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Nortel Networks Limited
Nortel Networks Limited_20100107
Nortel Networks Limited_20100114
Nortel Networks Limited_20100121
Nortel Networks Limited_20100128

Nortel Networks Limited patents

Recent patent applications related to Nortel Networks Limited. Nortel Networks Limited is listed as an Agent/Assignee. Note: Nortel Networks Limited may have other listings under different names/spellings. We're not affiliated with Nortel Networks Limited, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nortel Networks Limited-related inventors

Date Nortel Networks Limited patents (updated weekly) - BOOKMARK this page
09/06/12Push-to-talk optimization
09/06/12Method for providing media communication across firewalls
08/16/12Wimax r6 management protocol
08/16/12Negotiating different mobile ip delivery styles
08/09/12System and protocols for inter-mobility access gateway tunneling for fast handoff transition
08/02/12Mobile ip over vpn communication protocol
08/02/12Joint uplink data processing by plural base stations
07/19/12Optimizing a serving gateway location in a home evolved node b with local ip access
07/12/12Method for defending against denial-of-service attack on the ipv6 neighbor cache
06/28/12Relay techniques suitable for user equipment in downlink
06/28/12Receiving information relation radio access technology capabilities of a mobile station
06/14/12Data over signaling (dos) optimization over wireless access networks
06/14/12Securing home agent to mobile node communication with ha-mn key
06/07/12Dual mode base station
05/24/12Session suspend and resume using a transient binding option messaging
05/10/12Selecting from among plural channel estimation techniques
05/03/12Receiving a message identifying neighbor cells
04/12/12Method and architecture for a scalable application and security switch using multi-level load balancing
04/12/12Methods and systems for ofdm using code division multiplexing
04/05/12Multiple redundant gnss synchronization system
03/29/12Method and providing availability metrics for measurement and managment of ethernet services
03/29/12Adaptive time diversity and spatial diversity for ofdm
03/15/12Method and adaptive channel utilisation
03/15/12Providing an indicator of presence of a first access network that is capable of interworking with a second access network
03/15/12Uplink power control with interference-over-thermal (iot) load control
03/15/12Hitless manual cryptographic key refresh in secure packet networks
03/08/12Increasing time interval between successive searches for signaling of neighboring cells of a different wireless technology
03/08/12System and restricting mobility in wireless networks
03/08/12Generation and application of a sub-codebook of an error control coding codebook
03/01/12Metro ethernet service enhancements
02/23/12Using a variable timer for sending an error indication
02/16/12Method and system for providing an uplink structure and improved channelization scheme in a wireless communication network
02/02/12System access and synchronization methods for mimo ofdm communications systems and physical layer packet and preamble design
02/02/12Bandwidth efficient obscuring the existence of encryption in a communications channel
01/26/12Multi-antenna scheduling system and method
01/26/12Multi-user mimo systems and methods
01/12/12Border gateway protocol extended community attribute for layer-2 and layer-3 virtual private networks
01/12/12Mechanism to divert an ip flow over a non-ip transport
01/05/12Clientless mobile subscribers with seamless roaming over scalable wide area wireless networks
12/29/11Antenna diversity
12/29/11Extended private lan
12/29/11Multicast-enabled address resolution protocol (me-arp)
12/29/11Method, apparatus, processor-readable media and signals for acquiring and presenting acquired multimedia content
12/22/11Telecommunications network
12/15/11Enabling downlink transparent relay in a wireless communications network
12/15/11Structured low-density parity-check (ldpc) code
12/08/11Device and cascading filters of different materials
12/08/11Label switched path oam wrapper
12/08/11Efficient location updates, paging and short bursts
12/01/11Provider link state bridging (plsb) computation method
12/01/11Method and system for reduced complexity channel estimation and interference cancellation for v-mimo demodulation
11/24/11Method and system for user equipment location determination on a wireless transmission system
11/24/11Reduced complexity channel estimation for uplink receiver
11/17/11Error handling for named signal events in wireless communications
11/17/11Management of queues in contact centres
11/10/11Distributed failure recovery in a routed etherent network
11/10/11Transitioning of a packet-switched emergency call between first and second types of wireless access networks
