Abstract: A method and information processing system are provided for dynamically encoding a control channel for transmitting messages to a wireless device based on performance capability information associated with the wireless device. The method includes determining that a wireless device (104) has registered with a base station (116). A device profile (128) associated with the wireless device (116) is retrieved from a register (122). A set of performance capabilities associated with the wireless device is determined (408) in response to the retrieving. A coding type for a control channel for sending messages to the wireless device (104) is determined (410) based on the set of performance capabilities associated with the wireless device (104).

Abstract: A wireless system may receive a plurality of multipath signals from a plurality of transmitters and sequentially process each of a plurality of data symbols in the received multipath signals utilizing a plurality of shared hardware modules within a chip. Desired information may be recovered from data transmitted by one or more of the transmitters utilizing the interference suppressed signal. Chips of data may be cell combined utilizing one or more of shared hardware modules. The shared modules may include channel rotation modules and sum and difference modules. One or more fast Hadamard transforms and/or inverse Hadamard transforms may be performed utilizing shared hardware modules. Data symbols may be interpolated, scrambled, descrambled, and/or weighted and added back utilizing the shared hardware modules.

Abstract: A method of allocating channels in a user equipment is disclosed. In particular, a method of allocating a plurality of Dedicated Physical Channels (DPCHs) and Enhanced Dedicated Channels (E-DCHs) in a user equipment of a multicode transmission system. The method includes determining whether a High Speed Downlink Shared Channel (HS-DSCH) is configured for the user equipment (UE) and determining a number of codes used by the DPCH and the E-DCH. The method further includes allocating the DPCH and the E-DCH channels to an I branch or a Q branch based on the number of codes used by the DPCH and the E-DCH and the HS-DSCH configuration.

Abstract: The present invention is a hybrid RF-digital signal processor-based filter for multiband radio architectures, systems capable of spectrum re-farming and software defined radios It performs low-loss frequency agile multiple notch filtering at RF where a large dynamic range exists at a filter input between signals in a stopband and passband It is a frequency dependent signal attenuation apparatus having two paths connected together by directional couplers The first path comprising a component such as a delay component or duplexer The second path comprising, in series, a down converter, a digital filter, an up converter, and a bandstop filter At the output of a power amplifier, the invention can be used to attenuate spurs, or noise within bands with strict emission constraints At the input of a low noise amplifier, the invention can be used to attenuate blockers and transmitter noise outside of the receiver passband.

Abstract: Efficient utilization and management of integrated mobile base station carrier trees is provided herein. Such trees provide an organizational structure for allocating calls in a code division, tone division, time division and/or like mobile infrastructure. Calls can be allocated to portions of the carrier tree as a function of characteristic(s) associated with the call. Accordingly, like calls are grouped within the carrier tree with like calls. In addition, portions of the carrier tree can be re-allocated to different types of traffic to meet fluctuations in traffic demand. Further, calls can be re-packed from existing segments of the carrier tree to other segments to maintain calls having common characteristics in contiguous groups, and to maintain idle segments another contiguous group(s). Accordingly, the wireless carrier tree can be packed and managed more efficiently, providing greater throughput and reduced contention for resources.

Abstract: A wireless communication apparatus has a transmission unit that transmits a transmit signal in a condition where either acknowledgement or negative acknowledgement is set therein, a reception unit that receives a response signal in response to the transmission signal, a counter that counts the number of times the reception unit has not received the negative acknowledgment signal in response to the transmission signal in which the negative acknowledgement is set, and a control unit that causes the transmission unit to set the negative acknowledgement if a count value of the counter is less than a predetermined value and, if the count value is equal to or larger than the predetermined value, causes the transmission unit to set the acknowledgement.

Abstract: Aspects of a method and system for frequency-shift based PCB-to-PCB communications may include, in a PCB comprising one or more receivers and one or more transmitters, adjusting one or more modulation frequencies and utilizing the adjusted modulation frequencies to generate transmit signals by the one or more transmitters based on received and/or generated modulation control information. One or more demodulation frequencies may be adjusted and utilized to generate intermediate frequency signals by the one or more receivers based on received and/or generated demodulation control information. The modulation control information and the demodulation control information may be received via a communication device comprising the PCB. The modulation control information and demodulation control information may be received on a link operating in a frequency band different from the transmit frequencies and the receive frequencies.

