Abstract: In a satellite communication system, comprising a hub, a satellite and plurality of remote terminals (e.g., VSATs), a method for allocating timeslots over a return channel to VSATs in real time, without a reference to a predefined time-frequency map, for at least the purpose of optimizing return channel utilization. Also presented are a method for dividing a return channel to transmission channels in real time, a method for determining a most suitable timeslot type for a VSAT per allocation period and a tiling algorithm for mapping allocated capacity onto return channel bandwidth.

Abstract: Embodiments of the disclosure relate to a method and system for enhancing management channels. The method comprises operating TDM (Time Division Multiplex) clock frequency at a predefined rate higher than operating frequency based on available management channels. Transmitting data on the management channels using the TDM slots of a TDM based controller at a higher frequency rate.

Abstract: A route allocation method including: calculating a route between a sending node and a receiving node in a network; and allocating the route to a communication slot, wherein the allocating selects route allocation for the communication slot based on a number of allocatable routes that are other routes not including a link the transfer direction of which is the same as that of a route, the link being located in the route embedded into the communication slot.

Abstract: A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with fast channel change while giving robustness to the mobile service data.

Abstract: A method for channel switching comprising the steps: establishing (10) an active communication in a channel ch(m), checking (11) if the communication at an actual timeslot t(n) is successful, if checking (11) if the communication at the actual timeslot t(n) is successful, keeping the communication using the channel ch(m) for a next timeslot t(n+1) and repeating checking (11) if the communication at the actual timeslot t(n) is successful, if checking (11) if the communication at the actual timeslot t(n) is not successful, initiating a selection of a next channel ch(m+1). Further a device for communication is presented.

Abstract: In a communications system, a first packet network is provided. Packetized data is transferred between the system and one or more packet-based devices. A TDM network is provided, and data is transmitted in frames having slots. Data transmitted via the TDM network includes data for voice communications for telephony devices. The TDM network is selectively coupled to the first packet network and a WAN. A processor and a control bus interface circuit control transfer of packetized data and transmittal of data for voice communications. The processor controls processing of packetized data and data for voice communications. A switch/multiplexer selectively controls providing data to/from particular slots. The processor selectively controls voice communications from telephony devices over the TDM network and packet-based communications over the packet network. Voice communications that stay in a circuit-switched form occur over the TDM network and the WAN.

Abstract: A radio base station generates and assigns a different DL/UL transmission pattern to each terminal of a set of mobile terminals that are mutually unique patterns which allow each terminal to receive downlink system information thereon.

Abstract: Disclosed are methods and apparatuses related to the routing of communications in a wireless mesh network so as to provide improved range, reliability and/or throughput. At least some aspects of the techniques and apparatuses can be implemented in an intermediary node (relay node) on a wireless mesh network. The relay node and other devices on the wireless network may implement a form of multiple-input multiple-output (MIMO) communication, such as multi-user MIMO (MU-MIMO). The devices on the network can communicate in accordance with IEEE standard 802.11.

Abstract: Methods and apparatuses for detecting deviations from legitimate operation on a wireless network. The method includes detecting a sequence of observable events related to operation of an entity in the wireless network, and determining from the detected sequence of observable events for a particular entity in the wireless network what number of idle slots occurred between two consecutive observable events to provide a first output. The method further includes obtaining a second output corresponding to the number of idle slots between two consecutive observable events for legitimate operation of any entity in the wireless network using the network transmission protocol, and comparing a function of the first output with a function of the second output to determine whether or not the particular entity is deviating from legitimate operation of the network transmission protocol.

Abstract: Methods and Gateways (GWs) are provided for efficiently sending a router advertisement message to a User Equipment (UE). The GW comprises an interface, a processor, and an instructions repository that stores instructions that when executed by the processor cause the later to determine the UE is in idle mode, and responsive thereto, to delay a transmission of the router advertisement message to the UE until the UE transitions from the idle mode to an active mode. This is achieved by delaying a paging of the UE. In another embodiment, a method and GW is provided. The GW's processor detects a router advertisement message needs to be sent to the UE, determines the UE is in idle mode and delays a paging of the UE until detecting the UE transitions from the idle mode into an active mode, when the router advertisement message is sent to the UE.

