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Match Document Document Title
9042274 Serial peripheral interface having a reduced number of connecting lines  
An electronic communication system including at least one first communication unit and one second communication unit which are connected to one another by means of at least one first data line....
8958378 Multicarrier based communication method and device  
Provided are a multicarrier based communication method and device. A mobile station activates a first carrier, and activates a second carrier adjacent to the first carrier. Defined within the...
8942275 Controlling uplink multi-antenna transmissions in a telecommunication system  
The disclosure relates to controlling uplink transmissions according to closed loop techniques such as closed loop uplink transmit diversity and uplink multiple-input multiple-output (MIMO). An...
8934383 Internet SIP registration/proxy service for audio conferencing  
To enable internet softphone users to join to calls hosted at an audio conferencing bridge, a SIP Invite may be received at a bridge interface layer of an audio conferencing system. Parameters of...
8913582 Systems and methods for selecting a modulation and coding scheme for wireless communication between wireless devices in a wireless network  
A first wireless device including a receiver and a transmitter. The receiver includes a channel estimation module configured to receive, from a second wireless device over a communication channel,...
8830813 Scalable space-frequency coding for MIMO systems  
Systems, devices, and techniques for MIMO (Multiple-In-Multiple-Out) based space-frequency coding can include, in at least some implementations, techniques that include selecting a spatial...
8792446 Communication method of coordinated multi-point transmission systems  
A communication method of coordinated multi-point transmission systems. Based on the Zadoff-Chu sequences, multiple training sequences are implemented, and the training sequences are a set of...
8767592 Systems and methods for conferencing enterprise and non-enterprise callers  
The illustrative embodiments described herein provide improved systems and methods for conferencing enterprise and non-enterprise callers. In one embodiment, a method includes receiving a first...
8670354 Sharing ongoing data session  
The present invention discloses a solution for performing a sharing an ongoing data session between a first user and a group of at least one additional user in a telecommunication system. The...
8644262 Method and apparatus for estimating a channel quality indicator (CQI) for multiple input multiple output (MIMO) systems  
Systems and methods are provided for determining a channel quality indicator (CQI) in a transmission system associated with a diversity transmission scheme. A plurality of independent diversity...
8611288 Systems and methods for link adaptation in wireless communication systems  
A method includes determining parameters corresponding to a communication channel, transmitting the parameters from a first wireless device to a second wireless device via the communication...
8583268 Synchronization and mixing of audio and video streams in network-based video conferencing call systems  
In one aspect, audio streams are added to a mix until the mix is either complete (i.e., all audio streams have been added) or the mix is closed early (i.e., before the mix is complete). In another...
8554281 Handheld electronic device including automatic selection of input language, and associated method  
A method of automatically establishing an input language for a handheld electronic device includes receiving a request to initiate the composition of a new message, receiving a selection of a...
8520642 Wireless communication system, and apparatus and method for wireless communication  
An embodiment of the invention provides a wireless communication system for carrying out a spatial multiplexing communication between a transmitter, and a receiver, the system including: a channel...
8514815 Training signals for selecting antennas and beams in MIMO wireless LANs  
A computer implemented method selects antennas in a multiple-input, multiple-output wireless local area network that includes multiple stations, and each station includes a set of antennas....
8416715 Interest determination for auditory enhancement  
Gaze tracking or other interest indications are used during a video conference to determine one or more audio sources that are of interest to one or more participants to the video conference, such...
8406200 Resource allocation for MIMO-OFDM communication systems  
Techniques to schedule terminals for data transmission on the downlink and/or uplink in a MIMO-OFDM system based on the spatial and/or frequency “signatures” of the terminals. A scheduler forms...
8385295 Radio transmission control method, radio receiver apparatus, and radio transmitter apparatus  
Conventionally, if the number of transmission antennas is greater than that of reception antennas, different signals simultaneously transmitted from the transmission antennas cannot be separated...
8358600 Method of transmitting data in a communication system  
A method of transmitting a combined audio signal to at least one of a plurality of participants in a communication event comprising; receiving an audio signal from each of said plurality of...
8351353 Forward channel sharing method in time division communication system  
A method for realizing forward channel sharing in time division communication system, which completes group configuration at the cluster control service center server and modifies the attributes...
8243749 Wireless communication system, associated methods and data structures  
A wireless communication device, and a wireless communication system and a method of beamforming is presented. The wireless communication system and/or device includes a beamformee unit, a...
8199708 Allocation of uplink reference signals in a mobile communication system  
A mobile communication system network node (NN) that serves user equipments (UEs) has fewer orthogonal reference signals (RSs) than a maximum number of UE antenna ports (APs) that can be served by...
8169937 Managing a packet switched conference call  
The invention relates to a method for managing a packet switched, centralized conference call between a plurality of terminals 13. In order to enable an enhancement of the user comfort, it is...
8125963 Radio transmission control method, radio receiver apparatus, and radio transmitter apparatus  
A radio communication method and apparatus generate a plurality of information signals and transmit the signals to a communication partner from a plurality of antennas. A plurality of combination...
8117260 Method and apparatus for listening for incoming calls on multiple port/socket combinations  
In a computer system having a memory, a processor, and a network interface, a method for listening on multiple conferencing interfaces having the steps of loading a set of transport components...