Abstract: The present invention provides for wireless terminal and a method in a wireless terminal for use in a location determination approach using time of arrival estimates between the wireless terminal and a plurality of base stations in a cellular network. The method includes receiving assistance data from a serving base station for use in receiving a position reference signal used to determine a time of arrival of one or more respective position reference signals from the plurality of base stations relative to a time reference, wherein the assistance data includes a list of base stations, each base station included in the list to be one of used or excluded from use as part of the plurality of base stations for receiving the position reference signal and determining the time of arrival estimate for the received position reference signal.

Abstract: A method and device for managing a reference oscillator within a wireless device is presented. The method includes selecting reference oscillator parameters associated with the lowest reference oscillator error, where the selection is based upon reference oscillator parameters derived using different technologies within a wireless device, acquiring a satellite based upon the selected reference parameters, determining the quality of the satellite-based position fix, and updating the reference oscillator parameters based upon the quality of the satellite-based position fix.

Abstract: Embodiments related to acquisition, detection, and processing of a high-frequency signal are described and depicted.

Abstract: A method of reducing error in transmissions received in a receiver is provided. A transmission containing a synchronization signal is inputted through a first filter to a synchronization correlator, to generate a timing error of the synchronization signal. An amount of delay of the synchronization signal sufficient to reduce the timing error is determined. The transmission is delayed by the amount of delay by being passed through at least a second, variable filter whose delay is determined using a stochastic gradient algorithm. The synchronization correlator may also generate a deviation error of the synchronization signal and determine an amount of deviation correction sufficient to reduce the deviation error as well as generating a frequency error of the synchronization signal and determining an amount of frequency correction sufficient to reduce the frequency error.

Abstract: Disclosed are an apparatus and method for constant amplitude encoding of a transmission signal in a CDM (Code Division Multiplexing) communication system. The apparatus for constant amplitude encoding of a transmission signal includes: an encoding module sequentially performing horizontal encoding and vertical encoding on an input signal; and a spreading and multiplexing module spreading the signal which has been encoded by the encoding module and multiplexing the spread signal in a vertical direction to output a data stream having a constant amplitude.

Abstract: Examples are disclosed for transmitting and receiving schemes for multiuser single-carrier space time spreading (STS) with frequency domain equalization.

Abstract: A baseband processing module includes an RX interface, a rake receiver combiner module, and may include additional components. The RX interface receives the baseband signals from an RF front end and creates baseband RX signal samples there from. The rake receiver combiner module includes control logic, an input buffer, a rake despreader module, and an output buffer. The rake despreader module is operable to despread the baseband RX signal samples in a time divided fashion to produce channel symbols including pilot channel symbols and physical channel symbols.

Abstract: A method of allocating radio resources in a multi-carrier system is disclosed, by which a signaling message can be efficiently transmitted according to necessity of a user equipment. In a user equipment of a mobile communication system transceiving data using a plurality of subcarriers, the present invention includes the steps of if the signaling message to be transmitted is generated in the user equipment, generating a preamble sequence according to a user equipment identifier to identify the user equipment, transmitting a preamble signal including the preamble sequence and the signaling message to a base station, and receiving an acknowledgement signal for the preamble signal generated according to the user equipment identifier.

Abstract: This invention relates to a method for simulation of a computer system (10), for example for an aeronautical simulation application, comprising a hardware infrastructure (HW) and a software portion (SW). The method comprises: the modeling (E100) of the said hardware infrastructure (HW) in a plurality of schedulers (11-14) capable of simulating the successive execution of tasks (15, 40, 40?), the modeling (E110) of the said software portion (SW) in a plurality of initial tasks (15) comprising accesses to resources of the said hardware infrastructure (HW), the simulation (E130) of the initial tasks (15) comprising the software propagation of simulated accesses through schedulers (11-14) of the said modeled infrastructure (HW), the said propagation being carried out in the form of transactions (50) between pairs of schedulers (11-14), a transaction (50) comprising a task (40, 40?) on each scheduler and an indication of precedence (40?) linking the two tasks (40, 40?).