Abstract: Data communications are effected over one or more network branches to ensure appropriate receipt of data at different devices on the network. In accordance with an example embodiment, time-based communications are effected for a plurality of different network devices, at least two of which are connected to a common wired network link, with each network device being assigned to communicate during different time slots within a communication cycle. Each communication received on the common wired network link is assessed as being error-indicative or not error-indicative. In response to a received communication on the common wired network link being assessed as being error-indicative, the common wired network link is operated to corrupt data received on the branch, such as by driving the branch during a time slot in which the error-indicative communication is received, therein ensuring that other network devices disregard the data received during that time slot.

Abstract: A packet-switched WDMA ring network has an architecture utilizing packet stacking and unstacking for enabling nodes to access the entire link capacity by transmitting and receiving packets on available wavelengths. Packets are added and dropped from the ring by optical switches. A flexible credit-based MAC protocol along with an admission algorithm enhance the network throughput capacity.

Abstract: In one embodiment, a battery-operated communication device “quick-samples” a frequency hopping sequence at a periodic rate corresponding to a substantially low duty cycle, and is discovered by (e.g., attached to) a main-powered communication device. During a scheduled sample, the main-powered communication device transmits a control packet to be received by the battery-operated communication device, the control packet containing timing information and transmitted to account for worst-case clock drift error between the two devices. The battery-operated communication device responds to the control packet with a link-layer acknowledgment containing timing information from the battery-operated communication device. Accordingly, the two devices may re-synchronize their timing based on the timing information in the control packet and acknowledgment, respectively.

Abstract: A transmitter time-division-multiplexes, in time domain, to assign at least a part of a second signal stream of a second channel being relatively high error-resilient compared to a first signal stream of a first channel between a boundary of the blocks and the first signal stream of the first channel of a time-division-multiplexing signal.

Abstract: Embodiments of the invention are generally directed to multiple protocol tunneling using time division operations. An embodiment of an apparatus includes an interface for communication with a second apparatus, the interface including a shared communication link; and a multiplexer to multiplex data of each of multiple protocols into time slots for transmission, the protocols including a first protocol. The time slots are distributed among the protocols, where the distribution of the time slots among the protocols includes assigning one or more time slots to the first protocol to enable the data of the first protocol to meet one or more performance requirements for the first protocol.

Abstract: A method and apparatus for allocating time slots in a baseband EPCN system is provided. The method includes: obtaining a period type of a current period; and determining a proportion between uplink time slots and downlink time slots for the current period according to the period type. According to present invention, different proportions between uplink time slots and downlink time slots may be respectively applied to different periods such as a registration period and a communication period in the baseband EPCN system. Thus, the register time of a new CNU in the registration period is shortened and the requirement for high downlink bandwidth for normal communications in the communication period is guaranteed at the same time.

Abstract: A scalable medium access control (“MAC”) module is provided that avoids conflict resource reservation so that network performance does not degrade as the number of hops or nodes in a wireless network increases. The MAC also provides different access schemes for traffic with different quality of service (“QoS”) requirements such that QoS is guaranteed and network resources are efficiently utilized. Furthermore, the resource allocation scheme determines the routing path as resources is allocated for data traffic, thereby achieving more robust layer-2 routing at the MAC layer. Finally, the scalable MAC is compliant with both WiMedia MAC and IEEE 802.15.3 MAC.

Abstract: Disclosed is an apparatus which operates to substantially evenly distribute commands and/or data packets issued from a managed program or other entity over a given time period. The even distribution of these commands or data packets minimizes congestion in critical resources such as memory, I/O devices and/or the bus for transferring the data between source and destination. Any unmanaged commands or data packets are treated as in conventional technology.

Abstract: A wireless communication system includes wireless terminals. Each of the wireless terminals includes an SDM transmitting unit that includes antennas and generates directional radio signals to be transmitted to other terminals, each of which is obtained by superimposing radio signals at the antennas, each of which is composed of modulated data for each of the other terminals; a single-system receiving unit; and a TDMA control unit that controls a transmission of the SDM transmitting unit and a reception of the receiving unit in a time division manner. Using a TDMA scheme, the wireless terminals are controlled such that one of the wireless terminals acquires a transmission right for a predetermined time period to simultaneously transmit the generated directional radio signals from the SDM transmitting unit, while during the predetermined time period, the receiving units of the other wireless terminals having no transmission right simultaneously receive their corresponding directional radio signals.

