Patents Assigned to Nextel Communications Inc.
  • Publication number: 20070025291
    Abstract: Systems and methods for enhancing the capacity of base stations are provided. A base station can operate in a time division duplex mode within a first frequency band. When a second frequency band is acquired for the base station's geographic region, a duplexer can be added to the base station. The base station can then operate in a frequency division duplex mode, where the first frequency band is used for base station downlink transmissions and the second frequency band is used for uplink transmissions.
    Type: Application
    Filed: July 29, 2005
    Publication date: February 1, 2007
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Alireza Afrashteh, Masoud Olfat, Douglas Hyslop, Rajesh Gangadhar
  • Publication number: 20070026798
    Abstract: A device and method for notifying a user of a mobile communication device that a communication has been received from a wireless macro network are provided. The message notification device communicates with the mobile communication device through a short-range wireless communication link, and can be worn on the body of the user as, for example, a bracelet worn around the wrist, or a pendant worn around the neck. The message notification device contains a mechanism, such as vibration device, to alert the user of an incoming communication, and may contain a display on which information associated with the incoming communication can be shown.
    Type: Application
    Filed: July 29, 2005
    Publication date: February 1, 2007
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventor: Corrie Hoogstra
  • Publication number: 20070026891
    Abstract: Systems and methods for obtaining information from a wireless modem are provided. An information requesting device can send an information request to the wireless modem. The wireless modem authenticates the information request, obtains the requested information and provides the obtained information to the information requesting device. The information can be a current location of the wireless modem, a received signal strength, whether the wireless modem is transmitting or receiving data, whether an external device is coupled to the wireless modem, and/or the like.
    Type: Application
    Filed: July 29, 2005
    Publication date: February 1, 2007
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventor: Duc Dinh Lai
  • Publication number: 20070019656
    Abstract: Systems and methods for a dispatch communication router are provided. The dispatch communication router allows calls between two or more dispatch communication networks which operate using different dispatch communication protocols. The dispatch communication router includes a protocol interworking function, a media control stack and a transcoding function. The dispatch communication router also includes a dispatch technology protocol stack for each different dispatch communication protocol supported by the router. The dispatch technology protocol stack converts dispatch communication signaling of a particular dispatch communication technology into a common protocol. The dispatch technology protocol stack can also convert dispatch communication media into a common dispatch communication media protocol and media format, or a separate transcoder can be provided to perform such conversion.
    Type: Application
    Filed: December 20, 2005
    Publication date: January 25, 2007
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: David Martin, Corey Gates, Frank Chu
  • Publication number: 20070015505
    Abstract: Methods and systems for IMEI registration are provided. In accordance with exemplary embodiments of the present invention, when an IMEI registration fails due to a network failure, the mobile station implements a back-off algorithm for future IMEI registration attempts. Specifically, the present invention provides a back-off algorithm which determines a different amount of time for the time period between each unsuccessful IMEI registration.
    Type: Application
    Filed: September 19, 2006
    Publication date: January 18, 2007
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Steven Barrow, Manish Sharma, Anthony Soong
  • Publication number: 20070010274
    Abstract: A method and computer-readable medium for performing predictive name completion, categorizing call lists and accessing dispatch ID numbers in a database for dispatch dialers is provided. The method for performing predictive name completion includes recognizing a portion of a dispatch ID input by a user; determining a name associated with a dispatch ID, based on the portion of the dispatch ID input by the user, and displaying the name. The method for categorizing call lists includes determining a type of each of a plurality of the dispatch calls; and placing each of the plurality of dispatch calls in one of a plurality of categorized lists, based on the type of each of the plurality of dispatch calls. The method for accessing dispatch ID numbers in a database includes establishing a mirror database including the dispatch ID numbers; and searching the mirror database for particular dispatch ID numbers.
    Type: Application
    Filed: June 21, 2005
    Publication date: January 11, 2007
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Duc Lai, Julio Palacio
  • Patent number: 7155207
    Abstract: A system and method of analyzing communications between a calling party and a called party is disclosed. In an embodiment of a method of the present invention, the method includes receiving a communication at a service provider network, recording the communication, analyzing a voice content portion of the recorded communication to determine if the voice content portion contains a keyword stored in a database, and forwarding the recorded communication to a law enforcement agency if the keyword is detected in the voice content portion. In an embodiment of a system of the present invention, the system includes a buffer memory for receiving a recorded communication from a service provider network and a content analysis system coupled to the buffer memory.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: December 26, 2006
    Assignee: Nextel Communications Inc.
