摘要:
A system and method for updating a location databank of a personal location system which is directed for use in a wireless communication system. A plurality of update centers are provided at known fixed locations within a base station coverage area. Each of the update centers includes means for transmitting its own precalibrated location information to a location databank along with real-time RF measurements for the base station. Each of the base stations is provided in electrical communication with a location adjunct processor which, in turn, is provided in electrical communication with the location databank and the public switched telephone network. Processing logic is operative to obtain the desired RF measurement at GeoPads which are provided in electrical communication with each update center. Processing logic is further operative to initiate a call to the LAP in order to transmit the measurements to the location databank along with the decoded location information so as to provide periodic updating.
摘要:
A system and method for updating a location databank of a personal location system which is directed for use in a wireless communication system. A plurality of update centers are provided at known fixed locations within a base station coverage area. Each of the update centers includes means for transmitting its own precalibrated location information to a location databank along with real-time RF measurements for the base station. Each of the base stations is provided in electrical communication with a location adjunct processor which, in turn, is provided in electrical communication with the location databank and the public switched telephone network. Processing logic is operative to obtain the desired RF measurement at GeoPads which are provided in electrical communication with each update center. Processing logic is further operative to initiate a call to the LAP in order to transmit the measurements to the location databank along with the decoded location information so as to provide periodic updating.
摘要:
An improved user interface for use in interactive electronic devices. The user interface eliminates the complexity and ambiguity problems encountered in conventional interfaces through the incorporation of a physical overlay designed for use in cooperation with a contiguous touch screen or a plurality of individual touch screens. The physical overlay delineates the touch screen or screens into a plurality of context sensitive task and information display regions which may be accessed by direct user manipulation.
摘要:
A method and system for determining the required number of active video circuits in an interactive video delivery network required to meet the specified blocking probability constraints. By determining peak loading hours as well as the number of system subscribers in a given video delivery network, the user may determine the blocking probability of the interactive video delivery system in accordance with the formula: This information may thereafter be used to determine the number active video circuits to meet the determined blocking probability.
摘要:
A hybrid coaxial cable network employing interdiction to ensure privacy in telephony communications. The video and telephony signals are secured such that telephony and interactive video signals to and from a subscriber do not appear on the network at any other undesired subscriber location.
摘要:
A fiber optic/coaxial cable telephony network including power. Power is supplied through the coaxial cable portion of the video network to a cable network unit where the power is converted and supplied to the equipment including customer premises equipment.
摘要:
A device for detecting the presence of spurious energy on a bus based network. The device identifies the subscriber location (21) which is the source of spurious energy and includes disconnection capability (36) to remove that subscriber location (21) from the network.
摘要:
A user interface for use in a mobile telephone handset which includes static visual display means for presenting the status of the mobile telephone and other services accessible by the user. The interface further includes dynamic visual display means for presenting a plurality of context sensitive function labels. A plurality of fixed-labels signaling keys and soft-label signaling keys are also provided in electrical communication with the static and dynamic visual display means. The soft-label signaling keys are operative to access the displayed function labels relevant to the current context of the user interface. A method is further disclosed which includes the provision of a mobile telephone handset as described above, as well as the steps of viewing the static and visual displays to obtain instructions as to the status of the mobile telephone, the availability of telephone functions and whether fixed or soft-label signaling keys should be utilized. As a further step, selected telephone function labels are presented on the static and dynamic visual displays and selected functions are accessed.
摘要:
A method and system for providing a digital wireless local loop for use by a wireless transceiver, e.g., a portable handset, in an indoor environment utilizing an outdoor base transceiver. Upon determining that the portable handset is located in an outdoor environment, the base transceiver and the portable handset communicate over one of a first plurality of frequencies. The outdoor portable handset is prohibited from transmitting and receiving signals over frequencies other than the first plurality of frequencies. Upon determining that the portable handset is located in an indoor environment, the base transceiver first transmits the communication signal to a first converter at one of a second plurality of frequencies different from the first plurality of frequencies. The first converter then converts the frequency to a predetermined conversion frequency different from the first and second plurality of frequencies. The signal is then transmitted to a second converter located in the indoor environment over the predetermined conversion frequency. The second converter shifts the frequency of the signal back to the one of the second plurality of frequencies and transmits the signal to the portable handset.
摘要:
A method and system for providing a digital wireless local loop. The system includes a primary transceiver for transmitting and receiving a digital signal at a first selected frequency from an outdoor macrocell base transceiver and for transmitting and receiving the digital signal at the first selected frequency to and from a portable handset. The method includes the step of receiving a digital audio/video/data signal having a first frequency from an outdoor macrocell base transceiver. The method also includes the step of retransmitting the signal having the first frequency at a second frequency to a portable handset. The step of retransmitting the signal includes receiving the signal having the first frequency and retransmitting the signal at an intermediate frequency, and receiving the signal having the intermediate frequency and retransmitting the signal at the second frequency to the portable handset. The method also provides for communications originating from the portable handset.