8116236 Audio conferencing utilizing packets with unencrypted power level information  
In one embodiment, a method that includes receiving a plurality of packet streams input from different endpoints, packets of each stream including encrypted and unencrypted portions, the...
8094625 Resource allocation for MIMO-OFDM communication systems  
Techniques to schedule terminals for data transmission on the downlink and/or uplink in a MIMO-OFDM system based on the spatial and/or frequency “signatures” of the terminals. A scheduler forms...
8040825 Multiparty calling method and corresponding mobile communication terminal  
A multiparty calling method, which includes initiating a multiparty call between at least a first, second and third terminal, and setting a flag in the first terminal to inform a processor of the...
7961657 Method and apparatus for transmitting and receiving a packet via high speed downlink packet access  
A method and apparatus for transmitting and receiving a packet via high speed downlink packet access (HSDPA) are disclosed. At least one HSDPA medium access control (MAC-hs) service data unit...
7944861 System and process for mass telephony conference call  
A method of providing conference call connections includes initiating a conference call between multiple conferees using a conferencing controller, placing each of the multiple conferees in a...
7940746 Method and system for locating a voice over internet protocol (VoIP) device connected to a network  
A method and system for locating a device connected to a network by determining a current network address for the device and comparing the current network address to a network address in a user...
7936705 Multiplexing VoIP streams for conferencing and selective playback of audio streams  
The present invention provides methods, devices, and systems that provide the ability to playback multiple VoIP audio streams simultaneously with a single RTP session and further provides the...
7864717 Modem for communicating data over a voice channel of a communications system  
A modem used for communicating data. The modem may include a packet generator and modulator. The modulator may include an electronic device configured to select at least one frequency from at...
7813313 MIMO communication system based on random beamforming and its user scheduling method  
Embodiments of the present invention provides a MIMO communication system based on random beamforming and its user scheduling method. The system includes: a transmitter that is used to transmit...
7768999 Method and system for interworking half duplex and full duplex conferencing  
A method and system is disclosed for interworking between half-duplex and full-duplex conferencing. A half-duplex (HD) conference will be conducted through one conference server and will involve...
7688961 Efficient multiplex conferencing engine  
A conference engine operates in a multiplex processing scheme and requires a signal hardware summer to process all of the programmed conferences, all of the outputs and all of the input channels....
7619994 Adapter for use with a tandem-free conference bridge  
A conference bridge adapter for processing data carried on a media path between, on the one hand, a conference bridge operative to communicate composite packets carrying media information and...
7599357 Method and apparatus for detecting and correcting electrical interference in a conference call  
The present invention enables a network to detect electrical interference caused by cellular phones and correct the problem by playing a network announcement to the network operator if the...
7573868 Audio/video synchronization using audio hashing  
Audio and video frames are synchronized by hashing an audio frame at a sender and combining the resultant hash value with the video frame. The audio frame is transmitted over an audio network,...
7492731 Method for dynamically optimizing bandwidth allocation in variable bitrate (multi-rate) conferences  
Method for dynamically optimizing bandwidth allocation in a variable bitrate conference environment. Conference means with two or more outputs are provided, where each one can output data at...
7483400 Managing a packet switched conference call  
The invention relates to a method for managing a packet switched, centralized conference call between a plurality of terminals 13. In order to enable an enhancement of the user comfort, it is...
7460656 Distributed processing in conference call systems  
Conference calls are handled using distributed processing. In one embodiment, the invention includes receiving sets of telephone audio signals from conference subnodes, the telephone audio signals...
7460495 Serverless peer-to-peer multi-party real-time audio communication system and method  
A serverless peer-to-peer (P2P) multi-party real-time audio communication system and method in which each of the peers takes a turn mixing and compressing the audio and redelivering the compressed...
7428223 Method for background noise reduction and performance improvement in voice conferencing over packetized networks  
The present invention is directed to a system and method for background noise reduction and performance improvement in conferencing. A method for providing a conferencing session may include...
7420935 Teleconferencing arrangement  
A method and an apparatus for controlling a conference call is a system which comprises a conference bridge for combining several audio signals arriving from terminals and for transmitting the...
7415499 Method and apparatus for listening for incoming calls on multiple port/socket combinations  
In one embodiment, the invention provides a method comprising loading a set of transport components into a memory; initializing each transport component of the set of transport components to...
7385940 System and method for using a plurality of processors to support a media conference  
A system for using a plurality of processors to support a media conference includes a mixing processor and a first media transformation processor coupled to the mixing processor. The mixing...
7342875 Space-time coded OFDM system for MMDS applications  
A communications system includes a base station that is configured to transmit a signal that is modulated according to a predetermined modulation scheme and an orthogonal frequency division...
7184791 Methods, receivers, and computer program products for determining transmission power control commands using biased interpretation  
Methods, receivers, and computer program products for defining asymmetric decision regions of a symbol space to interpret transmitted power control commands are disclosed. A method of determining...
7085364 Advanced conference drop  
A network telephone system is provided with a distributed network, a network call processor, with the call processor connected to the network. A telephone line network interface is connected to a...

Matches 1 - 50 out of 105 1 2 3 >