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Programming secondary communication groups to devices arranged in a
hierarchy of groups
Primary and/or secondary communication groups can be assigned to users with communication devices arranged in a hierarchy (FIG. 4). A set of humans are assigned...
System and method for MBMS support
A system and method handles a group session of a communication group. The method includes determining server association data and access network association...
Full duplex individual call via linked single frequency repeaters
A method for enabling full duplex individual calls in repeater mode between two subscriber units (SUs) in a N:1 slotting ratio time division multiple access...
Temperature monitoring cable
A portable communication system (100) comprises a portable radio (102) and a radio accessory (106) coupled through an interface cable (108). The interface cable...
Switchable multi-output low-noise amplifier with distortion cancellation
A low-noise amplifier is provided that includes an input amplifier stage coupled to a plurality of independently switchable output amplifier stages. The input...
Power converter apparatus
A power converter having reduced switching transients includes a conversion inductance, a pulse width modulation (PWM) controller, a conversion inductance, and...
Method and apparatus for resolving call collisions in a digital
conventional direct mode
A process for resolving call collisions in a digital conventional direct mode includes monitoring a direct mode communication channel for transmissions from...
Intelligibility of overlapping audio
A method and apparatus are provided by which a radio communication device with multi-watch receivers improves the comprehension of a high-priority message when...
LTE concentrator and distributor system and method for coverage extension
A Long Term Evolution (LTE) Concentrator and Distributor system and method extends geographical coverage while minimizing Evolved Node B (eNB) deployments. The...
Input current limited power supply and audio power amplifier for high
power reproduction of nondeterministic...
A method and apparatus for amplifying audio signals without exceeding an input current limit budgeted for the audio power amplifier circuit includes an...
Method and apparatus for charging batteries having different voltage
ranges with a single conversion charger
Embodiments for a battery charger include a single conversion switched mode power supply having a bias winding on the primary side of the power transformer. The...
Hybrid antenna for portable communication devices
An antenna structure (111) commences at a feed point (202) that is coupled to an inverted F antenna section (204). The inverted F antenna section is coupled to...
A flexible wire radiating element for a body-worn antenna has a length that meets a specified absorption rate (SAR) for a given transmit power, nominal...
Apparatus and method of miniaturizing the size of a printed circuit board
A printed circuit board includes at least one plated-through hole via drilled into at least one of a first layer on a first side of the printed circuit board...
Method and apparatus for determining locations of communication devices in
a simulcast network
Methods and apparatuses are disclosed for identifying locations of communication devices in a simulcast network. A comparator sends a location request to...
High reliability redundant voting system for a signal received by voting
processors in a communication system
Disclosed are methods and systems for providing improved reliability via redundant voting systems. The voting systems are operable to vote on a signal received...
System and method for interrupting a transmitting device in a
A system and method for interrupting a transmitting device during a call. In the system, calls are transmitted from a first device on a communication channel as...
Secure AD HOC communication systems and methods across heterogeneous
A method for rapid peer-to-peer link establishment among a set of mobile devices includes operating a first second device, advertising system attributes in a...
Method and apparatus for managing quality of service settings for group
A centralized quality of service (QoS) entity having a processing device performs a method for managing QoS settings for group communications. The method...
Method and apparatus for processing group event notifications and
providing group policy in a communication system
A group event processing entity receives and processes a group event notification wherein a set of policy rules is determined that controls the performance of...
Channel structure for non-contention based windows and contention based
random access requests
Methods of communicating location information from a subscriber to a repeater are described. The subscriber switches from a working channel to a data revert...
Method and apparatus for queued admissions control in a wireless
A method and services network element are provided that provide for queued admissions control in a wireless communication system by receiving a bearer...
Geo-fence based alerts
Geo-fence based alerts are provided in a wireless communications network. A first subscriber device (SD) in the wireless communications network determines its...
Method and apparatus for filtering devices within a security social
A method and apparatus for choosing mobile telephones within a security social network is provided herein. Choosing mobile telephones may take place on a server...
Method and apparatus to achieve lossless call in view of a temporary
A lossless call may be established over a wireless radio network by determining, at a target subscriber device during a received call, that one or more...
Method and apparatus for locating a person during a man-down situation
A method and apparatus for more-quickly locating an individual during a man-down situation is provided herein. During operation a light source on an officer's...
Palm identification and in-place personalized interactive display
A user is identified and an in-place personalized interactive display provided by detecting, via a first imaging system, one or more unique characteristics of a...
Methods for intelligent network selection
A method for intelligent network selection includes collecting, by a subscriber unit or an infrastructure device network state condition information for a...
Method to provide context-aware linkage between NG9-1-1 SMS and public
A method and computer program for providing a computer aided dispatcher comprising receiving, by a public safety answering point, a plurality of emergency short...
Wireless local communication systems and methods from WAN fallback
A method, a mobile device, and a wireless system provide wireless local communication systems and methods from Wide Area Network (WAN) fallback allowing...
Method and apparatus for uplink power control in a wireless communication
A method, mobile station, and user-based communication system are provided that determine that a mobile station intends to transmit over an uplink, determine...
Communication protocol for secure communications systems
A method and apparatus for transmitting encryption keys in a secure communication system is provided herein. During rekeying of a device, a key encryption key...
Method and apparatus for distributing wireless local area network access
Methods, systems and apparatus are provided for distributing wireless local area network (WLAN) access information to a wireless communication device based on a...
Apparatus and method for dynamic call based user ID
A dynamic call based user ID allows subscriber units to be shared amongst a plurality of users or used for a plurality of roles/uses. A voiced call sign is...
Method and apparatus for reducing carrier leakage
In an embodiment, an apparatus comprises an in-phase-quadrature (IQ) signal amplifier having an IQ baseband input, an IQ mixer input connected to the IQ signal...
Tunable multiband WAN antenna for global applications
An electronic device includes an antenna for a transceiver to operate in a plurality of frequencies. The antenna includes a first portion that is coupled to an...
System and method for short UHF antenna with floating transmission line
A short, efficient antenna utilizing a floating coax transmission line over ground or overlapping wire feed structure for reduced antenna size for use in...
Method and apparatus for adjusting transmission power in a two-way device
based on battery impedance
A method and apparatus for adjusting transmission power in a portable two-way radio device allows the device to determine an expected battery voltage drop for a...
Method and device for automatic creation of a location-based talk group
call with reduced messaging overhead
Disclosed is a method of automatic establishment of a location-based talk group call with reduced messaging overhead. The initiating device may be a subscriber...
Traffic light control using destination information in calendar data of a
Traffic light control using destination information in calendar data of a user device includes storing calendar data including destination information in a...
Wireless remote speaker microphone
Method and apparatus for performing Wi-Fi offload without interrupting
A network node receives a first connection request from user equipment to join a broadband network at a first interface. A mobility manager in the network node...
Character input device and character input program
The object of the present invention is to provide a character input device that facilities the input of an added value in inputting text including numeric...
Rear housing for a communication device
Systems, devices, and methods for improving data capacity in a
communications system by managing short addresses
Systems, devices, and methods of managing short addresses in a wireless communication system include receiving reservation requests on a random access channel...
Method and apparatus for traffic offloading procedure management in a
public safety communication system
A system provides for traffic offloading in a Public Safety communication system. The system includes multiple user equipment (UEs), each a member of a same...