Abstract: A network element (NE) comprising a memory device configured to store instructions, and a processor configured to execute the instructions by dividing a first plurality of data packets of a data flow into a first plurality of sub-flows, and causing the first plurality of sub-flows to be transmitted to a second NE via a network, wherein the first plurality of sub-flows are transmitted using a first Internet Protocol Security (IPsec) security association (SA) cluster comprising a plurality of parallel sub-SAs. The disclosure also includes a NE comprising a processor configured to create an IPsec SA cluster comprising a first plurality of sub-SAs between the NE and a second NE using an internet key exchange (IKE) or an IKEv2, wherein the first sub-SAs are unidirectional, and wherein the first sub-SAs are configured to transport a first plurality of data packets in a common direction.
Abstract: A network component comprising a forwarding physical layer (PHY) unit comprising a source queue (SQ), wherein the forwarding PHY unit is configured to measure a one-way physical layer delay between the forwarding PHY unit and a destination node. Also disclosed is a network component comprising a forwarding PHY unit configured to send a plurality of symbols at a network physical layer to a destination node and receive the symbols at a network physical layer from the destination node, and a SQ configured to queue the symbols returned from the destination node, wherein the forwarding PHY unit is further configured to process the queued symbols to calculate a half round-trip delay based on a virtual delay time.
Abstract: A method comprising receiving a data frame, encapsulating the received data frame into a reflected frame message (RFM) encapsulated frame, and if the received data frame causes the RFM encapsulated frame to exceed a maximum service data unit size, either the data frame is truncated or the data frame is split into two smaller frames and those two smaller frames are encapsulated by two separate RFM frames, wherein if a truncation flag is set to true, the data frame is truncated and the truncated data frame is encapsulated in one RFM.
Abstract: A system comprising a backbone core bridge (BCB) in a provider backbone bridged network (PBBN), and a backbone edge bridge (BEB) coupled to the BCB via a provider network port (PNP) and to a customer bridge in a customer bridged network via a C-tagged service interface, wherein the C-tagged service interface maps a service instance from the customer bridged network that is identified by a customer-virtual local area network identifier (C-VID) to a backbone service instance on the PBBN that is identified by a service instance identifier (I-SID).
Abstract: An apparatus comprising a processor configured to store a first upstream label in a forwarding table upon receipt of a first message encapsulating the first upstream label from a first adjacent node, store a first downstream label in the forwarding table upon receipt of a second message encapsulating the first downstream label from a second adjacent node, send a third message encapsulating a second downstream label to the first adjacent node, send a fourth message encapsulating a second upstream label to the second adjacent node; and forward data received from a plurality of adjacent nodes over a MP2MP LSP using at least a portion of the labels stored in the forwarding table, wherein each adjacent node is associated with only one upstream label and only one downstream label, and wherein the maximum state complexity of the forwarding table is linear relative to the number of adjacent nodes.
Abstract: Various methods and communications devices to improve bandwidth utilization in a wireless communication network are provided. By way of example, efficient content delivery in a radio access network is achieved by using an accelerator module configured to implement a stack having, among others, a hypertext transfer protocol (HTTP) layer, a transmission control protocol (TCP) layer, and a de-duplication, Lempel-Ziv (LZ) compression/decompression, and caching layer.
Abstract: A method for summarizing topology transparent zone (TTZ) traffic engineering (TE) information, comprising computing a TE link state for every TE link internal to a TTZ from a root node to one or more non-root edge nodes, wherein the TE link state comprises the maximum bandwidth of the link, summarizing the computed TE link state information and storing the summary in a memory, and distributing at least a portion of the information in the summary to at least one neighboring node external to the TTZ connected to the root node via an external link.
Abstract: An optical network unit (ONU) comprising a first optical fiber, a first optical circulator coupled to the first optical fiber, a first seed light injected laser coupled to the first optical circulator, wherein the first optical circulator is positioned between the first seed light injected laser and the first optical fiber, and a second seed light injected laser coupled to the first optical circulator and the first seed light injected laser, wherein the first optical circulator is positioned between the second seed light injected laser and the first optical fiber. Also disclosed is a method comprising receiving a seed light signal, amplifying the seed light signal using seed light injection locking, thereby producing an amplified seed light signal, and producing an optical signal using the amplified seed light signal and seed light injection locking, wherein the optical signal has about the same wavelength as the seed light signal.
Abstract: An apparatus comprising an individual optical power level calculation (IOPLC) module and a transceiver coupled to the IOPLC module and configured to communicate with a plurality of optical network units (ONUs). Also disclosed is an apparatus comprising a control and management (CM) module, an average power level measurement (APLM) module coupled to the CM module, a first transceiver coupled to the CM module and configured to communicate with an optical line terminal (OLT), and a second transceiver coupled to the CM module and the APLM module, and configured to communicate with a plurality of ONUs.
Type:
Grant
Filed:
April 30, 2012
Date of Patent:
September 24, 2013
Assignee:
Futurewei Technologies, Inc.
Inventors:
Frank J. Effenberger, Yin Jinrong, Yang Sulin
Abstract: A method for transmitting to a direct mobile communications (DMC) device by a user equipment operating in both a cellular mode and a DMC mode includes estimating a first pathloss of a first channel from the user equipment to a base station according to a difference between a known base station transmit power level and a received base station power level, and estimating a second pathloss of a second channel from the user equipment to the DMC device according to a difference between a known DMC device transmit power level and a received DMC device power level. The method also includes setting a transmit power level for transmission to the DMC device according to the first pathloss and the second pathloss, and transmitting a signal to the DMC device at the transmit power level.