    Inventors: David Chapman, Ben Levitan
  • Publication number: 20060286991
    Abstract: A method and computer-readable medium for a dual dialer state machine are provided. The state machine allows a Radio Interface Layer (RIL) to make decisions on whether to allow calls to be initiated or terminated depending upon the type of call (interconnect or dispatch). The RIL uses the state machine to coordinate the functions of an interconnect phone application and a dispatch phone application.
    Type: Application
    Filed: June 21, 2005
    Publication date: December 21, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Julio Palacio, Duc Lai, Denis Londry, Pieter Truter
  • Publication number: 20060283617
    Abstract: Three specific problems or needs related to deployment of fiber optic repeater distributed antenna systems are addressed by providing a particularly configured enclosure or cabinet adapted to protect repeaters from vandalism, enclose power components directly below the repeaters, and provide uninhibited ventilation. The cabinet includes a first cabinet portion partially enclosing a first chamber in which the repeater is receivable, a second cabinet portion at least partially enclosing a second chamber in which the power source components are receivable, and a door mounted to the first cabinet portion so as to be movable between a closed position, in which access to the first chamber is prevented, and an open position, providing access to the first chamber. A locking mechanism by which the door can be securely retained in the closed position includes a handle which is redundantly securable in an inoperative position, thereby preventing locking mechanism operation and precluding access to the first chamber.
    Type: Application
    Filed: June 15, 2005
    Publication date: December 21, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Thomas McMahon, Rick Sputa
  • Patent number: 7149198
    Abstract: A wireless communication system including an originator media gateway to encode voice data into an IP packet depending on whether tandem free operation (TFO) or normal operation is being used. The media gateway makes such determination independent of the TFO protocol being used. In particular, the media gateway determines that TFO is being used by determining whether bits in particular fields of a predetermined number N of voice octets are filler bits or not. If they are filler bits, then TFO is being used, otherwise, normal operation is being used. If TFO is being used, the media gateway forms an IP packet with data from only another particular fields of the voice octets. If normal operation is used, the media gateway forms an IP packet with data from the entire voice octets. A target media gateway determines TFO or normal operation by examining the size of the received IP packet.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: December 12, 2006
    Assignee: Nextel Communications Inc.
    Inventor: Hung Viet Bui
  • Patent number: 7142856
    Abstract: A system and method for providing subscriber presence information in a dispatch network is disclosed. In an embodiment of the method, presence subscription information related to a dispatch network subscriber is provided to a home location register. A presence message is provided to a presence server related to the subscription information. A presence status is provided to a party by the presence server. In an embodiment of the system, a home location register stores a subscriber presence table. The presence table includes presence subscription information related to a dispatch network subscriber. A dispatch application processor (DAP) is coupled to the home location register and the DAP retrieves the presence subscription information for a subscriber registered in the DAP. The DAP provides a presence message to the presence server and the presence server provides a presence status to a communications medium.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: November 28, 2006
    Assignee: Nextel Communications Inc.
    Inventor: Steven W. Barrow
  • Patent number: 7139573
    Abstract: Methods and systems for IMEI registration are provided. In accordance with exemplary embodiments of the present invention, when an IMEI registration fails due to a network failure, the mobile station implements a back-off algorithm for future IMEI registration attempts. Specifically, the present invention provides a back-off algorithm which determines a different amount of time for the time period between each unsuccessful IMEI registration.
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: November 21, 2006
    Assignee: Nextel Communications Inc.
    Inventors: Steven Wesley Barrow, Manish Sharma, Anthony Wei-Hsia Soong
  • Publication number: 20060256812
    Abstract: Systems and methods for obtaining location information for a communication station in a first domain by a communication station in a second domain are provided. The communication station in the second domain embeds a location request message in a message formatted according to a first communication protocol, and transmits the message formatted according to the first communication protocol to a proxy server. The proxy server removes the embedded request message and forwards it to a location server, which is located in the first domain. The proxy server receives a location response message and embeds it in another message formatted according to the first communication protocol. The proxy server then transmits the another message formatted according to the first communication protocol to the communication station in the second domain, which can remove the embedded location response message.
