Christopher Michael Caldwell

US Patent:

7623486, Nov 24, 2009

Filed:

Jun 30, 2006

Appl. No.:

11/480775

Inventors:

Christopher Caldwell - Woodinville WA, US
Janne Linkola - Espoo, FI
Michael Hendrick - Renton WA, US
James Hsu - Bothell WA, US
Jelena Senour - Issaquah WA, US

Assignee:

T-Mobile USA, Inc. - Bellevue WA

International Classification:

H04W 4/00

US Classification:

370328, 370352, 370230, 370280, 455434, 455450

Abstract:

Systems and methods for connecting a mobile device to an alternate wireless network are disclosed. The method includes determining alternate wireless networks available to access by the mobile device, ordering the available alternate wireless networks by signal strength, connecting the mobile device to the alternate wireless network with a highest signal strength, measuring a quality of the connected alternate wireless network and, when the quality of the connected alternate wireless network is above a predetermined threshold, operating the mobile device over the connected alternate wireless network.

US Patent:

7646745, Jan 12, 2010

Filed:

Jun 30, 2006

Appl. No.:

11/480821

Inventors:

Christopher Caldwell - Woodinville WA, US
Janne Linkola - Espoo, FI
Jasdeep Chugh - Renton WA, US
James Hsu - Bothell WA, US
Jelena Senour - Issaquah WA, US

Assignee:

T-Mobile USA, Inc. - Bellevue WA

International Classification:

H04W 4/00

US Classification:

370328, 370230, 370329, 370490, 4554353, 455566

Abstract:

Methods and systems are disclosed to enable users of mobile devices to have an easy out of the box experience. In some examples, during the initial powering on of a mobile device, subsequent powering on of the mobile device, or at user direction, the device queries a user about connecting to an alternate wireless access network supported by the mobile device and upon receiving an indication from the user of the mobile device to proceed with the connection to the alternate wireless access network, connects the mobile device to an alternate wireless access network.

US Patent:

8116291, Feb 14, 2012

Filed:

Aug 27, 2009

Appl. No.:

12/549290

Inventors:

Magesh Annamalai - Renton WA, US
Christopher E Caldwell - Woodstock GA, US
Simon Chapman - Issaquah WA, US
Christopher H. Joul - Bellevue WA, US
Justin Mueller - Sammamish WA, US
Janne P. Linkola - Espoo, FI
John F. Pottle - Issaquah WA, US
Ryan N. Jensen - Monument CO, US

Assignee:

T-Mobile USA, Inc. - Bellevue WA

International Classification:

H04W 4/02

US Classification:

370338, 4554042, 4554561

Abstract:

A wireless connection between a mobile device and an IP-based wireless telecommunications network is established when the mobile device registers with a network controller (NC) through an access point (AP). When a geographical position is needed for the mobile device (e. g. , a 911 call), messages are exchanged between the NC and a serving mobile location center (SMLC), where the SMLC retrieves information from a database that is used to identify the geographic position of the mobile device. The database can store a variety of information related to mobile devices such as: last known position, IP address, MAC address, a mobile or subscriber identifier (such as an International Mobile Subscriber Identity (IMSI)), last CGI, etc. The geographical position is communicated back to the NC, which can then forward the position information to a switch for processing such as for 911 calls.

US Patent:

8351420, Jan 8, 2013

Filed:

Oct 23, 2006

Appl. No.:

11/552096

Inventors:

Janne Linkola - Espoo, FI
Christopher Caldwell - Woodinville WA, US

Assignee:

T-Mobile USA, Inc. - Bellevue WA

International Classification:

H04L 12/66

US Classification:

370352, 370242, 370245, 370338, 370493, 370494, 709227, 709228, 37922105, 455410, 455411, 455423, 455424

Abstract:

A facility for maintaining a subscriber history pertaining to the use of a mobile device with an IP-based telecommunications service offered by a service provider. When a connection request is made by a mobile device to access an IP-based telecommunications service, one or more identifiers associated with the requesting mobile device and access point are provided in the request and stored by the facility. In some cases, the identifiers are stored even if the mobile device is unable to, or not authorized to, access the telecommunications service. Additional parameters associated with the request from the mobile device, such as a time stamp and details of a subsequent telecommunications session, are also associated with the stored request. The history of requests to access the IP-based telecommunications service from the mobile device are maintained by the facility and provided to a service support provider.

US Patent:

20070268908, Nov 22, 2007

Filed:

May 17, 2006

Appl. No.:

11/435504

Inventors:

Janne P. Linkola - Espoo, FI
Christopher E. Caldwell - Woodinville WA, US

Assignee:

T-Mobile USA, Inc. - Bellevue WA

International Classification:

H04L 12/56

US Classification:

3703952

Abstract:

A system and method are arranged to evaluate registration requests associated with a mobile subscriber (MS) in a fixed-mobile converged network. The fixed-mobile converged network consists of at least one fixed network topology (e.g., IP) and at least one mobile network topology (e.g., CDMA, TDMA, GSM, etc.). Registration request are received by the system from the MS. The registration request includes information identifying an access point (AP) where the MS obtained access to the fixed network. The identifying information is used to query a database to determine if the MS is authorized for access through the AP. The database can identify the AP in any number of ways, including but not limited to MAC address, IP address, and FQDN. The results form the database query are evaluated and the requested registration from the MS is either completed or rejected based on the access authorization associated with the AP.

US Patent:

20120320888, Dec 20, 2012

Filed:

Feb 14, 2012

Appl. No.:

13/396566

Inventors:

Magesh Annamalai - Renton WA, US
Christopher E. Caldwell - Woodstock GA, US
Simon Chapman - Issaquah WA, US
Christopher H. Joul - Bellevue WA, US
Justin Mueller - Sammamish WA, US
Janne P. Linkola - Espoo, FI
John F. Pottle - Issaquah WA, US
Ryan N. Jensen - Monument CO, US

Assignee:

T-Mobile USA, Inc. - Bellevue WA

International Classification:

H04W 84/12

US Classification:

370338

Abstract:

A wireless connection between a mobile device and an IP-based wireless telecommunications network is established when the mobile device registers with a network controller (NC) through an access point (AP). When a geographical position is needed for the mobile device (e.g., a 911 call), messages are exchanged between the NC and a serving mobile location center (SMLC), where the SMLC retrieves information from a database that is used to identify the geographic position of the mobile device. The database can store a variety of information related to mobile devices such as: last known position, IP address, MAC address, a mobile or subscriber identifier (such as an International Mobile Subscriber Identity (IMSI)), last CGI, etc. The geographical position is communicated back to the NC, which can then forward the position information to a switch for processing such as for 911 calls.