11/10/11Content differentiated hierarchical modulation used in radio frequency communications
11/10/11Providing a downlink control structure in a first carrier to indicate control information in a second, different carrier
11/10/11Method for securing a transmission, associated system and mediation platform
11/03/11Apparatus and packet-based media communications
11/03/11Providing packet-based multimedia services via a circuit breaker
10/27/11Dual voltage hot swap module power control
10/27/11Geographic redundancy for call servers in a cellular system based on a bearer-independent core network
10/27/11Method and system for providing an uplink structure and minimizing pilot signal overhead in a wireless communication network
Patent Packs
10/27/11Method and controlling calling-party identification
10/20/11Automatic mep provisioning in a link state controlled ethernet network
10/20/11Virtual routers for gmpls networks
10/20/11Method and system for weighted fair queuing
10/13/11Band reject filters
10/06/11Multi-staged services policing
10/06/11Method and system for a wireless multi-hop relay network
10/06/11Method and system for a wireless multi-hop relay network
10/06/11Multi-mode endpoint in a communication network system and methods thereof
10/06/11Techniques for time transfer via signal encoding
10/06/11Multiple redundant gnss synchronization system
10/06/11Method for monitoring radio equipment for communication between a mobile terminal and a cellular infrastructure with spread spectrum and arrangement for performing said method
10/06/11Method of estimating the symbols of a digital signal and receiver for implementing said method
10/06/11Method and system for soft handoff in mobile broadband systems
10/06/11Method and enabling commuter groups
Patent Packs
09/29/11Source selection for conference bridges
09/29/11Self-matched band reject filter
09/29/11System and spatial multiplexing-based multiple antenna broadcast/multicast transmission
09/29/11Method and system for soft handoff in mobile broadband systems
09/29/11Antenna systems with common overhead for cdma base stations
09/29/11Method and system for soft handoff in mobile broadband systems
09/29/11System and translating application program network service requests into actions and performing those actions through the management and/or control plane responsive to previously defined policies and previous requests by the same or another application program
09/22/11Frequency agile filter using a digital filter and bandstop filtering
09/22/11Frequency agile filter using a digital filter and bandstop filtering
09/22/11Wireless mesh network transit link topology optimization method and system
09/22/11Method and system for multimedia message delivery in a communication system
09/15/11Method and providing a video representation of a three dimensional computer-generated virtual environment
09/15/11Preambles in ofdma system
09/15/11Method and reducing the contribution of noise to digitally sampled signals
09/15/11Self test of a dual polarization transmitter
09/15/11Method to transform a dynamic analog optical network to a digital representation
09/15/11Method and system for configuring a connection-oriented packet network over a wavelength division multiplexed optical network
09/15/11Handover for cellular radio systems
09/15/11Antennae system
09/15/11Scheduling transmission of data at a base station based on an interference indicator message from another base station
09/08/11Relaying system and method with partner relays and selective transmission
09/08/11Multi-protocol support over ethernet packet-switched networks
09/08/11Ofdm system and method employing ofdm symbols with known or information-containing prefixes
09/08/11Scattered pilot pattern and channel estimation mimo-ofdm systems
09/08/11Transmission method and related base station
09/08/11Fast virtual concatenation setup
09/01/11Methods and systems for scheduling in a virtual mimo communication environment
09/01/11Power management and distributed scheduling for uplink transmissions in wireless systems
09/01/11Integrated home service network
08/25/11Active set management enhancement for reliable soft handoff in 1xev-do system
Social Network Patent Pack
08/25/11Providing acknowledgement information by a wireless device
08/25/11Personal status communications manager
08/18/11Processing information blocks for wireless transmission
08/18/11Method and system for allocating media access control layer resources in a wireless communication environment
08/18/11Wireless communication clustering coordinated multi-point transmission and reception
08/18/11System and peer-to-peer communication in cellular systems
08/04/11Cross-connect using ethernet multiplexors for a simple metro ethernet network
08/04/11Reducing optical service channel interference in phase modulated wavelength division multiplexed (wdm) communication systems
