Abstract: In accordance with one embodiment, a method is implemented in a vectored system for improving a signal-to-noise ratio (SNR) of a far end transmitted signal on a victim line in the system. The method comprises mitigating, by the vectored system, self-induced far-end crosstalk (self-FEXT) on the victim line based on self-FEXT mitigation coefficients and receiving, by a second sensor, information relating to at least one of: self-FEXT of the vectored system, external noise, and the far end transmitted signal. The method further comprises learning, at the second sensor, coefficients relating to self-FEXT coupling into the second sensor and removing self-FEXT from the second sensor based on the learned coefficients. Upon removal of self-FEXT from the second sensor, a linear combiner configured to combine information relating to the victim line and the second line is learned.

Abstract: Methods and apparatuses are provided that include selecting resources for assigning to a device to mitigate relay self-interference when also communicating with a base station. The resources can be selected based on one or more factors, such as based on resources that are negotiated with the base station, or based on resources indicated as not desired for allocation from the base station, etc. In other examples, reference signals and control data can be communicated such as to mitigate relay self-interference as well.

Abstract: An improved system and method are disclosed for peer-to-peer communications. In one example, the method enables two endpoints to directly establish and maintain a communication session after authenticating with an access server.

Abstract: An improved system and method are disclosed for peer-to-peer communications. In one example, the method enables an endpoint to traverse a NAT device using a stateless reflector.

Abstract: A mechanism controls global synchronization, or registration floods, that may result when a large number of endpoints in a Voice over Internet Protocol (VoIP) network such as an Internet Protocol Multimedia Subsystem (IMS) come online simultaneously after a catastrophic failure. The mechanism allows the Domain Name System (DNS) infrastructure to efficiently control the overload condition by registering user end points with backup border elements, and by staggering and by randomizing the time-to-live (TTL) parameter in registrations with backup border elements.

Abstract: A method and apparatus for mobility management, load management, sharing management and configuration update and setup in a mobile network having a first radio access technology node and a second radio access technology node, the first radio access technology node and the second radio access technology node communicating over a backhaul interface. In one aspect the method detects, at the first radio access technology node, that a handover for a user equipment to a new node is required; provides, from the first radio access technology node, handover information to the second radio access technology node over the backhaul interface; and performs the handover of the user equipment from the first radio access technology node to the new node.

Abstract: Embodiments disclosed herein provide systems and methods for alleviating time division multiplexing interference between multiple access nodes. In a particular embodiment, a method provides identifying interference between a first and a second wireless access node at a wireless communication device, wherein the first and second wireless access nodes exchange wireless communications using a time division multiplexing wireless protocol on a first carrier frequency. The method further provides determining an uplink/downlink configuration for the time division multiplexing wireless protocol of the first and second wireless access nodes that does not cause the interference. The method also provides exchanging the wireless communications at the first and second wireless access nodes using the uplink/downlink configuration.

Abstract: A method and apparatus for improving the accuracy of a round trip time (RTT) estimate between a first device and a second device are disclosed. The method involves calculating an acknowledgement correction factor and a unicast correction factor. These correction factors are used to compensate for symbol boundary time errors resulting from multipath effects.

Abstract: A method for initiating a Packet Switched emergency call using a user equipment (UE) is presented. The UE includes a plurality of protocol layers. The plurality of protocol layers including an IMS sublayer, a non-access stratum (NAS) layer and an access stratum (AS) layer. The method includes generating an ATTACH REQUEST using the UE. The ATTACH REQUEST has an attach type. The method includes retrieving the attach type of the ATTACH REQUEST using the NAS layer of the UE, and generating an RRC CONNECTION REQUEST. The RRC CONNECTION REQUEST includes an RRC establishment cause based upon the attach type of the attach request.

Abstract: A method of notifying a mobile station regarding data usage with a plan limit includes tracking an amount of data usage consumed by the mobile station. A first data usage limit and a first data usage time frame are determined from a user account. A comparison is made of the data usage to the first data usage limit and a present time to the first data usage time frame. From this comparison, a projected data usage amount is determined and whether the projected data usage exceeds the first data usage limit. If exceeded, the system analyzes a second data usage limit to determine if it is greater than the projected data usage amount. If greater, the server provides a message to the mobile station notifying the user of the projected overage and suggestions to change to a new plan offering the second data usage limit.

Abstract: Systems and methods for tagging packets in a wireless network are described. The methods can comprise detecting initial entry of subscriber equipment into a wireless network at a first base station and generating a network tag for the subscriber equipment, the network tag associating the subscriber equipment with the first base station. The tag can be distributed to other base stations and, upon reentry of the subscriber equipment to the network, a network connection can be configured for the subscriber equipment based on the tag. Detecting initial entry includes receiving a network entry packet including a unique identifier associated with the subscriber equipment. The network connection can be configured by providing an IP address assigned to the subscriber equipment and the IP address may be distributed through a relay agent instantiated for the network connection. The network tag can be an IEEE 802.1q tag, MPLS tag, etc.