    Type: Application
    Filed: May 10, 2005
    Publication date: November 16, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Jing Qu, Manish Sharma
  • Publication number: 20060253886
    Abstract: Systems and methods for scheduling audio and/or visual content for recording using a mobile station are provided. A mobile station can display a content guide listing audio and/or visual content. When a dispatch button is depressed, a request for recording of the audio and/or visual content which is currently selected is sent to a server. The server forwards the request to a television device, which schedules the recording of the selected audio and/or visual content. Reminder messages regarding upcoming audio and/or visual content can be sent to the mobile station. If a dispatch button of the mobile station is depressed when the reminder message is being displayed, a request to record the audio and/or visual content identified in the reminder message is sent to the television device.
    Type: Application
    Filed: April 1, 2005
    Publication date: November 9, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Sanjay Khurana, Robert Cerbone, Beverly Murdock
  • Publication number: 20060239270
    Abstract: Systems and methods for switching communications across different data link layer protocols are provided. A switch which supports a first data link layer protocol can support differentiated services for a second data link layer protocol without performing routing in the second data link layer protocol. The differentiated services are provided by mapping a connection of the first data link layer protocol onto one of a plurality of connections of a second data link layer protocol. The mapping of frames is based on the connection carrying the frames of the first data link layer protocol and a type of service associated with the frames. The frames of the first data link layer protocol are forwarded to another switch using one of a plurality of connections based on the mapping.
    Type: Application
    Filed: April 22, 2005
    Publication date: October 26, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Lei Yao, Victor Gonzalez
  • Patent number: 7127266
    Abstract: A system and method for allocating service provider network resources for supporting dispatch multi-party calls is disclosed. In an embodiment of a method of the present invention, the method includes receiving a requirement at the service provider network for supporting a dispatch multi-party call having a projected number of participants. An amount of network resources required to support the projected number of participants is determined. A portion of the amount of network resources required to support the projected number of participants in the dispatch multi-party call is dedicated to the dispatch multi-party call in the service provider network. In an embodiment of a system of the present invention, the system includes a media server having resources for supporting a dispatch multi-party call having a projected number of participants in a service provider network.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: October 24, 2006
    Assignee: Nextel Communications Inc.
    Inventors: David Martin, Trinh Vu
  • Publication number: 20060233331
    Abstract: Systems and methods for identifying charges on a bill are provided. Each charge category is assigned an associated symbol. The associated symbol appears in proximity to the corresponding charge category on the bill. If a charge category includes charge subcategories, the symbol can also appear on the bill in proximity to the charge subcategory.
    Type: Application
    Filed: April 13, 2005
    Publication date: October 19, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Rafael Maestas, Bryan Spencer, Cathy Dunn
  • Publication number: 20060229085
    Abstract: A communication module capable of simultaneously providing communication and positioning information is provided. The communication module includes a processor with an integrated positioning receiver. The processor transmits and receives communication information, such as interconnect voice, dispatch voice, or data, using a first transceiver. The integrated positioning receiver is coupled to a second transceiver to transmit positioning information.
    Type: Application
    Filed: March 30, 2005
    Publication date: October 12, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Duc Lai, Peggy Lee
  • Publication number: 20060225108
    Abstract: A system and method for communicating between a television device and one or more mobile stations are provided. The television device can obtain a map identifying the location of the one or more mobile stations, which can be displayed on a television. The television device can also be used to provide dispatch communications with the one or more mobile stations. The one or more mobile stations can be part of a predefined group, such as a family. A group communication server is provided to facilitate communication between the television device and the one or more mobile stations.
    Type: Application
    Filed: July 29, 2005
    Publication date: October 5, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Ali Tabassi, Sanjay Khurana, Beverly Murdock, Greg Homan
  • Publication number: 20060211431
    Abstract: A system and method for determining the location of a base transceiver station (BTS) are provided. A personal BTS can determine its location using information transmitted by neighboring BTSs or from mobile station transmissions to neighboring BTSs. If the personal BTS cannot determine its location using information from neighboring BTSs or from mobile station transmissions, the personal BTS can contact a cellular network operator to request that a technician come out to verify the location.
    Type: Application
    Filed: March 15, 2005
    Publication date: September 21, 2006
    Applicant: NEXTEL COMMUNICATIONS, INC.
    Inventors: Nagi Mansour, Shane Chapman