Abstract: An architecture for performing communications between a remote computer system and a host server over a “connection establishment” type network (i.e., dial-up) is described. The architecture comprises configuring the remote computer system with a Point-to-Point Protocol (PPP) stack. Similarly, an Address Resolution Protocol (ARP) service module and a Dynamic Host Configuration Protocol (DHCP) server are configured on the remote computer system. The PPP stack provides dial-up networking capabilities, while the DHCP server and the ARP service module provide “always connected” type network (i.e., LAN) messaging functionality. The PPP stack, the ARP service module, and the DHCP server are configured as a driver that is installed on the remote computer system. As such, the driver will enable a connection over the “connection establishment” type network that will appear to be an “always connected” type connection to the remote computer system.

Abstract: Methods of and apparatuses for characterizing the power supplying capabilities of host power supplies providing power to wireless modems. According to an exemplary method, an equivalent series resistance of the power supply is determined and compared to a plurality of maximum equivalent series resistance values associated with a corresponding plurality of transmission power classes. Each power class is designated as a permissible power class at which the wireless modem may be configured to transmit, for each maximum equivalent series resistance value that is greater than the equivalent series resistance of the power supply.

Abstract: A receiver with reduced near field noise is described. The receiver has a far range receiving section configured to sense a desired signal that includes near field noise. The receiver further includes a near range receiving section configured to sense a near field noise reference signal. An adaptive noise canceller (ANC) of the receiver is configured to detect the magnitude of an error vector from the far range receiving section. The ANC is configured to adjust the phase and gain of the near field noise reference signal in response to the magnitude of the error. Accordingly, the ANC can generate a corrected near field noise reference signal that is added to the desired signal with an adder. The near field noise is canceled by the addition of the corrected near field noise signal. The ANC uses a least mean square technique to determine the amount of correction needed.

Abstract: A multi-function interface which allows connectivity between a communication device and a host is provided. The multi-function interface includes a plurality of logical devices which provide connectivity between the communication device and the host. The communication device transmits data and updates the host simultaneously using the plurality of logical devices which are associated with the peripheral device. The plurality of logical devices includes a communication port and status port. The communication port allows for the transmission of data between the host and the communication device. The status port updates the host with real-time status information as the communication device is transmitting data to the host.

Abstract: A system and method for a user to initiate a data only session with a mobile terminal over a wireless network configured with an IS-683 protocol. The user selects a system with the mobile terminal in order to place a call with the wireless network. Next, a call is originated with the mobile terminal to the wireless network. A traffic channel is assigned for the call originated with the mobile terminal. The call is routed to a web server of the wireless network that collects user information from the mobile terminal. Finally, the web server will initiate the mobile data programming session with the mobile terminal such that the user does not need outside assistance from a customer service representative to initiate the call.

Abstract: A transmitter of a wireless modem may be ramped up with quicker ramp up times and better splatter control by using software controllable ramp up techniques. A digital data signal source sends data to digital-to-analog converters used to generate a ramp with the desired duration and shape for maximum gain with minimum splatter. A transmitter digital-to-analog converter is sent constant I/Q data to bias the input of the I/Q modulator to maximum gain when combined with a direct current voltage. A controller digital-to-analog converter is sent incremented ramp data to shape the ramp and provide maximum gain at the output of the I/Q modulator.

Abstract: A device for providing wireless communication is disclosed. The device includes an antenna mounted on a personal computer card. The antenna has a pivotal connection for pivoting the antenna and a rotatable connection for rotating the antenna in a direction which differs from the direction of rotation. The antenna is rotatable about two axes and is retractable. In the extended position, the antenna is electrically connected with the personal computer card and can receive and transmit signals. The antenna also has a base which is detachably mounted to the personal computer card so that the antenna can be removed from said personal computer card and replaced.

Abstract: A PCMCIA modem card uses a switch to output an analog baseband radio signal across a PCMCIA connector pin normally used to output a conventional digital signal. In this way, the analog signal can be accessed to test the radio receiver of the PCMCIA modem card.

Abstract: Methods of and apparatuses for varying and controlling the effective series resistance (ESR) of a power supply rail configured to transmit power from a power supply of a host device to a wireless network interface device (e.g. a wireless modem). Varying and controlling the ESR of the power supply rail, relative to an ESR of a super capacitor coupled to the power supply rail, allows control of the currents drawn from the host power supply and a super capacitor. During a time when the wireless network interface device is transmitting or is about to transmit, the ESR of the power supply rail is increased so that it exceeds the ESR of the super capacitor, thereby causing current for the power amplifier (PA) of the wireless network interface device to be drawn primarily from the super capacitor, rather than from the host power supply.

Abstract: Methods of and apparatuses for characterizing the power supplying capabilities of host power supplies providing power to wireless modems. According to an exemplary method, an equivalent series resistance of the power supply is determined and compared to a plurality of maximum equivalent series resistance values associated with a corresponding plurality of transmission power classes. Each power class is designated as a permissible power class at which the wireless modem may be configured to transmit, for each maximum equivalent series resistance value that is greater than the equivalent series resistance of the power supply.

Abstract: A hand-held, PCMCIA cellular radio modem card is described which uses a non-standard power output level. The non-standard power output is defined as the maximum RF power attainable such that the current drawn by the power amplifier does not exceed 400 mA. This definition permits the use of the wireless modem inside hand-held computing devices without the use of an additional battery pack extension.

Abstract: A data communications network may be browsed using one or more tokens by receiving an input keyword string from a user, determining whether there is a match between the input keyword string and a database of keyword strings, determining a category of the keyword string, rendering to the user at least one service identifier associated with the category, receiving a user-selected service identifier in response to the rendering, substituting at least one variable in a resource locator template associated with the service with a string based at least in part on the keyword string entered by the user and launching the resource locator. According to one aspect, a special rendering of a hyperlink corresponding to the resource locator is used to indicate private data will be disclosed upon launching the resource locator.

Abstract: A host interface protocol and a control and status protocol for use with host unit and a wireless communication unit are described. The host interface protocol allows for multiplexing between data transfer messages and control and status messages. In a preferred embodiment, the control and status message protocol supports messages that can be a message payload of a host interface protocol payload.

Abstract: The present invention provides multiple foci so that a user may enter input into multiple objects without having to switch between them. This may be accomplished by mapping certain types of input events to specific objects within the graphical user interface. Thus, when inputs of a certain type are received, one focus is utilized, wherein when inputs of another type are received, a different focus may be utilized.

Abstract: The present invention provides a solution in which a script containing general security parameters and access policies in a file is placed on an appropriate internal server. The location of the script may then be stored on an external server. When an end-user within the organization decides to purchase a wireless network device, he may attach it to his existing computer. The computer then may retrieve the security file location from the external server, retrieve the security file from the internal server using the security file location, and program the security file into the wireless device.

Abstract: Method of and apparatus for preventing current overdraw by a wireless modem sinking current from a host power supply of a host device (e.g. laptop computer or PDA). The methods and apparatuses are particularly applicable, but not limited to PCMCIA wireless modems and GSM/GPRS wireless networks.