08/04/11Method for rapid determination of lowest cost wavelength routes through a photonic network based on pre-validated paths
08/04/11Generic information element
Patent Packs
08/04/11Diameter signaling for mobile ipv4
07/28/11Method and increasing the scalability of the ethernet oam
07/28/11Methods and systems for a wireless routing architecture and protocol
07/21/11Random access channel protocol
07/21/11Method and adjusting a symbol decision threshold at a receiver in a communication network
07/14/11System and built in self test for timing module holdover
07/07/11Ethernet oam performance management
07/07/11Automated attendant multimedia session
07/07/11Break before make forwarding information base (fib) population for multicast
06/30/11Method and system using relays with aggregated spectrum
06/30/11Network-aware adapter for applications
06/23/11System and spatial multiplexing-based ofdm broadcast/multicast transmission
06/23/11Method and system for timestamp inclusion in virtual local area network tag
06/23/11Zero mean carrier recovery
06/23/11Methods and systems for managing customer contacts in a contact center
06/16/11Integrated transmit and receive modules for a coherent optical transmission system
06/16/11Associative search engine
06/09/11Methods of radio communication involving multiple radio channels, and radio signal repeater and mobile station apparatuses implementing same
06/02/11Optimizing downlink communications between a base station and a remote terminal by power sharing
06/02/11Emergency services for packet networks
06/02/11Methods of power sharing for dl control transmission
05/26/11Codebook restructure, differential encoding/decoding and scheduling
05/26/11System and secure wireless multi-hop network formation
05/19/11Ofdm system and method employing ofdm symbols with known or information-containing prefixes
05/19/11Tracking injection seeding power based on back facet monitoring (bfm) of an injection seeded laser
05/12/11Automatic remote communication using network telephony
05/05/11Soft decoding of data in a coherent optical receiver
05/05/11Low density parity check (ldpc) code
04/28/11Method of providing bearer specific information for wireless networks
04/28/11Soft handoff for ofdm
Patent Packs
04/21/11Dual voltage hot swap module power control
04/21/11Method and system for transmission of fragmented packets on a packet-based communication network
04/21/11Controlling allocation of a portion of a shared channel to use for control information
04/14/11Method and providing a web page to a call member
04/07/11Method and providing bypass connectivity between routers
04/07/11System and supporting multi-user antenna beamforming in a cellular network
03/31/11Systems and methods for sc-fdma transmission diversity
03/31/11Method and system for replaying a portion of a multi-party audio interaction
03/24/11Estimating user device location in a wireless network
03/24/11Method and system for controlling audio in a collaboration environment
03/24/11Context transfer systems and methods in support of mobility
03/17/11Method and system for maintaining multiple pdn network connection during inter-technology handover in idle mode
03/17/11Color free wdm pon based on broadband optical transmitters
03/17/11System and supporting antenna beamforming in a cellular network
03/10/11Forwarding plane data communications channel for ethernet transport networks
03/10/11Method and system for aurally positioning voice signals in a contact center environment
03/03/11Ethernet differentiated services architecture
03/03/11Distributed authentication, authorization and accounting
02/24/11Distributed arq for wireless communication system
02/24/11Support for continuity of single radio voice call communications in a transition to a circuit switched communications network
Social Network Patent Pack
02/24/11Injection seeded laser ratio loop control
02/24/11Adaptive time diversity and spatial diversity for ofdm
02/17/11System and wireless relay frame structure, protocol, and operation
02/17/11Ubiquitous access to femto-connected network
02/17/11Performance for a multiple antenna beamforming cellular network
02/17/11Method and system for identification of packet gateways supporting different service types
02/17/11Methods and systems for harq protocols
02/10/11Apparatus, system, and a remote radio module with relay capability
02/10/11Multicast implementation in a link state protocol controlled ethernet network
02/10/11Multi-rate transparent mux for optical communications networks
02/10/11Method and reducing probability of detection, improving jamming resistance and security for broadband wireless systems
02/10/11Method and candidate list generation for uplink v-mimo
01/27/11Method and estimating location of a wireless station using multi-beam transmission