Abstract: System and method embodiments are provided for signaling reference signals and Channel State Information (CSI) feedback for wireless communications. An embodiment method implemented by a user equipment (UE) for wireless communications measurements and CSI feedback includes receiving, from a network, at least one of a first index that indicates a corresponding non-zero-power CSI reference signal (CSI-RS) resource, a second index that indicates a corresponding zero-power CSI-RS resource, a third index that indicates a corresponding CSI-RS resource for interference measurement, and a fourth index that indicates a corresponding channel quality indicator (CQI) report configuration.
Abstract: An apparatus comprising a charging pin in a recharging inlet of an electric powered vehicle (EPV) recharging inlet, a ground pin in the recharging inlet and substantially parallel to the charging pin, a safety pin in the recharging inlet and substantially parallel to the charging pin and the ground pin, an electric power source coupled to the safety pin, and a control circuit coupled to the electric power source and the safety pin, wherein the length of the safety pin extended in the recharging inlet is substantially shorter than the length of the ground pin and longer than the length of the charging pin.
Abstract: In one embodiment, a method for transmitting information includes processing a downlink transport channel to generate a transport block (TB) having a TB size. The TB size is selected by selecting a modulation and coding scheme index (ITBS) and a physical resource block index (NPRB). The TB size for the selected ITBS and NPRB is selected so that an effective code rate at an user equipment (UE) does not exceed a specified threshold. The effective code rate is defined as a number of downlink (DL) information bits including TB cyclic redundancy check (CRC) bits and code block CRC bits divided by a number of physical channel bits on Physical Downlink Shared Channel (PDSCH). The transport block is mapped to multiple spatial layers. The number of spatial layers N is greater than or equal to three. The multiple spatial layers are transmitted to the UE.
Abstract: An apparatus comprising a nonlinear lookup unit (NL-LUU) configured to add a phase shift to a signal sample to compensate for pattern dependent phase distortion, and one or more first phase adjustment units coupled to NL-LUU and configured to remove from the signal sample a nonlinear phase error from the NL-LUU, wherein the signal sample corresponds to a received signal polarization component of a polarization multiplexed (PM) coherent signal in a PM coherent optical system.
Type:
Grant
Filed:
July 8, 2011
Date of Patent:
September 17, 2013
Assignee:
Futurewei Technologies, Inc.
Inventors:
Chuandong Li, Zhuhong Zhang, Fei Zhu, Yu Sheng Bai
Abstract: Disclosed is an apparatus that includes a plurality of parallel digital signal transmitters that each receive one of a plurality of digital sub-signals wherein each of the plurality of digital signal transmitters is configured to transmit one of the plurality of digital sub-signals that each have about the same bandwidth. The apparatus also includes a combiner coupled to the transmitters and configured to shift some of the plurality of digital sub-signals and to combine the plurality of shifted digital sub-signals into a combined digital signal that has a total bandwidth of that is approximately equal to the sum of the bandwidths of the plurality of digital sub-signals. The total bandwidth comprises a plurality of shifted bandwidths of the plurality of digital sub-signals at about the same offset with respect to each other. The combined digital signal is transmitted over a digital subscriber loop.
Type:
Grant
Filed:
February 24, 2011
Date of Patent:
September 17, 2013
Assignee:
Futurewei Technologies, Inc.
Inventors:
Guozhu Long, Amir H. Fazlollahi, Liming Fang, Yuchen Jia
Abstract: An apparatus comprising a plurality of communication interfaces configured to receive a dynamic host configuration protocol (DHCP) reply message comprising routing information for at least one of the plurality of interfaces, and a processor configured to select one of the plurality of interfaces for transmission based upon the routing information. An apparatus comprising at least one processor configured to implement a method comprising receiving a DHCP request message comprising a first multi-homed routing policy entry (MHRPE) option, selecting default route information based upon the first MHRPE option, and transmitting a DHCP reply message comprising a second MHRPE option comprising the default route information. A method comprising receiving a DHCP request message comprising a first MHRPE option, selecting default route information based upon the first MHRPE option, and transmitting a DHCP reply message comprising a second MHRPE option comprising the default route information.
Abstract: An apparatus comprising an optical receiver configured to receive an optical signal, and a combined level and clock recovery circuit coupled to the optical receiver and configured to update a signal threshold and a clock phase substantially simultaneously. Also included is an apparatus comprising at least one processor configured to implement a method comprising recognizing reception of a signal, and adjusting a threshold and a clock phase associated with the signal using a rising time for the signal and a falling time for the signal. Also included is a method comprising receiving a signal, and adjusting a threshold level of the signal to establish level recovery using a clock recovery scheme.
Abstract: In accordance with an embodiment of the present invention, a device includes a circuit board with a thermally conductive core layer and a chip disposed over the circuit board. The device further includes a heat sink disposed over the chip. The thermal conductivity of the heat sink along a first direction is larger than a thermal conductivity along a second direction. The first direction is perpendicular to the second direction. The heat sink is thermally coupled to the thermally conductive core layer.
Abstract: A novel system for utilizing an authorization token to separate authentication and authorization services. The system authenticates a client to an authenticating server; generates an authorization token with the authenticating server and the client; and authorizes services for the client using the generated authorization token.
Abstract: Field-serviceable radio frequency modules can be achieved by replacing hard-wired radio frequency (RF) feedback paths with external near-field RF probes. Notably, the near-field RF probes may allow for the RF module to be installed/re-installed on a backplane or other support structure without fowling factory calibration settings. Multiple near-field RF probes can monitor a single RF module. Additionally, a single near-field RF probe can monitor multiple RF modules.
Type:
Application
Filed:
February 22, 2013
Publication date:
September 12, 2013
Applicant:
FutureWei Technologies, Inc.
Inventors:
Zhengxiang Ma, Leonard Piazzi, Alexis Pierides