Abstract: In the upgrading of the ECU, an ECU 1 to be a master notifies other ECUs 1a and 1b of change of an ACK slot length. The ECUs 1a and 1b change the ACK slot length into an ACK slot length received from the ECU 1. At this time, the changed ACK slot length is stored in each register 5a provided in the ECUs 1a and 1b. Subsequently, the master ECU 1 transmits an upgrade data to each of the ECUs 1a and 1b at a communication speed corresponding to the changed ACK slot length. After completion of the upgrade, the ECU 1 notifies of change of the ACK slot length into the original ACK slot length. After receiving this, the ECUs 1a and 1b reset the ACK slot length to the notified original ACK slot length.

Abstract: Various embodiments are described herein related to techniques for synchronizing a slave device to a master device that communicates using a unified bus communication protocol or some aspect thereof. In one example, the method may comprise assuming a first mode of operation for the unified bus communication protocol; searching for a synchronization pattern at one or more locations in transmitted data according to the first mode of operation; obtaining synchronization when the located synchronization pattern is verified according to at least one synchronization rule for the mode of operation; and if synchronization is not obtained based on the assumed first mode of operation, a second mode of operation for the unified bus communication protocol is assumed and the searching and obtaining acts are carried out on the transmitted data according to the second mode of operation.

Abstract: Embodiments of various methods, devices and systems are described herein that use a unified bus communication protocol. One such device comprises an interface for sending and receiving signals, and a mux and sync engine coupled to the interface and configured to determine time slots for sent and received signals according to a unified bitstream frame format. The unified bitstream frame format comprises a plurality of frame channels for transmitting data in a bitstream mode of communication such that data from the frame channels are time-multiplexed across the frame channels one bit at a time, wherein one of the frame channels is allocated as a control channel comprising individual control bits from control data, and at least one of the frame channels is allocated as a virtual frame channel comprising individual data bits taken from digital word data.

Abstract: A wireless communication terminal that performs wireless communication with other terminal includes an information holding unit that holds a communication channel setting of the wireless communication and information of a communication attribute of the wireless communication, a communication unit that receives the information of the communication attribute held by the other terminal from the other terminal by wireless communication using a communication channel that the communication channel setting held by the information holding unit represents before a logical connection of the wireless communication with the other terminal is established, and a control unit that controls the establishment process of the logical connection with the other terminal based on the information of the communication attribute received by the communication unit.

Abstract: Embodiments of the present disclosure set forth a method for forecasting data usage in a region covered by a cellular network. The method includes defining a first subregion surrounding a first point of interest in the region; and calculating a forecasted usage amount of the cellular network in the first subregion in a second time slot based on a first usage amount of the first subregion in a first time slot, a second usage amount of a second subregion geographically adjacent to the first subregion in the first time slot, a first probability associated with mobile devices in the first subregion migrating to the second subregion, and a second probability associated with mobile devices in the second subregion migrating to the first subregion.

Abstract: Novel solutions to provide enhanced configurability of network access. Such solutions can provide, inter alia, enhanced utilization of network resources (including without limitation network aggregation devices, such as DSLAMs and the like). In an aspect of some solutions, a network aggregation device can divide an aggregate uplink bandwidth into a plurality of time slots. Some or all of the time slots can be reserved for different customers (subscribers).

Abstract: There is provided a time slot interchanger for processing channel setting data functioning as control data for interchanging time slots of multiplexed transmission data. In the time slot interchanger, processing of the channel setting data based on alarm data is performed in accordance with a preset first transmission capacity, and with respect to the channel setting data in accordance with a preset second transmission capacity, processing of the channel setting data in accordance with the first transmission capacity is dispersedly performed in a time series manner.

Abstract: A data communication apparatus to be coupled to a first network and a Multiprotocol Label Switching (MPLS) network, includes a receiving unit which receives a data including header information indicating a destination and first header information used to identify a first Virtual Private Network (VPN) in the first network. The apparatus also includes a transmitter which transmits data having added thereto a MPLS header information used to identify one of the plurality of second VPNs in the MPLS network, the MPLS header information corresponding to both the header information indicating the destination and the first header information used to identify the first VPN in the first network included in the received data.