01/27/11Multimedia broadcast multicast service (mbms) utilizing spatial multiplexing
01/27/11Method and spectrally efficient link adaptation using harq in ofdma systems
01/20/11Method and system for diversity using orthogonal frequency/division multiplexing
01/20/11Management of call handling treatments
01/20/11Device programmable network based packet filter
01/13/11Support for multi-homing protocols using transient registration and expanded binding revocation messages
01/13/11Method and system for reduced system-time overhead parameter length representation for inter-radio access technology communication
Social Network Patent Pack
01/13/11Contact center interfaces
01/06/11System and built in self test for timing module holdover
01/06/11Intelligent tagging for multimedia call recording purposes using continuous metadata
01/06/11Method and dynamically determining mix sets in an audio processor
01/06/11Method for controlling interference in femto cell deployments
12/30/10Multi-beam cellular communication system
12/30/10Method and enabling multicast route leaking between vrfs in different vpns
12/30/10Method and implementing l2 vpns on an ip network
12/30/10Method and independent licensing of audio in distribution of audiovisual assets
12/30/10Mobile fast alerting
12/30/10Analysis of packet-based video content
12/23/10System and selecting optimum local oscillator discipline source
12/23/10System and reducing holdover duration
12/23/10Utilizing betweenness to determine forwarding state in a routed network
12/23/10Method and simulating ip multinetting
12/16/10Method for assuring counterbore depth of vias on printed circuit boards and printed circuit boards made accordingly
12/16/10Techniques for routing data between network areas
12/16/10Technique for accommodating electronic components on a multilayer signal routing device
12/16/10Techniques for controlling a light source in a wavelength division multiplexed passive optical network
12/16/10Using reachability information to facilitate peer-to-peer communications
12/09/10Band reject filters
12/09/10Wireless communication
12/09/10Signal transmitter linearization
12/09/10Rf fingerprinting for location estimation
12/09/10Downlink and uplink array and beamforming arrangement for wireless communication networks
12/02/10System and method performing quadrature amplitude modulation by combining co-sets and strongly coded co-set identifiers
12/02/10Method and providing a web page to a call member
11/25/10Automated session admission
11/18/10Tunneling support for mobile ip using a key for flow identification
11/18/10Secure group communications
Social Network Patent Pack
11/11/10Dual homed e-spring protection for network domain interworking
11/11/10Method and channel quality measurements
11/11/10Optical routing device and optical network using same
11/11/10Pre-distortion for a radio frequency power amplifier
11/04/10Wireless communication frame structure and apparatus
11/04/10Channel estimation inter-carrier interference-limited wireless communication network
11/04/10Method and sub-carrier frequency control
10/28/10Scattered pilot pattern and channel estimation mimo-ofdm systems
10/28/10Pre-computing alternate forwarding state in a routed ethernet mesh network
10/28/10Method and processing multiple common frequency signals through a single cable using circulators
10/28/10Virtual links in a routed ethernet mesh network
10/28/10Method and accommodating duplicate mac addresses
10/21/10Device and cascading filters of different materials
10/21/10Transport for wireless radio access networks
10/14/10Optimized scheduling delay-sensitive traffic on high speed shared packet data channels
10/14/10Enhanced communication bridge
10/14/10Methods and systems for channelization
10/14/10Providing packet-based multimedia services via a circuit bearer
10/14/10Enabling an ethernet ring network to scalably support a hub-and-spoke connectivity model
10/14/10In-band signaling for point-multipoint packet protection switching
10/07/10Monitoring edc polarization inverse filter coefficients to identify real-time physical intrusion into a core or metro optical network
10/07/10Clock recovery with channel coefficients
09/30/10Amplifier pre-distortion systems and methods
09/30/10Voice optimization in a network having voice over internet protocol communication devices
09/30/10Method and system for quality of service support for ethernet multiservice interworking over multiprotocol label switching
09/30/10Mobile relay communication system
09/30/10Push-to-talk telecommunications system utilizing a voice-over-ip network
09/30/10Feeder cable reduction
09/30/10Low density parity check (ldpc) code

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Nortel Networks Limited in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Nortel Networks Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by