Abstract: A technique for a time division multiplex system in which access to shared broadcast communication media is granted on a demand basis. Particular connections are assigned slot times at the transmitter based on demand. However, no specific information regarding the assignment of time slots need be communicated to the receivers. The transmit side employs a forward error correction technique followed by multiplication by a cover sequence unique to each connection. All receivers listen to the broadcast transmission channel all of the time. The receiver assigned to each connection decodes the signals in such a manner that only the receiver with the correct cover sequence assigned to a particular connection will successfully decode the data associated with that connection. Data frames that fail the forward error correction process are discarded, and only those frames which are successfully decoded are passed up to a higher layer.

Abstract: A description is given for a method for operating a wireless multichannel CDMA transmitter, wherein a power metric based on a particular signal configuration is determined, the power metric being determined as a function of power weighting factors used in the channels of the particular signal configuration, and wherein the transmitter output power is adjusted based on the power metric.

Abstract: Systems and methods are disclosed herein to use sieving to reduce the number of hypotheses and the length of time for acquisition of GPS satellite signals. In sieving, hypothesis testing is performed after a short non-coherent integration duration on a first set of hypotheses. At the end of the non-coherent integration time, multiple candidate hypotheses having high likelihood of signal detection are identified. Further non-coherent integration of each candidate hypothesis is performed by using a tracking loop to remove Doppler frequency and code phase variations on the signal. In parallel, additional hypotheses testing is performed on a second set of hypotheses. At the end of the next non-coherent integration time, the best candidate hypotheses among the candidate hypotheses sieved from the first set of hypotheses running in the tracking loops and the candidate hypotheses from the second set of hypotheses are identified.

Abstract: Systems and methods for code-division multiplex communications. The methods involve forming orthogonal or statistically orthogonal chaotic spreading sequences (CSC1,1, CSCD,1), each comprising a different chaotic sequence. The methods also involve generating an offset chaotic spreading sequence (CSC1,2, CSC1,3, . . . , CSC1,K(1), CSCD,2, . . . , CSCD,K(D)) which is the same as a first one of the orthogonal or statistically orthogonal chaotic spreading sequences, but temporally offset. Spread spectrum communications signals (SSCs) are each respectively generated using one of the orthogonal or statistically orthogonal chaotic spreading sequences. Another SSC is generated using the offset chaotic spreading sequence. The SSCs are concurrently transmitted over a common RF frequency band.

Abstract: A bandwidth recovery method for a communication system includes: transmitting a first uplink scheduling message to at least a first communication node and a second communication node of a plurality of communication nodes in the communication system; detecting if a communication channel is in an idle state after a first transmission start time; then, transmitting a second uplink scheduling message to the plurality of the communication nodes when the communication channel is found to be in the idle state after the first transmission start time.

Abstract: The present invention relates to an antenna and radio arrangement comprising at least a first antenna and a second antenna, each having a first antenna port and a second antenna port, the arrangement further comprising at least four first transmitting means, where the first antenna's first antenna port is connected to a first transmitting means, the first antenna's second antenna port is connected to a second transmitting means, the second antenna's first antenna port is connected to a third transmitting means, and the second antenna's second antenna port is connected to a fourth transmitting means. At least two transmitting means transmit signals to the corresponding antenna ports, said signals being modulated by the same stream of digital signals and having the same radio carrier frequency, thus accomplishing a spatial combining of the output signals. The present invention also relates to a corresponding method.

Abstract: Determining a frequency offset of a received signal utilizing two or more multipath components of the received signal is provided herein. By way of example, the received signal can be correlated with a synchronization sequence in a time domain or a frequency domain, resulting in separation of the two or more multipath components of the received signal. Analysis of at least one of the multipath components can provide a frequency offset of the received signal. Furthermore, by analyzing the multipath components, estimation of the frequency offset can be improved as compared with single-signal analysis techniques.