Abstract: The present invention relates generally to a manner by which to page an access terminal of a radio communication system to alert the access terminal of a pending call, or other communication. More particularly, the present invention relates to apparatus, and an associated method, that provides for the generation, sending, and analysis of a quick page message upon a paging channel, such as a QPCH (quick paging channel) defined in an exemplary cellular communication system. The page message is formed in a manner that reduces the likelihood of occurrence of false wakeup of an access terminal. Excessive battery depletion, as a result of false wakeup of the access terminal, is avoided.

Abstract: A packet decoding method and apparatus of a digital broadcast system is provided for improving decoding performance by reordering blocks to be decoded and adjusting a number of decoding iterations of each block. A packet decoding method of the present invention includes measuring Signal-to-Noise Ratios (SNRs) of individual packets within a slot, determining a decoding order of the packets according to the SNRs, and decoding the packets in the decoding order. The decoding method and apparatus of a digital broadcast system according to the present invention performs decoding on the packets having the highest channel estimation performance first with reduced number of decoding iterations and reallocates the saved number of decoding iterations to remaining packets having relatively low channel estimation performance, thereby improving the decoding performance of the received packets.

Abstract: Multiple-In Multiple-Out (MIMO) techniques are used to increase spectral efficiency of a cellular single frequency network. In some embodiments with single transmit antenna per cell, multiple data streams are transmitted from multiple cells, one data stream per set of transmit antennae. The mapping of streams to antenna sets is permuted in time. In this way, user equipment devices (UEs) at cell edges benefit from MIMO, and UEs near cell centers benefit from high carrier-to-interference (C/I) ratio of the signal. In some embodiments, each stream is concurrently transmitted on base layer of a hierarchically modulated signal from one set, and on enhancement layer of a hierarchically modulated signal from another set. The mapping of sets to streams is permuted in time. The UEs at cell edges benefit from MIMO, and the UEs near cell centers benefit from the high C/I to decode both streams from the base and enhancement layers.

Abstract: Systems and methods for mobile communications are disclosed herein. An example method for a mobile station includes receiving first data from a carrier on a first frequency using a first receiver of the mobile station in a first timeslot, tuning a second frequency of the carrier using the second receiver while the first receiver is receiving the first data during the first timeslot, and receiving second data from the carrier on the second frequency using the second receiver during a second timeslot that immediately follows the first timeslot, wherein the mobile station receives data on all timeslots without each of two time division multiple access frames.

Abstract: In communication method for communicating via a transmission channel to which first communication apparatuses communicating based on a first communication system, second communication apparatuses communicating based on a second communication system, and third communication apparatuses communicating based on a third communication system are connected, a data transmission domain and a notification domain for notifying a data transmission within the data transmission domain are allocated to the first communication apparatuses, the second communication apparatuses, and the third communication apparatuses, respectively. In the communication method, notices of the data transmission for each of the first communication apparatuses, the second communication apparatuses and the third communication apparatuses are transmitted within the notification domain, and the data transmission domain is reallocated in accordance with the notices transmitted from the first, second and third communication apparatuses.

Abstract: A user uplink data scheduling method and user equipment, which are applied to multiple-periodicity mode semi-persistent scheduling supporting Transmission Timing Interval (TTI) bundling in the second Downlink/Uplink (DL/UL) timing interval proportion configuration mode (Time Division Duplex (TDD) DL/UL subframe configuration 1) in a Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) TDD system.

Abstract: In a method and a device for controlling the output power in a Base Transceiver Station adapted to transmit signals over an air interface using a power amplifier for multiple earners, the power of signals to be transmitted in an upcoming transmission time slot are added and compared to at least one threshold value. If the threshold is exceeded the output power is reduced. By implementing a power reduction scheme as set out above the risk for peak power effects is minimized at the same time as the dimensioning may be aggressive. This is made possible because no power will be backed off unless really needed.

