTREME NETWORKS, INC.
Reel/Frame 076081/0088 →
SECURITY INTEREST Recorded Jul 29, 2026
From: EXTREME NETWORKS, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 076078/0590 →
AMENDED SECURITY AGREEMENT Recorded Aug 18, 2023
From: EXTREME NETWORKS, INC.; AEROHIVE NETWORKS, INC.
To: BANK OF MONTREAL
Reel/Frame 064782/0971 →
RELEASE OF SECURITY INTEREST Recorded May 1, 2018
From: SILICON VALLEY BANK
To: EXTREME NETWORKS, INC.
Reel/Frame 046051/0775 →
SECURITY INTEREST Recorded May 1, 2018
From: EXTREME NETWORKS, INC.
To: BANK OF MONTREAL
Reel/Frame 046050/0546 →
THIRD AMENDED AND RESTATED PATENT AND TRADEMARK SECURITY AGREEMENT Recorded Oct 31, 2017
From: EXTREME NETWORKS, INC.
To: SILICON VALLEY BANK
Reel/Frame 044639/0300 →
SECOND AMENDED AND RESTATED PATENT AND TRADEMARK SECURITY AGREEMENT Recorded Jul 14, 2017
From: EXTREME NETWORKS, INC.
To: SILICON VALLEY BANK
Reel/Frame 043200/0614 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 8, 2016
From: SYMBOL TECHNOLOGIES, LLC
To: EXTREME NETWORKS, INC.
Reel/Frame 040579/0410 →
AMENDED AND RESTATED PATENT AND TRADEMARK SECURITY AGREEMENT Recorded Oct 31, 2016
From: EXTREME NETWORKS, INC.
To: SILICON VALLEY BANK
Reel/Frame 040521/0762 →
RELEASE OF SECURITY INTEREST Recorded Aug 17, 2015
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: SYMBOL TECHNOLOGIES, INC.
Reel/Frame 036371/0738 →
CHANGE OF NAME Recorded Jul 8, 2015
From: SYMBOL TECHNOLOGIES, INC.
To: SYMBOL TECHNOLOGIES, LLC
Reel/Frame 036083/0640 →
SECURITY AGREEMENT Recorded Oct 31, 2014
From: ZIH CORP.; LASER BAND, LLC; ZEBRA ENTERPRISE SOLUTIONS CORP.; SYMBOL TECHNOLOGIES, INC.
To: MORGAN STANLEY SENIOR FUNDING, INC. AS THE COLLATERAL AGENT
Reel/Frame 034114/0270 →
CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF ASSIGNEE FROM MOTOROLA, INC. TO SYMBOL TECHNOLOGIES, INC. PREVIOUSLY RECORDED ON REEL 022481 FRAME 0107. ASSIGNOR(S) HEREBY CONFIRMS THE SYMBOL TECHNOLOGIES, INC. AS ASSIGNEE.. Recorded Apr 8, 2011
From: IYER, RAJIV; HARRIS, JASON; SEKHAR, RAMESH
To: SYMBOL TECHNOLOGIES, INC.
Reel/Frame 026100/0902 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 1, 2009
From: IYER, RAJIV; HARRIS, JASON; SEKHAR, RAMESH
To: MOTOROLA, INC.
Reel/Frame 022481/0107 →
Continuity (1)
Related Publication 20100250992A1 · Sep 30, 2010