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Low-cost two-stage receiver system for DS-CDMA
A method and apparatus for receiving and processing a DS-CDMA signal in accordance with a two-stage process. The first stage comprises signal detection and...
A digital-to-phase or digital-to-time-shift converter (100) includes a delay line (106), a multiplexor (108) and synchronization circuit (110). In the converter...
Dynamic DCCH/FCH switching
In a code division multiple access (CDMA) system a dispatch call is established between two mobile units (10) and (12). The system includes a CDMA 2000 system...
Integrated power supply and air inlet unit
An integrated power supply air inlet unit (124) coupled to slidably insert into a first interspace region (120) of an embedded computer chassis (100), where the...
Method and system for alerting a user of a mobile communication device
The invention concerns a method (200) and control system (100) for alerting a user of a mobile communication device (110). The method includes the steps of...
Method of operating a fuel cell power source
A fuel cell power source (100) for use in electronic systems includes a fuel cell system (130) and a controller (150). The controller (150) computes net power...
Hydrogen generator utilizing ceramic technology
A hydrogen generator including a three-dimensional multilayer ceramic carrier structure defining a fuel reformer. The reformer includes a vaporization zone and a...
Connector cover for communication device
An apparatus for protecting an accessory connector (12) on a communication device (10). The communication device can include an opening (14) for providing access...
Flow control in a packet data communication system
A communication system that includes multiple nodes controls a flow of data from a first node of the multiple nodes to a second node of the multiple nodes...
Method and apparatus for improvement coding of the subframe gain in a
speech coding system
A speech coder that performs analysis-by-synthesis coding of a signal determines gain parameters for each constituent component of multiple constituent...
Method of monitoring a broadcast channel for a page at a mobile
A mobile communication device (102) receives information in a broadcast control channel (108) including a page message (108). The mobile communication device...
Method and apparatus for processing a communication signal based on the
geographical location of a...
An apparatus including a processor 42 coupled to a memory 44 resides in a location call filtering center 36 and cooperates with a gateway mobile location center...
Method for initiating a communication within a communication system
After a base station (101) receives a communication initiation request from a remote unit (113), the base station determines (101) those base stations (101 103)...
Method and apparatus for transmission and reception of narrowband signals
within a wideband communication system
Narrowband remote units will scan over frequencies within a wideband channel spectrum, evaluating frequency-selective channel characteristics. The best...
Method and mobile station for enabling a preferred slot cycle
In accordance with the preferred embodiments of the present invention, a method (400) and a mobile station (160) for enabling a preferred slot cycle are...
Mobile station, radio telecommunication system and methods for operating
radio telecommunications systems
The invention provides methods and apparatus, including mobile stations to enable the mobile station to encode and/or decode messages, for example messages...
Communication headset and method
A communication headset (10) having an ear mount (12), a communication base unit (14), a hinge unit (16) that pivotally connects the communication base unit (14)...
Double talk activity detector and method for an echo canceler circuit
A double talk activity detector (30) and method for an echo canceler circuit (10) improves the probability of detecting a double talk condition based on at least...
Soft handoff between cellular systems employing different encoding rates
A receiver (200) is provided receiving signals from differing base stations (BTS.sub.A and BTS.sub.B). The signal from BTS.sub.A is encoded using a first rate...
Method and apparatus for an enhanced OFDM system
A method and apparatus for communicating in an OFDM system whereby data subcarriers associated with a first antenna of at least two transmit antennas are...
Wafer-level sealed microdevice having trench isolation and methods for
making the same
A microdevice (20) having a hermetically sealed cavity (22) to house a microstructure (26). The microdevice (20) comprises a substrate (30), a cap (40), an...
Functional application of photochromic compound materials to products
A device (50) capable of selectively altering its appearance can include a housing portion (64) of the device having at least one photochromic compound and an...
Wireless communication interface module
Communication device for identifying, storing, managing and updating
application and data information with...
A communication device (100) includes a communications manager (140) coupled to a contacts memory (155). The contacts memory (155) stores information associated...
Packet data serving node initiated updates for a mobile communications
A packet data serving node (106) initiates a packet data session update procedure with the RAN by passing a session update message containing packet data session...
Variable expiration parameter of a wireless communication device based
upon signal strength
A method (300) and an apparatus (800) for determining duration of authorized usage time period are disclosed. A wireless mobile communication device (112)...
Method and apparatus to reduce interference in a communication device
An apparatus and method to reduce interference in a communication device particularly effective for second-order interference in direct conversion receiver from...
Mobile satellite communication system utilizing polarization diversity
The present invention utilizes a dual polarization reception system (200) that utilizes the energy available in orthogonal polarizations to effectively increase...
Packet order determining method and apparatus
A transmitter adds packet transmission order information to transmitted packets using a forward error device (416) and a masking device (420). The masking device...
Method for routing data in a communication system
The present invention provides a method for routing data from a service request in a communication system. A context is transferred from a packet data gateway,...
Low stress semiconductor die attach
A semiconductor device (121) is provided which comprises a substrate and a die (123) having a first surface which is attached to the substrate by way of a die...
Method and apparatus for switching on a VXS payload module
A multi-service platform system (200) having a VXS backplane (204) includes a VXS payload module (202) coupled to the VXS backplane, a first switched fabric...
Method and apparatus for automatically initiating a communication from a
wireless communication device
A wireless communication device (100) employs a method and apparatus for automatically initiating a communication with a target device. The communication device...
Method for maintaining automatic gain control settings for a
multi-frequency communication device
In time divisioned, multi-frequency communication air interfaces it is common for a control channel to be defined on a first frequency while traffic channels are...
Polymer thick film resistor, layout cell, and method
A printed circuit polymer thick film (PTF) resistor includes tolerance control material that substantially surrounds the resistor body and significantly improves...
Method for cleaning nanomorphic carbon species
An exemplary method for substantially non-chemically-reactive separation of nanomorphic carbon species (140) comprises inter alia the steps of suspending a...
Earphone pod and similar articles
Housing for a communication device or similar article
Threshold-based service notification system and method
A notification server (100) is coupled to a database (102). The database (102) includes information relating to a user service and a threshold for notifying the...
Wireless communication device and network controller for affiliation with
associated groups and method thereof
A wireless communication device facilitated by a network controller and corresponding methods select a list of requested groups for affiliation from a list of...
Method for improving the reliability of low latency handoffs
A first device (104) receives a first message from a second device (100). Upon receipt of the first message, the first device transmits a registration request to...
Antenna phase modulator
A phase modulator comprised of a plurality of circuit paths operates to receive a data signal and a radio frequency carrier signal and to couple the radio...