Abstract: The present invention relates to methods and arrangements for controlling uplink transmit power to be used by the UE. The UE comprises multiple radio interfaces wherein at least one of the multiple interfaces is a cellular radio interface. The UE stores information comprising a total transmit power budget set aside for use over the multiple radio interfaces of the UE and receives transmit power control commands from a network node on the cellular radio interface indicating whether the UE should increase or decrease or maintain the uplink transmit power on the cellular radio interface. Transmit power levels to be used for uplink transmissions over the multiple radio interfaces based on the received transmit power control commands are calculated, wherein the said total transmit power budget for the multiple radio interfaces is taken into account.

Abstract: An access point for establishing wireless connection with one or more wireless communication stations which can perform intermittent reception operation, based on a packet transmission system which allocates wireless bands by CSMA/CA, has: unit for describing, in a same packet or in respective packets, buffering information on a downlink packet addressed to a subordinate wireless communication station currently in an intermittent reception state, and transmission prohibition period information indicating a period where transmission from the subordinate wireless communication station is prohibited; unit for transmitting the instruction described packet, in which the description has been made, to the subordinate wireless communication station; unit for making a state of the access point transit to a Doze state immediately after the instruction described packet is transmitted, or when a predetermined number of downlink packets are transmitted; and unit for making a state of the access point transit to an Awake s

Abstract: A method of allocating radio resources in a multi-carrier system is disclosed, by which a signaling message can be efficiently transmitted according to necessity of a user equipment. In a user equipment of a mobile communication system transceiving data using a plurality of subcarriers, the present invention includes the steps of if the signaling message to be transmitted is generated in the user equipment, generating a preamble sequence according to a user equipment identifier to identify the user equipment, transmitting a preamble signal including the preamble sequence and the signaling message to a base station, and receiving an acknowledgement signal for the preamble signal generated according to the user equipment identifier.

Abstract: A method and system for interference cancellation (IC). One aspect relates to traffic interference cancellation. Another aspect relates to joint IC for pilot, overhead and data. Another aspect relates to improved channel estimation. Another aspect relates to adaptation of transmit subchannel gains.

Abstract: The present invention relates to methods and arrangements for uplink retransmissions from a user equipment to a radio base station in a UTRAN with enhanced uplink. The UE transmits a subframe comprising physical control channel(s) and physical data channel(s) in an initial transmission. According to the present invention, one or more of the physical control channels are transmitted with a lower transmission power level in all or some of the retransmitted subframes in the uplink. This results in reduced control overhead (a smaller part of the transmission power resource is used for control signaling) and thus reduced interference from the overhead. At the same time, the transmission power resource no longer used for the physical control channel information, can be used to increase the transmission power level of the physical data channel information in these retransmitted subframes, which improves the uplink coverage.

Abstract: Techniques for deriving channel estimates with different channel estimation filters are described. In one scheme, a filter selection metric is determined for a signal to be recovered, a channel estimation filter is selected based on the filter selection metric, and a channel estimate is derived with the selected channel estimation filter. In another scheme, a first channel estimate is derived with a first channel estimation filter having a first filter response, a first signal is recovered with the first channel estimate, and interference due to the first signal is estimated and removed. A second channel estimate is derived with a second channel estimation filter having a second filter response that is different from the first filter response.

Abstract: There is provided a processor for a base station control unit, the base station control unit being associated with a plurality of antennas; the processor comprising a plurality of processing streams, each stream being suitable for generating signals for at least one user in a plurality of users; wherein any of the processing streams can be used to generate the signals for any user in the plurality of users and for transmission by any antenna in the plurality of antennas.

Abstract: In a signal processing apparatus a synchronizer acquires synchronization with the spreading code of an intermediate frequency signal converted from a signal received from a satellite in a global positioning system. A demodulator then demodulates a message contained in the intermediate frequency signal. A measuring unit outputs a primary signal to a predetermined signal line, the primary signal expressing positioning results for the apparatus as measured on the basis of the demodulated message. A secondary signal output unit attaches a predetermined header to a secondary signal and outputs the result to the predetermined signal line, the secondary signal containing at least the intermediate frequency signal, or a signal generated from the intermediate frequency signal.

