| Patent Number |
Title Of Patent |
Date Issued |
| 7616594 |
Wireless device discovery and configuration |
November 10, 2009 |
| A wireless device that desires to be connected to a wireless network broadcasts itself and its capabilities to a network using an information element. The information element is provided with frames, such as management frames, in a channel that is not protected or encrypted. The info |
| 7613426 |
Proximity service discovery in wireless networks |
November 3, 2009 |
| Discovery of services between devices is provided prior to establishing a connection between devices, including wireless-enabled devices or devices that are communicatively coupled to wireless access points. Discovering services prior to establishing a connection may facilitate finding a |
| 7577125 |
Direct wireless client to client communication |
August 18, 2009 |
| A wireless station is connected to a wireless network through an access point and can establish a direct client-to-client connection to a second wireless station. The wireless station can communicate directly with the second wireless station without involving the access point. The wirele |
| 7555663 |
Method and apparatus for managing power in network interface modules |
June 30, 2009 |
| A method and system for managing power consumption in a portable computing device having a network interface module is presented. A power management module receives inputs from other modules and determines when the network interface module is to be put in a doze state for a predetermined |
| 7539481 |
Method for connecting a wireless access point to a wired access point by chaining together wirel |
May 26, 2009 |
| An architecture and methods for extending the depth of a WLAN to a four-level hierarchal access point structure including wireless access points. The wireless access points in the WLAN can be networked by scanning for a network, collecting one or more packets that identify the networ |
| 7529957 |
Method and apparatus for managing power in network interface modules |
May 5, 2009 |
| A method and system for managing power consumption in a portable computing device having a network interface module is presented. A power management module receives inputs from other modules and determines when the network interface module is to be put in a doze state for a predetermined |
| 7506188 |
Method and apparatus for managing power in network interface modules |
March 17, 2009 |
| A method and system for managing power consumption in a portable computing device having a network interface module is presented. A power management module receives inputs from other modules and determines when the network interface module is to be put in a doze state for a predetermined |
| 7483995 |
Coordinating a transition of a roaming client between wireless access points using another clien |
January 27, 2009 |
| Systems and methods for handling a transition of a roaming mobile user device (i.e., a roaming client) from one access point (AP) to a target AP, referred to herein as soft inter-AP handoff. This technique involves a second mobile user device that is already connected with the target AP, |
| 7483412 |
Range extension between two wireless devices |
January 27, 2009 |
| A mechanism is provided to extend the range of wireless devices beyond the range limit that results from timing restrictions imposed by the IEEE 802.11 standard. The mechanism, which operates at the upper level of the 802.11 MAC, determines whether the wireless devices are far apart or n |
| 7463592 |
Protocol for exchanging control data to mitigate interference problems in wireless networking |
December 9, 2008 |
| Described is a protocol by which wireless network communication devices comprising peer nodes (such as a computer system and an access point) cooperatively exchange information about RF interference detected in the network. The protocol administers the exchange of formatted control data |
| 7451331 |
Method and apparatus for managing power in network interface modules |
November 11, 2008 |
| A method and system for managing power consumption in a portable computing device having a network interface module is presented. A power management module receives inputs from other modules and determines when the network interface module is to be put in a doze state for a predetermined |
| 7447176 |
Making roaming decisions based on association qualities between wireless devices and wireless ac |
November 4, 2008 |
| The principles of the present invention provides for making roaming decisions based on association qualities between a wireless device and one or more wireless access points. From time to time, the wireless device updates a current association quality for a current wireless access po |
| 7440728 |
Use of separate control channel to mitigate interference problems in wireless networking |
October 21, 2008 |
| Described is a system and method for transporting interference-related control data and other information between nodes in a wireless network, using a control channel that is distinct from a content channel used to transport content. The control channel may be a different channel in the |
| 7426550 |
Extensible wireless framework |
September 16, 2008 |
| An extensible wireless framework for connecting to a wireless network is provided. The extensible wireless framework includes a network roaming service with a registration component and a network service component. The registration component registers extensible service modules and e |
| 7385960 |
Measurement based mechanism to enable two wireless devices to directly communicate with each oth |
June 10, 2008 |
| A wireless device communications mode selector dynamically establishes an optimal communication mode between wireless devices and/or access point, such that stations communicate directly with each other or indirectly through an existing AP depending upon which mode would yield higher |
| 7353381 |
Supplicant and authenticator intercommunication mechanism independent of underlying data link an |
April 1, 2008 |
| A supplicant on a first computing system authenticating the first computing system to an authenticator on a second computing system in a manner that is independent of the underlying data link and physical layer protocols. The first computing system establishes a data link layer conne |
| 7349422 |
Providing contention free quality of service to time constrained data |
March 25, 2008 |
| The principles of the present invention provide for providing contention free quality of service to wireless stations. A station indicates to an access point that higher priority data (e.g., time constrained data) is to be sent to the access point. The access point receives the indicatio |
| 7340615 |
Method and apparatus for managing power in network interface modules |
March 4, 2008 |
| A method and system for managing power consumption in a portable computing device having a network interface module is presented. A power management module receives inputs from other modules and determines when the network interface module is to be put in a doze state for a predetermined |
| 7280853 |
Ultra wide band power save |
October 9, 2007 |
| A network node selects a "sleep" level based on its current or projected battery capacity. In an embodiment of the invention, sleep levels define the types of communication to which the node in question will be a party. The node in question communicates its selected sleep level to the re |
| 7263078 |
Method and apparatus for scanning in wireless computing devices |
August 28, 2007 |
| A method and system for scanning in a wireless device having a wireless network interface card (NIC) is presented. The system has a scanning history table for storing scanning results and a scanning engine that adjusts the scanning period based upon a history of scanning results and |
| 7187925 |
Access point to access point range extension |
March 6, 2007 |
| An architecture and methods for extending the depth of a WLAN to a four-level hierarchal access point structure including wireless access points. The wireless access points in the WLAN can be networked by scanning for a network, collecting one or more packets that identify the networ |
| 7181190 |
Method for maintaining wireless network response time while saving wireless adapter power |
February 20, 2007 |
| To reduce the power consumption of a wireless communication hardware device, power conservation scheduling algorithms can be implemented. Reoccurring events, including DTIM intervals and listen intervals can be scheduled as awake times. Similarly expected response intervals can be sc |