Abstract: Various methods and devices are provided to address the need for reducing interference in heterogeneous wireless networks. In one apparatus, a network node (500) that includes a transceiver (502) and a processing unit (501) is provided. The processing unit is configured to transmit, via the transceiver, downlink signaling at a primary power spectral density (PSD) level and to also transmit, via the transceiver, a group of control channel elements (CCEs) on a physical downlink control channel (PDCCH) at a reduced PSD level, the reduced PSD level being less than the primary PSD level.

Abstract: A first base station selects a subset of channels of an unlicensed frequency band based on indications of energy received over the channels. The first base station transmits one or more messages instructing user equipment to monitor the subset of channels and report information indicating whether at least one second base station is transmitting over the subset of channels. User equipment monitors the subset of channels of the unlicensed frequency band in response to receiving the one or more messages from a first base station indicating the subset of channels. The user equipment transmits one or more messages including information indicating whether one or more second base stations are transmitting over the subset of channels.

Abstract: An optical receiver includes an equalizer to generate a plurality of equalization coefficients corresponding to a plurality of frequencies of an optical signal received by the optical receiver. The equalizer zeroes out a first subset of the equalization coefficients corresponding to a first subset of the plurality of frequency components and applies a second subset of non-zero equalization coefficients to the first signal. The optical receiver may also include a chromatic dispersion compensator to generate inverse chromatic dispersion coefficients corresponding to the plurality of frequency components, and to zero out a first subset of the inverse chromatic dispersion coefficients corresponding to the first subset of the plurality of frequency components and further to apply a second subset of non-zero inverse chromatic dispersion coefficients to a second optical signal.

Abstract: Methods to improve the data carrying capacity of CATV DOCSIS systems and other communications systems are disclosed. Communications channels may be more efficiently spaced with reduced or absent guard bands by using receivers with adaptive signal cancellation methods, equalizing circuits, or polyphase filter banks and Fast Fourier Transform signal processing methods to correct for higher levels of cross-talk. QAM type communications channels may also be utilized on a synchronized two-transmitter at a time basis by adjusting the transmitters to predefined signal levels, such as +1, ?1, +½, ?½ to enable the combined signals to be distinguished at the receiver. These two methods may be combined to create a still higher data throughput system.

Abstract: We disclose a photonic integrated circuit (PIC) having a first photonic chip and a second photonic chip that are bonded and optically coupled to one another in a manner that reduces the number of different photonic chips that need to be integrated into the same PIC package to achieve a desired electro-optical function. In an example embodiment, the first photonic chip may include active optical components, such as lasers and optical amplifiers, and be fabricated using the III-V semiconductor technology. The second photonic chip may include additional optical components, such as modulators, photodetectors, and passive optical components, and be fabricated using the CMOS technology. The second photonic chip may also include one or more 2×2 optical couplers configured to appropriately (re)direct various optical signals between the active optical components of the first photonic chip and the additional optical components of the second photonic chip to achieve the desired electro-optical function.

Abstract: We disclose an optical receiver for direct detection of an intensity-modulated optical signal, the digital signal processor of which employs a clock-recovery circuit capable of reliably recovering the internal clock of the received optical signal without relying on dispersion-compensation processing even if the signal's eye pattern is substantially closed. In an example embodiment, the clock-recovery circuit comprises a frequency-domain phase detector that operates to determine and track in time the sampling phase using only a subset of the digital spectral components corresponding to the received optical signal. The determined sampling phase is then used to synchronize the digital electrical samples of the received optical signal with the internal clock thereof by way of digital interpolation or through appropriate control of the sampling frequency and phase of the receiver's analog-to-digital converter.

Abstract: Techniques are provided for anonymizing data in a data stream.

Abstract: A network switch having one or more multi-endpoint (MEP) optical transceivers configured to provide an interface for optical data transport through the corresponding network. The use of MEP optical transceivers advantageously enables the network switch to be compatible with multiple network topologies. As a result, various embodiments of the disclosed network switch may be used to provide a builder and/or an operator of the corresponding network with a great deal of flexibility in choosing a network topology and/or degree of redundancy better suitable for the network's intended purpose and/or application without having to change some of the underlying hardware.

Abstract: A capability for controlling access by a mobile device to venue-related items associated with a venue is presented. A server may be configured to detect a presence of the mobile device at the venue and send a venue token toward the mobile device based on detection of the presence of the mobile device at the venue, where the venue token includes an indication of a venue-related item that the mobile device is permitted to access independent of a location of the mobile device. A mobile device may be configured to receive a venue token based on a presence of the mobile device at the venue where the venue token includes an indication of a venue-related item that the mobile device is permitted to access independent of a location of the mobile device, and send a request for the venue-related item toward a server based on the venue token.

Abstract: A communication network that employs a plurality of multi-endpoint (MEP) optical transceivers in a leaf (or functionally similar) layer thereof. The use of MEP optical transceivers enables the communication network to support a pair of parallel paths for any source/destination pair of network nodes. In an example configuration, data packets that flow through one of the parallel paths go from the source node to the destination node via an electronic packet switch in the network's spine layer. Data packets that flow through another one of the parallel paths go from the source node to the destination node via an optical cross-connect switch. In operation, a network controller may dynamically select which one of the parallel paths to enable for each particular source/destination pair of network nodes, with the selection being made, e.g., based on the data volume to be transmitted between the two nodes.

