摘要:
Power control in a spread-spectrum communication system takes place by determining origination power of a traffic channel based on a number of active demodulators and pilot channel signal quality (610). Once origination transmit power is determined and call origination takes place, the transmit power is reduced at a first rate when a time is less than a time for all active demodulators to be established (615), otherwise the transmit power is reduced at a second rate (621). After all active demodulators have been acquired power control takes place by receiving a Power Measurement Report Message (PMRM) or a Pilot Strength Measurement Message (PSMM), determining, a signal quality metric existing at the remote unit based on the PMRM or PSMM, and adjusting transmit power based on the signal quality metric (645).
摘要:
Power control in a spread-spectrum communication system takes place by determining origination power of a traffic channel based on a number of active demodulators and pilot channel signal quality (610). Once origination transmit power is determined and call origination takes place, the transmit power is reduced at a first rate when a time is less than a time for all active demodulators to be established (615), otherwise the transmit power is reduced at a second rate (621). After all active demodulators have been acquired power control takes place by receiving a Power Measurement Report Message (PMRM) or a Pilot Strength Measurement Message (PSMM), determining, a signal quality metric existing at the remote unit based on the PMRM or PSMM, and adjusting transmit power based on the signal quality metric (645).
摘要:
An AMPS system facilitates reception and processing of a DS CDMA signal transmitted by a mobile station (125). The AMPS system provides an alternate path for the signal to be received by a DS CDMA receiver (506) system. The DS CDMA receiver system generates a signal compatible with the AMPS system, adjusts the generated signal to be proportional to the DS CDMA signal, and inputs the adjusted signal (510) into the AMPS system. The AMPS system then processes the adjusted signal for purposes of handoff of the mobile station (125) from the DS CDMA system to the AMPS system.
摘要:
The method of conveying control and program information between cellular radiotelephone controllers and of detecting information errors is disclosed. When a program memory information error is detected, a predetermined amount of memory information is conveyed from a first controller to a second controller. If a comparison of checksums of a predetermined amount of memory information stored at the second controller and the memory information received from the first controller matches, additional memory information is conveyed. If a match is not found, the predetermined amount of memory information is reconveyed from the first controller to the second controller.
摘要:
A cellular radiotelephone system providing service to remote units having a voice operated transmitter (VOX) is disclosed. If the regularly scheduled periodic signal quality measurements made by fixed site equipment indicate that the remote unit signal has not been received for a predetermined number of measurements, an audit request is transmitted to the remote unit. The remote unit responsively keys its transmitter for a predetermined period of time. A first special scan is programmed into the regular process such that the fixed site equipment may continue with its regular process until the signal quality measurement must be made. A second measurement is made following the first and if the two signal quality measurements made while the VOX remote unit is known to be transmitting agree, system reconfiguration for the service of this remote unit may be implemented by the cellular system.
摘要:
An indication of an occurrence of an event is received. A first ontology (124) is accessed and selected information associated with the occurrence of the event is obtained from the first ontology (124). A second ontology (122) is then accessed and at least one first rule associated with the occurrence of the event is obtained from the second ontology (122) by using at least in part the selected information from the first ontology (124).
摘要:
Handoff from a Code-Division, Multiple Access (CDMA) protocol to an Advanced Mobile Phone Service (AMPS) protocol occurs by comparing a remote unit's (405) phase shift measurement to a threshold (503) and determining a reference CDMA base station (401) from an active set of CDMA base stations (515). Next, corrected phase shifts are calculated for each CDMA base station in the active set (521) and the remote unit (405) is handed off to an AMPS base station (109) underlying the CDMA coverage area (126) having the smallest corrected phase shift (525).
摘要:
A dual-mode mobile station (125) transmits an AMPS signal (Td AMPS) concurrently during transmission of a DS CDMA signal (Td DS CDMA) for purposes of handoff of the mobile station from the DS CDMA system to AMPS. Scanning receivers (221) at surrounding AMPS base-stations (135-138) measure the quality of the AMPS signal (Td AMPS) and determine the best base-station for handoff. To ensure a strong signal during concurrent transmission, other mobile stations not undergoing handoff are instructed to notch their transmissions during transmission by mobile station (125) of the AMPS signal (Td AMPS).
摘要:
Generally stated, a method for performing soft-handoff within a wireless communication system 100 is described herein. The wireless communication system 100 includes, inter alia, a mobile station 104, a first base station 102 in communication with said mobile station via a first communication resource 120, and a second base station 106 with a corresponding second communication resource 130. In a first preferred embodiment, a determination is made that the first communication resource 120 is no longer necessary. The wireless communication system 100 verifies that the second base station 106 has acquired the mobile station 104 via the second communication resource 130. If the second base station 106 has yet to acquire the mobile station 104 on the second communication resource 130, the wireless communication system 100 will override the normal power control mechanisms, increasing the mobile station's 104 transmit power, thereby mitigating the opportunity for an orphan condition to develop.
摘要:
An apparatus and method is provided for adjusting a Quality of Service (QoS) for a communication device in a communication network. One step includes registering an application from a service provider with the communication device and the communication network. Another step includes receiving, by the communication device, a token from a token provider that permits a modified QoS level for the registered application. Another step includes sending the token by the communication device to the communication network. Another step includes negotiating the QoS level between the service provider and the communication device, dependent at least in part on the reception of the token. Another step includes providing, for the communication device, the modified QoS level permitted by the token for the registered application.