Abstract: A transmission device includes a memory which stores a program, and a processor which executes, based on the program, a procedure including calculating a difference between a first time when a frame is received by a first port which is in a blocked state and a second time when the frame is received by a second port which is not in a blocked state, and correcting a frame received after topology of a network is changed in accordance with states of the first and second ports after the topology is changed and the difference.

Abstract: A “Universal Rate Control Mechanism with Parameter Adaptation” (URCMPA) improves real-time communication (RTC) sessions in terms of delay, loss, throughput, and PSNR. The URCMPA automatically learns network characteristics including bottleneck link capacity, inherent queuing delay, inherent packet loss rates, etc., during RTC sessions. The URCMPA uses this information to dynamically adapt rate control parameters in a utility maximization (UM) framework. The URCMPA operates reliable RTC sessions across a wide range and combination of networks near full throughput rates while maintaining low operating congestion levels (e.g., low queuing delay and low packet loss). Examples of networks applicable for use with the URCMPA include, but are not limited to, combinations of mobile broadband (e.g., 3G, 4G, etc.), WiMAX, Wi-Fi hotspots, etc., and physical networks based on cable, fiber, ADSL, etc.

Abstract: A transmission node for use in a wireless communication network includes a first CPRI unit for transmitting auxiliary data to a second CPRI unit in the transmission node. A memory unit stores control word data of the auxiliary data. A memory write block is connected between the first CPRI unit and the memory unit for writing the control word data to the memory unit based on a first set of frame timing signals received from the first CPRI unit. A memory read and merge block is connected to the memory unit for reading the control word data stored in the memory unit based on a second set of frame timing signals, merging the control word data with IQ data, and transmitting the merged auxiliary data to the second CPRI unit.

Abstract: The present invention relates to a method and an apparatus for transmitting a reference signal by a base station in a wireless communication system. The base station generates a channel state information (CSI) reference signal (RS) for each of a plurality of layers, performs mapping the plurality of CSI-RSs to a resource element set constituted by a plurality of resource elements(REs) in a subframe and transmits the subframe with the plurality of mapped CSI-RSs. The plurality of resource elements constituting the resource element set are resource elements that are arranged with constant subcarrier spacing in two neighboring orthogonal frequency division multiplexing (OFDM) symbols, and the subframe has an extended cyclic prefix (CP) structure including 12 OFDM symbols.

Abstract: Methods and system for using a multifunctional filter to minimize insertion loss in a multi-mode communications system are described. Specifically described is a multifunctional filter that is configurable to operate in a band-pass mode when a first type of signal is propagated through the multifunctional filter, and to operate in a low-pass mode when a second type of signal is propagated through the multifunctional filter. The multifunctional filter presents a lower insertion loss to the second type of signal when operating in the low-pass mode than in the band-pass mode.

Abstract: Methods, systems, and computer readable media for the automatic transfer of mobile calls between wireless packet switched (PS) and guaranteed service (GS) networks based on quality of service (QoS) measurements are disclosed. One method includes establishing a call over the PS or GS network. The method may further include monitoring a quality of service (QoS) parameter associated with the PS network, and comparing the QoS parameter to a minimum quality threshold. The method may further include receiving instructions to initiate a call transfer based upon the comparison of the QoS parameter to the minimum quality threshold.

Abstract: A method and device deactivate carrier aggregation and execute single carrier operation in a terminal, in a wireless communication system in which broadband is achieved by means of carrier aggregation. More specifically, in a terminal which is running a plurality of carriers, unnecessary power consumption in the terminal is prevented and additional screening events are minimized by defining physical layer signaling so as to make the terminal rapidly convert to running a single carrier.

Abstract: Methods and apparatus to manage conference calls are described. An example method includes classifying participants of the conference call in a hierarchy according to respective priority values; detecting an attempt of a participants to speak at a same time; detecting which one of the participants has a lower priority ranking; blocking an audio signal of the one of the participants having the lower priority ranking; placing an identifier associated with the blocked one of the participants in a queue; organizing the queue according to a behavior-based policy by comparing an utterance of a current speaker to a keyword associated with the conference call to determine a relevancy of the utterance; and increasing a point total associated with the current speaker in response to determining that the utterance is substantially relevant, and decreasing the point total associated with the current speaker in response to determining that the utterance is substantially irrelevant.

Abstract: Process for controlling the access of a user to a service provided in a data network, to protect user data stored in a data base of the service from unauthorized access, the method comprising: (a) inputting, in a VoIP session, a voice sample of the user at a user data terminal which is at least temporarily connected to the data network, (b) processing, in a first processing step, the user's voice sample using a dedicated client implemented at the user data terminal, to obtain a pre-processed voice sample or a current voice profile of the user, (c) further processing, in a second processing step, the pre-processed voice sample or the current voice profile, including a comparison step of the current voice profile with an initial voice profile stored in a data base, and (d) outputting an access control signal for granting or rejecting access to the service, taking the result of the comparison step into account.