Abstract: A communication network comprises a first central digital subscriber line (DSL) unit having at least one application port and a plurality of DSL ports; a first remote DSL unit having at least one application port and at least one DSL port, wherein the first remote DSL unit is communicatively coupled to the central DSL unit via a first single independent DSL pair having a first EOC channel; and a second remote DSL unit having at least one application port and at least one DSL port, wherein the second remote DSL unit is communicatively coupled to the central DSL unit via a second single independent DSL pair having a second EOC channel; wherein the at least one application port in the central DSL unit is communicatively coupled to an application port in at least one of the first remote DSL unit and the second remote DSL unit.

Abstract: The invention relates to a method for operating an RFID network consisting of a number of read-write stations (1, 2, 3, 11, N0-N17), for which a reader service signal (9, 105) is modulated onto a read-write signal that is required to process a number of electronic labels (6). According to the invention, the following steps are carried out: at least one read-write station (1 2, 3, 11, N0-N17) is entrusted with the function of a master (100) that has stored a network structure (110) comprising structure data and a co-ordination plan containing co-ordination data; the master or masters transmit(s) (100) at least corresponding data for an organized synchronous network operation to the read-write stations (1, 2, 3, 11, N0-N17) periodically and/or on demand, so that the read-write stations (1, 2, 3, 11, N0-N17) do not interfere with one another during the read-write operation.

Abstract: The present invention provides a method and a device for determining timeslot configuration in TDM transmission. The method includes: receiving consecutively transmitted TDM frames, wherein at least one TDM frame among the consecutively transmitted TDM frames includes a characteristic word; and according to a case of a timeslot collection occupied by the characteristic word in the TDM frame, determining a timeslot collection configured in the TDM frame for HDLC frames, wherein the characteristic word is configured to match a physical layer rate when no peer-peer protocol, PPP, link setup request packets are transmitted. Embodiments of the present invention are able to realize automatic acquisition of timeslot configuration of TDM frames.

Abstract: Embodiments relate to systems and methods for timeout monitoring of concurrent commands or parallel communication channels comprising assigning or de-assigning each one of the commands or communication channels to a corresponding one of a plurality of timeout timers when corresponding commands are to be transmitted or command acknowledges are received respectively.

Abstract: A telephone system comprising switching circuitry configured for coupling a call to a telephone extension coupled to the system, voice processing circuitry configured for automatically interacting with the call, a microprocessor, a first data bus connected between the microprocessor and the switching circuitry, and a second data bus connected between the microprocessor and the voice processing circuitry.

Abstract: A method for accessing a channel by a station in a contention-based communication system, includes: starting a backoff timer to perform contention-based channel accessing; when the backoff timer expires, a delay timer starts; and when the delay timer expires, channel accessing is attempted. Coexistence of a station using a directional antenna and a station using a non-directional antenna is guaranteed in a contention-based communication system.

Abstract: A base station performs bandwidth assignment for each terminal station or each wireless link even when the base station does not receive a bandwidth request in random access from the terminal station in the demand assignment period present in a specific period in which a transmission frequency of data to transmit is high, the specific period being specified for each terminal station or each wireless link between the terminal station and the base station, and the terminal station transmits at least one of bandwidth request information and the data to transmit in a bandwidth assigned by the base station.

Abstract: A framer comprises a channel state block configured to store channel state information (CSI) of a data stream. The CSI includes one or more format indicators and one or more sample size indicators. The framer also comprises a frame timer configured to provide frame state information and a frame builder communicatively coupled to the channel state block and the frame timer. The frame builder is configured to receive the one or more format indicators and the one or more sample size indicators. The frame builder is also configured to receive the frame state information and to receive at least some of data units of the data stream. The frame builder is also configured to build a self-describing superframe based on the one or more format indicators, the one or more sample size indicators, the frame state information, and the at least some of data units. A deframer is also disclosed.

Abstract: Systems (100)/methods (1000) for allocating performance of data service tasks (DST-1, . . . , DST-30) of a defined duration or data volume among time frames (2021-1, 2021-2, . . . , 2021-N, . . . , 20217-1, 20217-2, . . . , 20217-N) defined in separate communication channels (2001, . . . , 20017). Each time frame has a predetermined duration and number of time chips (3021-1, 3021-2, . . . , 3021-26624). The methods involve allocating portions of the time frames to synchronous type data service tasks (STDSTs). STDSTs (DTS-1, . . . , DST-14, DST-16, . . . , DST-18, DST-20, . . . , DST-30) must be communicated in consecutive time chips of a single channel. The methods also involve allocating residual channel space portions of the time frames to asynchronous type data service tasks (ATDSTs). ATDSTs (DST-15, DST-19) do not require data to be communicated in consecutive time chips of a single channel.