Abstract: A driver warning system automatically detects the existence of in-the-road, passable obstructions and provides timely notification to a driver in proximity of such an in-the-road, passable obstruction prior to it being encountered with sufficient warning time for the driver to avoid the in-the-road, passable obstruction. To detect in-the-road, passable obstructions, the warning unit of a driver whose vehicle hits an in-the-road, passable obstruction will automatically generate a signal that is indicative of the existence of the in-the-road, passable obstruction and its location. This signal may be transmitted to a server, which contains a database of located obstructions. The collected information about the detected in-the-road, passable obstructions are provided to various warning units, so that they, knowing the driver location, e.g.

Abstract: A device including an enclosure that encapsulates a plurality of particles dispersed in a matrix material. The particles are formed of a material having substantial bulk thermal conductivity of at least about one watt per meter-Kelvin (1 W/[mK]) at a standardized measurement temperature of about 68° F. In the device, the enclosure is configured upon deformation to allow a portion of the matrix material to escape while retaining at least a portion of the particles within the enclosure. A system that includes an enclosure that encapsulates a plurality of such particles dispersed in a matrix material, the enclosure being located between first and second objects. In the system, the enclosure has through-pores communicating between an interior of the enclosure and an exterior of the enclosure, and at least a portion of the particles have diameters that are larger than a maximum diameter of the through-pores.

Abstract: An apparatus for manufacturing an array of optical fiber using a handling tool, a clamp element, a cutter and an adhesive reservoir. The handling tool is capable of moving a portion of an optical fiber in a three-dimensional space and hold the portion of the optical fiber together with the clamp element to allow the cutter to produce a cleaved end in the optical fiber. The handling tool is further configured for immersing the cleaved end of the optical fiber in the adhesive reservoir and inserting the cleaved end of the optical fiber with adhesive adhered thereto inside a ferrule of an array of ferrules. A structure comprising the array of ferrules and a method of manufacturing an array of optical fibers are also disclosed.

Abstract: A base station coordinates transmission of positioning reference signals and non-reference signals. The base station includes a transceiver to detect a reference signal transmitted by one or more other base stations in one or more physical resource blocks. The base station also includes a processor to identify a pattern of resources allocated to the one or more other base stations based on the one or more physical resource blocks including the reference signal. The transceiver is to bypass transmission of non-reference signals in physical resource blocks indicated by the pattern.

Abstract: The present disclosure generally discloses an addressing mechanism adapted for extending a customer local area network of a customer premises of a customer outside of the customer premises and into a private data network with improved scalability and performance. The extension of a local area network of a customer premises of a customer outside of the customer premises and into a private data network may be provided using a customer bridge associated with the customer local area network of the customer, a customer bridging domain hosted on a network gateway device for the customer, and a switching element hosted in the private data network for the customer for one or more customer components hosted within the private data network for the customer. The addressing mechanism may include one or more of address announcement functions, address resolution functions, address translation functions, or the like, as well as various combinations thereof.

Abstract: This disclosure generally discloses an anchor mobility mechanism. The anchor mobility mechanism is configured to support migration of flows between mobility anchors within a wireless communication system. The anchor mobility mechanism may be configured to support migration of flows between mobility anchors within a wireless communication system in a highly seamless manner. The anchor mobility mechanism may be configured to support migration of a flow of a wireless device between mobility anchors within a wireless communication system using functions performed by a control element (CE) and one or more forwarding elements (FEs) within the data plane of the flow of the wireless device. The functions may include identifying a time at which to initiate migration of the flow, initiating migration of the flow based on identification of the time at which to initiate migration of the flow, or the like, as well as various combinations thereof.

Abstract: Methods and apparatuses for implementing a mobile client network transition are provided. In an embodiment, a network transition priority list including measured quality-of-service data for each of a plurality of networks within communications range of a mobile client is received. Each of the plurality of networks is ranked in accordance with one or more network administrator policies. An updated network transition priority list is generated based on the ranking of the plurality of networks, and the updated network transition priority list is transmitted to the mobile client.

Abstract: In one example embodiment, a base station includes a processor configured to determine a window size indicating for how long a random access response transmission by the base station is to be searched and monitored. The base station further includes a transceiver connected to the processor and configured to transmit, over a downlink control channel, downlink control information including the determined window size.

Abstract: A capability for cross-layer aware communication of a multipath data flow via a communication network is presented. The multipath data flow is transported using a set of multiple transmission flows based on a multipath transport protocol. The communication network supports a set of multiple communication paths. A controller is configured to determine a set of mappings between the multiple transmission flows of the multipath data flow and the multiple communication paths based on cross-layer state information, compute a set of path mapping rules for a network element based on the mappings between the multiple transmission flows of the multipath data flow and the multiple communication paths, and provide the path mapping rules to the network element. The network element is configured to apply the path mapping rules for mapping packets of the multipath data flow between the multiple transmission flows of the multipath data flow and the multiple communication paths.

Abstract: A method and apparatus for substantially minimizing overhead over-provisioning costs in machine configurations is disclosed. The method involves the steps of: clustering a plurality of given machine configurations into a quantity of clusters less than or equal to a pre-specified amount; determining a respective dominant provisioning machine configuration for each cluster of the quantity of clusters; and determining an overall over-provisioning resource cost associated with the respective quantity of clusters and associated respective dominant provisioning machine configurations; and assigning to a mapping function the respective associated dominant provisioning machine configuration of each respective cluster of the quantity of clusters as the target for the given machine configurations of each respective cluster of the quantity of clusters.