Abstract: The invention concerns a method (200) and system (100) for displaying appointments. The method includes the steps of—in an electronic device (110)—displaying (212) an analog clock face (300) that is divisible into a plurality of time regions (318) in which the plurality of time regions includes at least a portion of an ante meridiem section (320) and a post meridiem section (322), associating (216) a time region with an appointment and marking (222) the time region, including at least a portion of one of the ante meridiem section and the post meridiem section, to indicate visually that the appointment is associated with the time region. The method can further include the step of assigning (220) an icon (324) to the marked time region to indicate the type of appointment associated with the time region.

Abstract: The invention concerns a method (300) for directing users to coverage. The method includes the steps of detecting (314) when a signal strength parameter of a mobile unit (112) falls below a predetermined threshold, acquiring (316) positional information about the mobile unit and directing (322) a user of the mobile unit to a reestablishing coverage area (110) that has a signal strength that would cause the signal strength parameter to meet the predetermined threshold. In addition, the method can include the step of calculating (320) positional parameters between the mobile unit and the reestablishing coverage area in which the reestablishing coverage area is a coverage area (110) that is physically closest to the mobile unit in comparison to other coverage areas.

Abstract: A communication system includes a base transmitter (110) for transmitting a signal over the air indicating a reallocation of a non-removable memory within a portable communication device (200), a non-removable memory (212) within the communication device preconfigured with a first amount of space allocated for random access memory and a second amount of space allocated for a heap, and a processor (208) coupled to the non-removable memory. The processor can be programmed to receive the signal over the air to re-allocate at least the first amount of space and the second amount of space in accordance with the signal.

Abstract: A system and method of retrieving dispatch call information from a dedicated database by using interconnect call information. Interconnect call information from an interconnect communication system is obtained. The information identifies a target dispatch subscriber unit in a dispatch communication system. A request is received from a source dispatch subscriber unit. The request includes the interconnect call information. The interconnect call information identifying the target dispatch subscriber unit is extracted from the request. The interconnect call information of the target dispatch subscriber is related to unique dispatch call connection information of the target dispatch subscriber in a dedicated database. The unique dispatch call connection information concerning the target dispatch subscriber unit from the dedicated database in the dispatch communication system is retrieved using the extracted interconnect call information from the request.

Abstract: A method of updating Global Positioning System almanac data includes steps for obtaining a current satellite almanac for a satellite constellation at a server in a communications infrastructure associated with a wireless device (102), creating a subset of the current satellite almanac in the server that includes satellite almanac data only for fewer than all satellites listed in the current satellite almanac (104), and transmitting the subset of the current satellite almanac from the server to the wireless device (106).

Abstract: A system, method and computer readable medium for providing a push-to-talk indicator on a wireless device is disclosed. The method on a wireless device includes indicating, via a push-to-talk indicator, that a user of the wireless device may not provide audio for transmission. The method further includes initiating, by the wireless device, a connection setup procedure with a wireless network, and receiving a message from the wireless network indicating establishment of a connection. The method further includes indicating, via the push-to-talk indicator, that the user of the wireless device may provide audio for transmission. The push-talk-talk indicator is a backlit button that emits a green light to indicate an open channel and red light to indicate that the channel is not open.

Abstract: A method of updating Global Positioning System almanac data includes steps for obtaining a current satellite almanac for a satellite constellation at a server in a communications infrastructure associated with a wireless device (102), creating a subset of the current satellite almanac in the server that includes satellite almanac data only for fewer than all satellites listed in the current satellite almanac (104), and transmitting the subset of the current satellite almanac from the server to the wireless device (106).

Abstract: A frequency management scheme for a hybrid cellular/GPS or other device generates a local clock signal for the communications portion of the device, using a crystal oscillator or other part. The oscillator output may be corrected by way of an automatic frequency control (AFC) circuit or software, to drive the frequency of that clock signal to a higher accuracy. Besides being delivered to the cellular or other communications portion of the hybrid device, the compensated clock signal may also be delivered to a comparator to measure the offset between the cellular oscillator and the GPS oscillator. The error in the cellular oscillator may be measured from the AFC operation in the cellular portion of the device. An undershoot or overshoot in the delta between the two oscillators may thus be deduced to be due to bias in the GPS oscillator, whose value may then be determined.

Abstract: A frequency management scheme for a hybrid cellular/GPS or other device generates a local clock signal for the communications portion of the device, using a crystal oscillator or other part. The oscillator output may be corrected by way of an automatic frequency control (AFC) circuit or software, to drive the frequency of that clock signal to a higher accuracy. Besides being delivered to the cellular or other communications portion of the hybrid device, the compensated clock signal may also be delivered to a comparator to measure the offset between the cellular oscillator and the GPS oscillator. The error in the cellular oscillator may be measured from the AFC operation in the cellular portion of the device. An undershoot or overshoot in the delta between the two oscillators may thus be deduced to be due to bias in the GPS oscillator, whose value may then be determined.