Abstract: A serial communication system includes a controller, a channel interleaved multiplexed data bus coupled to the controller, and a transceiver coupled to the channel interleaved multiplexed data bus. The channel interleaved multiplexed data bus is arranged as a two dimensional array of time domain interleaved data channels on a backplane of the communication system, the two dimensional array being based on a number of channels available on the backplane and fixed pattern sequence of data transmitted on the backplane.

Abstract: A method for interpreting timing information at a communication support entity operable to communicate wirelessly, includes the steps of: at a first time at the communication support entity, receiving an indicator of a predetermined form over a link from another communication support entity; receiving over the link data representing one or more relative times; interpreting each such relative time represented by the received data as indicating the absolute time that is offset after the first time by the respective relative time together optionally with a latency value; and determining in dependence on the received data the manner in which the communication support entity is to communicate wirelessly at that absolute time.

Abstract: A technique capable of improving the communication throughput while maintaining the interchangeability with a radio communication system or radio communication method employing carrier sense in a conventional multiple access system is disclosed and, on the basis of this technique, a radio communication terminal accommodating apparatus determines the allocation order of communication right permitting the occupation of a radio transmission medium with respect to each of a plurality of radio transmission terminals and transmits a multiple-polling signal 311 including information on this order to the plurality of radio communication terminals at an arbitrary transmission timing acquired through the carrier sense. Thus, each of communication right time periods (communication right time periods 312 to 314) for which the occupation of the radio transmission medium is permissible is allocated to each of the plurality of radio communication terminals.

Abstract: A method for performing a hybrid automatic repeat request (HARQ) by a relay station (RS) in a wireless communication system is provided. The method comprises performing HARQ with a mobile station (MS) by a fixed HARQ period; and performing HARQ with a base station (BS) by a HARQ period series, wherein the HARQ period series comprises a plurality of HARQ period series element (Xk,yk), where (Xk,yk) indicates that when data is transmitted in n-th subframe, an ACK/NACK signal is received in (n+xk)-th subframe and the data is retransmitted in (n+xk+yk)-th subframe when the ACK/NACK signal is a NACK signal, wherein at least one of xk and yk for one HARQ period in the HARQ period series is different from at least one of xk and yk for the other HARQ period in the HARQ period series.

Abstract: Various embodiments are presented of a time sharing electronic communication system, including a central unit, a crosstalk channel, and communication units such as transceivers and remote terminals. Also presented are various methods for configuring and operating the elements of such a system to enhance communication between communication units within the system. In some embodiments, locally optimal configurations are pre-computed, stored in memory, and processed into time sharing information which is communicated to communication units. The time sharing information allows the communication units to transmit at times and power levels in such a manner as to enhance the communication within the system. In some embodiments, locally optimal configurations are computed, stored, and processing, substantially dynamically, allowing substantially real time adjustment of transmission times and power levels to enhance the communication within the system.

Abstract: The communication system includes: first terminal devices connected to a transmission path and having terminal information; a second terminal device connected to the path and sending an information request requesting the information from the first terminal device; a first superimposing apparatus interposed between the first terminal device and the path; and a second superimposing apparatus interposed between the second terminal device and the path and receiving the request from the second terminal device. The first superimposing apparatus acquires the information from the connected first terminal device at predetermined timings and stores it. Upon receiving the request, the second superimposing apparatus sends the request to the first superimposing apparatus using a superimposed signal superimposed on a transmission signal transmitted via the path. Upon receiving the request, the first superimposing apparatus sends the information to the second superimposing apparatus using the superimposed signal.

Abstract: A system and method for enhanced physical layer device interface capability for backward support of fast retrain. The enhanced physical layer device is configurable in its leveraging of an identified legacy signaling mechanism. The identified legacy signaling mechanism can be used by the enhanced physical layer device to suspend transmission by the media access control device to facilitate the fast retrain.