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Audio summing systems and methods in radio communication systems
A method, a device, and a communication system include receiving one or more concurrent transmissions from one or more source devices in the communication...
Method and apparatus for providing emergency information
A method and apparatus for a device to provide emergency information is provided herein. During operation, an emergency responder will send out a wireless...
Method and apparatus for connecting a bluetooth device
A method and apparatus for connecting a Bluetooth device is provided herein. During operation a priority list is used by a Bluetooth piconet master. The...
Loudspeaker audio accessory for a communication device
A loudspeaker audio accessory provides and non-cable interface to a portable radio. The accessory can operate in conjunction with the radio or as a standalone...
Method and apparatus for loading voltage thresholds from a battery for a
A method and apparatus for determining whether to enable a functionality of a battery powered device upon connection to a battery is embodied by providing at...
Method for operating a radio communication device in a multi-watch mode
A method for operating a radio communication device in a multi-watch mode is provided. The radio communication device receives communications on a primary...
Method and system for operating a radio network controller in a wireless
A method and a system for operating a radio network controller (RNC) in a wireless communication system. The RNC generates a group database comprising a...
Methods and systems for providing high-security cryptographic keys to
At least one embodiment takes the form of a process carried out by a key-management infrastructure (KMI). The KMI receives first and second disassembly products...
Method and apparatus for responding to a potential mass random access
A radio controller monitors a radio channel for a first period of time and determines a first indication of signals received without detecting synchronization...
Methods for authentication using near-field
Authentication methods are used to authenticate, a device1 having an ESN1 (electronic serial number), a device2 having an ESN2, and/or a user of the devices. In...
Portable rechargeable battery pack and external adapter for same
Embodiments include a portable rechargeable battery pack, system, and external adapter that allow the portable rechargeable battery pack to both power a host...
Methods and systems for automated activation and configuration of
broadband incident area networks (IANs)
Disclosed herein are methods and systems for automated activation and configuration of broadband LTE IANs. A mobile IAN base station, an activated mode and a...
Method and system for assigning slot reservations to subscriber radios in
a telecommunications system
A method for assigning slot reservations to subscriber radios in a TDMA communications system, where data is arranged into a series of superframes, includes an...
Method and apparatus for informing a radio of a group-call started while
the radio was away from a control channel
A radio affiliates, via a first channel, with at least one talk group the radio is interested in receiving calls from, sends a request to transmit location...
Method and system for managing mass registration scenario in two-way radio
A method and apparatus are described for managing a mass registration scenario in a two-way radio system. A site controller in a trunked radio system detects a...
Method of and system for optimizing an empirical propagation prediction
model in a mobile communications network
A propagation prediction model having adjustable parameters is optimized in a mobile communications network, by subdividing a service area into a plurality of...
Method and apparatus for improving audio reception in a paging device
A method (300) and apparatus (200) are provided for operating a portable pager. The method and apparatus eliminate channel noise between paging tones and voice...
Method and system to increase protection of personnel during K9
Methods and systems to increase protection of personnel during K9 deployments include receiving contextual and situational data from mobile devices associated...
Method and apparatus for wirelessly transacting simultaneous voice and
data on adjacent timeslots
A wireless method, apparatus, and system provide simultaneous transacting of voice and data on adjacent timeslots through a combination of channel access rules...
Modulation of background substitution based on camera attitude and motion
A device and method of background substitution are disclosed. One or more cameras in a mobile device obtain a depth image. A processor in or external to the...
Illuminated rotary control for a communication device
A rotary control (120) is illuminated through a controlled illuminated indicator provided by a light guide arc reflector (114) disposed on a control panel (104)...
Method and apparatus for flexible fast network switching
Disclosed herein are methods and systems for flexible fast network switching. In an embodiment, a wireless-communication device has a first chipset compatible...
Methods for managing resource utilization in a long term evolution
Methods for managing resource utilization in a Long Term Evolution (LTE) communication system are described. In one method, an application server: receives...
Full duplex direct mode individual and group calling using adjacent time
slots in a TDMA system
A method for enabling full duplex direct mode calls between radios in an N:1 slotting ratio TDMA radio system includes detecting a request for a full duplex...
Method and apparatus for automatically determining a communication range
status of communicating radios
A method is disclosed for determining a connectivity status of radios in a coverage group. Each coverage group includes radios configured to transmit and...
Concurrent voice and data service on a same digital radio channel
A method, a subscriber unit, and a system provide concurrent voice and data systems and methods that "steal bits" from voice frames for low-speed concurrent...
Dual-watch collar-wearable communication device
Disclosed herein are embodiments of a dual-watch collar-wearable communication device. One embodiment takes the form of a system that includes left-side and...
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...