Abstract: A frequency reuse scheme that provides high spectral efficiency and reduced interference in areas where cell sites overlap is provided. Three frequencies are allocated per cell site, with each sector employing two frequencies, one frequency being transmitted at a higher power and the second frequency being transmitted at a lower power. The higher power frequency in one sector differs from the higher power frequency employed in the other two sectors, and the lower power frequency used in one sector differs from the lower power frequency used in the other two sectors.

Abstract: The present invention provides a computer-based system, method and computer program product for inventorying assets and quickly determining the financial costs of an event impacting the location where such assets are located. A user is able to enter impact location identifiers and one or more asset impact variables using a user interface. A storage device stores an impact location profile for each of one or more impact location identifiers. An asset impact management module then retrieves an impact location profile corresponding to the impact location identifiers. The asset impact management module also retrieves at least one segment area analysis identifier. Each segment area identifier is associated with one or more segment area impact variables. A financial impact analyzer determines the financial costs of an event using the impact location profile, the segment area impact variables and the asset impact variables.

Abstract: Systems and methods for fault tolerant communication are provided. A base site is coupled to a central office via a channel service unit. The channel service unit is coupled to the central office via primary and secondary communications links. A first and second permanent virtual circuit couple the channel service unit to a wireless carrier core network. When there is a fault on the primary communication link or the primary permanent virtual circuit user network interface of an aggregator, the secondary communication link is established and the secondary permanent virtual circuit is activated. Communications are then routed to the wireless carrier core network via the secondary communication link and the secondary permanent virtual circuit.

Abstract: A method and system for private wireless network communications is provided. A private wireless network controller is coupled to a Private Branch Exchange (PBX), a private base transceiver station, and a Public Switched Telephone Network (PSTN). The private base transceiver station is coupled to a wireless macro network. The private wireless network controller and private base transceiver station allow connection of interconnect and dispatch wireless calls, which originate on the private wireless network, to other mobile stations on the private wireless network, to terminals connected to the PBX, to mobile stations on wireless macro networks, and to terminals coupled to the PSTN.

Abstract: A system and method for sharing a forward link time slot are disclosed. Information being sent to each user sharing a time slot in a 1× evolution data only (1×EV-DO) frame is assigned a number of Walsh codes and allocated an amount of transmit power. The total amount of transmit power used by a base transceiver station for a time slot is divided among the users. The number of Walsh codes and amount of transmit power assigned to each user sharing a time slot can be based upon the RF conditions being experienced by the user.

Abstract: Methods and systems for priority access to control channels are provided. A mobile stations is assigned a user priority value. The mobile station selects a retry algorithm from a plurality of retry algorithms based on the assigned user priority value. Alternatively, the assigned user priority value can be used as a seed value for a single retry algorithm. Mobile stations with higher priority values will attempt to access the control channel within shorter time periods and more frequently than those with lower priority values.

Abstract: System and method for transferring data from a first subscriber identity module (SIM) card to a second SIM card are provided. The first SIM card is inserted into a wireless telephone. Software is downloaded to the wireless telephone. The software converts the data from a format of the first SIM card to a format of the second SIM card. The second SIM card is inserted into the wireless telephone, and the converted data is written to the second SIM card.

Abstract: Systems and methods for communicating with bi-nodal network elements are provided. A single address is shared between both nodes of a bi-nodal network element. When packets are transmitted from either one of the nodes of the bi-nodal network element, the single address is employed as the source address of the packet. When packets are transmitted to either one of the nodes of the bi-nodal network element, the single address is employed as the destination address of the packet.

Abstract: A system and method of establishing a multi-party dispatch communication session is disclosed. In accordance with an embodiment of a method of the present invention, the method includes receiving an invitation to join a multi-party dispatch communication session directed to a called party at a dispatch network. The invitation is transmitted to the called party by the dispatch network and an option is provided to the called party to either accept the invitation, decline the invitation, or defer the invitation. In accordance with an embodiment of a system of the present invention, the system includes a dispatch network where the network transmits an invitation option to a plurality of called parties to either accept an invitation to join a multi-party dispatch communication session, decline the invitation, or defer the invitation. The dispatch network establishes a multi-party dispatch communication session between a set of the plurality of called parties that accept the invitation.

Abstract: Systems and methods for a manually adjustable directional antenna are disclosed. The device includes a housing and the housing includes a wireless modem, a directional antenna and an adjustment mechanism. The adjustment mechanism is coupled to the directional antenna via a mounting pipe. Alternatively, the housing includes a directional antenna, an adjustment mechanism, and a connector, which couples the directional antenna to an external modem. The adjustment mechanism may be an adjustment knob for the directional antenna within the housing or a rotatable turntable used to support and rotate the entire housing, including the directional antenna.

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.

Abstract: A system and method for operating a dual-mode mobile communications unit in a home network of the communications unit is disclosed. In an embodiment of the method, the dual-mode mobile communications unit is provisioned as a visitor in the home network of the communications unit. The home network utilizes a proprietary technology but the communications unit communicates with the home network in the same standards-based technology that a roamer in the home network uses to communicate with the home network. In an embodiment of the system, the system includes the home network of the communications unit, where the home network utilizes a proprietary technology but where the communications unit communicates in the home network in the standards-based technology. The system also includes a visitor location register coupled to the home network. The dual-mode mobile communications unit is provisioned as a visitor in the visitor location register of the home network.

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.

Abstract: In an embodiment of a method of the present invention, the method includes the acts of establishing a dispatch multi-party call between a set of communication devices and establishing a sidebar communication between a subset of the set of communication devices. The set of communication devices participate in the dispatch multi-party call and only the subset of communication devices participate in the sidebar communication. In an embodiment of a system of the present invention, the system includes a dispatch network and a set of communication devices in communication with the dispatch network. The dispatch network establishes a dispatch multi-party call between the set of communication devices and a sidebar communication between a subset of the set of communication devices, wherein the set of communication devices participate in the dispatch multi-party call and only the subset of communication devices participate in the sidebar communication.

Abstract: A method and system for providing an originating dispatch user with delivery options when a destination dispatch user is not available are provided. These options can include delivering buffered voice to a voice mail system, and converting the buffered voice to text and sending the text as an electronic mail, a short message service (SMS) message, or an instant message. The speech can be buffered in either the network or in the originating communication device. The speech can be buffered either before or after receiving a call setup acknowledgment from the dispatch network.

Abstract: A system and method of conducting a dispatch multi-party communication session is disclosed. In accordance with an embodiment of a method of the present invention, the method includes establishing a dispatch multi-party communication session in a dispatch network and identifying the dispatch multi-party communication session to a subscriber of the dispatch network. A join request is received at the dispatch network from the subscriber in response to identifying the dispatch multi-party communication session and the subscriber is joined to the session in response to the received join request. In accordance with an embodiment of a system of the present invention, the system includes a dispatch network wherein the network establishes a dispatch multi-party communication session and identifies the dispatch multi-party communication session to a subscriber of the dispatch network.

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.

Abstract: A system and method for frequency planning is provided. In systems with consecutive frequency channels, half-channel frequency reuse can be provided between channels employed by different cells. Specifically, two channels in two proximately located cells can overlap within the frequency spectrum by one-half of the frequency of a channel. Half-channel overlap can increase frequency reuse, and in turn, system capacity.

Abstract: A system and method for multiplexing subchannels in an OFDMA network is provided. The subchannels can be multiplexed by splitting the subchannels in the frequency domain. Alternatively, the subchannels can be code division multiplexed using N orthogonal spreading codes. The subchannel multiplexing increases system capacity for low-rate services, such as voice-based services.