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Method and apparatus for authenticating a digital certificate status and
A radio is authenticated at the site and unique authentication information for the radio is stored at the site. A subsequent non-authentication message from the...
Methods and apparatus for mitigating interference between co-located
Methods and apparatus are provided for mitigating interference between spectrally distinct wireless communication networks employing co-located, collaborating...
Method and apparatus for providing acknowledgement information to radio
communication devices in a wireless...
A method and apparatus for providing acknowledgment information for radio communication devices in a wireless communication system. A base station receives a...
Base for a communication device
Method and apparatus for extending coverage in a wireless communication
A first radio receives, via a land mobile radio (LMR) radio frequency transceiver, a first transmission of an LMR call from a source transmitting radio...
Method and apparatus to facilitate using a federation-based benefit to
facilitate communications mobility
While facilitating (101) a call session for a participating entity having at least one federation-based benefit, one then uses (102) that at least one...
Real time traffic adaptive data channel bandwidth control among agency
A scheduling component associated with a data channel configures initial reserved bandwidth allocations for each agency permitted access to a shared data...
Method and apparatus for transmitting a user datagram protocol message
that is larger than a defined size
A first device initiates a handshake message exchange with a second device according to a security protocol. The first device determines that an application...
A rotary control (100, 500, 700) provides improved running-torque through a running-torque stack up assembly (140). The running-torque stack up assembly (140)...
Housing for a portable radio
Method and apparatus for scheduling various types of peer-to-peer
A base station allocates resources for peer-to-peer communications by creating or updating peer sets from measured performance information received from one or...
Method and apparatus for operating a camera
A method and apparatus for operating a camera are provided herein. During operation of the camera, a first field of view (FOV) for the camera will be determined...
Method and apparatus for reducing FM audio artifacts in a receiver
An apparatus and method for reducing FM audio artifacts in a receiver are provided. A direct conversion radio frequency (RF) receiver converts an analog FM...
Remote speaker microphone
Prioritized token based arbiter and method
An apparatus and method for employing a token based arbiter. The apparatus includes a priority provider (26) comprising a processor for calculating an arbiter...
Trunked and broadband radio communication method and system
A data communication system and a method of data communication. The method comprises receiving data associated with a plurality of users, wherein a first set of...
Method and apparatus for using erasure to improve signal decoding during
an interference event
A method and apparatus for using erasure to improve signal decoding when data is impacted by an interference event. Embodiments may include receiving in an RF...
Portable radio having accessory interface
An improved user interface is provided by a portable radio (100) having a housing (102) having a through-hole (110) formed therethough. The through-hole...
Apparatus and method for detecting radio accessories
An apparatus and method are provided for detecting radio accessories within a communication system formed of a radio, a primary accessory and a secondary...
Very low intermediate frequency (VLIF) receiver and method of controlling
a VLIF receiver
A very-low intermediate frequency (VLIF) receiver and a method of controlling a VLIF receiver. The method comprises receiving a first signal, the first signal...
Method and apparatus for mitigating interference between devices of
different wireless wide area networks
A portable communication device operating of a first WWAN can receive an identifier from a WLAN access point indicating that one or more devices operating on a...
Method and apparatus for confirming delivery of group data to radio
communication devices in a wireless...
A method and apparatus for confirming delivery of group data to a plurality of radio communication devices in a wireless communication system. The wireless...
Methods for assigning a plethora of group communications among a limited
number of pre-established MBMS bearers...
An infrastructure device in a 3GPP compliant system performs a method to allocate MBMS bearers. The 3GPP compliant system includes a RAN partitioned into a...
Method and apparatus for multimedia broadcast multicast service
A method and apparatus for assigning Multimedia Broadcast Multicast Service (E-MBMS) bearers in at least two Multimedia Broadcast Single Frequency Network...
Uninterrupted bezel antenna
A bezel forms a continuous, uninterrupted outer perimeter around the outside of a handheld radio device. The bezel is made of an electrically conductive...
Apparatus for minimizing self-discharge of a smart battery pack
An apparatus for minimizing self-discharge of a smart battery pack is provided. During initial storage of the smart battery pack (100), prior to be being...
Method and apparatus for maintaining priority and quality of service
across multi-user devices
A first mobile station operating on a first network according to a first network protocol receives a proxy request for access to a network resource, by from a...
Systems, methods, and devices for frequency-selective AGC
A wideband phase detector configured to receive an intermediate frequency (IF) signal having a plurality of information signals at predetermined carrier...
Method and apparatus for propagating public safety multicast and broadcast
services among public safety personnel
Public safety user equipment (PS UE) that establishes a first wireless communication channel over a primary network to at least one multimedia multicast or...
Method and apparatus for single port modulation using a fractional-N
A method and apparatus for single port modulation of a phase locked loop frequency modulator includes a phase locked loop with a voltage controlled oscillator...
Method and apparatus for providing session initiator privilege, priority
and presence notification for...
A method for providing presence notification for PTT chat group communications includes a server receiving, from a communication device of a member of a chat...
Method and apparatus for in-channel interference cancellation
A communication device includes a receiver that is capable of canceling in-channel interference. The receiver includes an antenna for receiving a wireless...
Method of providing a mixed group communication session
A method of providing a mixed group communication session for a mixed group containing protected users and a guest user is provided. The method uses a secure...
Electro-optical code reading terminal for switching from a printed code
reading mode to an electronically...
An electro-optical code reading terminal for dynamically switching mode of operation from a printed code reading mode to an electronically displayed code...
Control head for a mobile radio
Incident aware service operations for wireless infrastructure
In a two-way radio frequency (RF) communications system having a plurality of subscriber units (SUs) and a supporting infrastructure including a wireless core...
Method and apparatus for managing resources in a wireless communication
system implementing multiple air...
A wireless communication system is provided that comprises a base station (BS) serving a subscriber unit (SU) in a Public Safety Narrowband (PSNB) network, an...
Communication system and method for securely communicating a message
between correspondents through an...
A wireless communication system includes a pager or similar device that communicates to a home terminal. The home terminal confirms the identity of the pager...
Method and apparatus for extracting the quadrature component of a complex
signal from the in-phase component...
A method and apparatus for a receiver system in a receiver that includes at least two front end branches, each branch having its own intermediate frequency (IF)...
Scalable broadband group call via unicast downlink traffic consolidation
and local re-broadcast
A method, system, and device consolidate unicast downlinks in a broadband radio access network (RAN) for a requested group call. A subset of subscriber devices...
Earpiece audio device
Method and apparatus for updating and using updated group aliases and
An updated group alias, based on one or more of a location, function, and purpose of a group, is transmitted to a subscriber unit (SU) and displayed at the SU,...
Radio frequency transistor and matching circuit grounding and thermal
In a communication device, a heat sink includes a solderable top surface with multiple upward facing swaging protrusions. A spacer is placed on top of the top...
Mitigating transmission interference between digital radio and broadband
A broadband device (105) can detect a proximate narrowband transmission (152) from a narrowband communication device (145). The narrowband transmission (152)...
Adaptive off-channel detector for receivers
Receivers (500) and methods of adaptively adjusting the receivers based on a received interferer are described. The peak-to-average ratio of a received signal...
Method and apparatus for confirming delivery in a multi-channel receiving
An apparatus for simultaneously receiving incoming messages on at least two channels in a multi-channel device, wherein a first incoming message is received on...