Abstract: Alignment-enabled secondary nodes of a DAMA network monitor the alignment of for-transmission data as it is received, and actively align the data frames into encoded blocks such that the number of blocks occupied by encoded data resulting from an unencoded datastream of a particular length is predictable rather than variable. In some embodiments, the network is an Ethernet passive optical network and the alignment includes aligning a XGMII word having a start control code to a first position in a 72 bit word input to a 66B/66B encoder, thereby encoding a start-of-frame (/S/) code to a first byte of an encoded first Ethernet 66b block.

Abstract: A system and method for improving efficiency of satellite communications is described. In one embodiment, multiple return links are associated with a single forward link to reduce communications costs.

Abstract: A method for allocating a downlink control channel in a fractional frequency reuse (FFR) system, includes: dividing a service frequency band of the system into a plurality of frequency partitions including a first frequency partition corresponding to a first frequency reuse factor, a second frequency partition corresponding Kth frequency reuse factor, and a third frequency partition; setting a transmission power level for each of the plurality of divided frequency partitions; allocating a downlink common control channel including non-user specific (NUS) control information common to every user to a particular frequency partition corresponding to the highest transmission power level among the set transmission power levels; and transmitting the NUS control information through the particular frequency partition.

Abstract: An improved method for conveying data and synchronization information in a telecommunication system is disclosed. The method uses a cyclically permutable code, to which a repetitive structure has been imposed, for carrying the data and synchronization information. The decoding procedure at the receiver then uses this repetitive structure of the code to reduce complexity by first evaluating, by use of hypotheses Hx, the repetitive codeword structure of received codewords and choosing a hypothesis corresponding to the repetitive codeword structure. Then the decoding procedure performs diversity combining of codeword elements of the codewords in accordance with the chosen hypothesis. The received codewords are further detected by comparing the diversity combined codeword elements to all possible codewords fulfilling the hypothesis.

Abstract: Traffic management reports are created by providing vehicle sensor devices at different location in a region. Each device captures data of vehicles that pass the device. The vehicle data is communicated to a central computer database. At the central computer database, a user interface selects one or more criteria from a plurality of criteria for filtering the vehicle data. Traffic management reports are then automatically created from the filtered vehicle data using the selected criteria.

Abstract: A disclosed transmission apparatus comprises a switching portion that switches radio access methods; a frequency domain signal generation portion that allocates a radio resource to a spread chip sequence on which one of a fast Fourier transformation and a series/parallel conversion is performed in accordance with the switched radio accessed method, so as to generate a signal in a frequency domain; and a transmission signal generation portion that performs a fast inverse Fourier transformation on the signal in the frequency domain so as to generate a transmission signal.

Abstract: A method of transmitting a control signal in a wireless communication system includes allocating a first sequence to spread a first control signal in a radio resource, allocating a second sequence to spread a second control signal in the radio resource, selecting one of the first control signal and the second control signal, generating a spread control signal by spreading the selected control signal, and transmitting the spread control signal in the radio resource, wherein the first sequence and the second sequence use different cyclic shifts of a base sequence.

Abstract: A communication system has a base station having an adaptive antenna with a plurality of main array antenna elements for generating a plurality of communication beams. The system further includes a gateway station coupled to the base station. The gateway station forms a plurality of beams commands by communicating plurality of a control signals to the base station to form the communication beams.

Abstract: To generate a pulse for ranging, a kernel is convolved with a spreading sequence. The spreading sequence is parametrized by one or more ordered (length, sparsity) pairs, such that the first sparsity differs from the bit length of the kernel and/or a subsequent sparsity differs from the product of the immediately preceding length and the immediately preceding sparsity. Alternatively, a kernel is convolved with an ordered plurality of spreading sequences, all but the first of which may be non-binary. The pulse is launched towards a target. The reflection from the target is transformed to a received reflection, compressed by deconvolution of the spreading sequence, and post-processed to provide a range to the target and/or a direction of arrival from the target.

Abstract: The present invention is a hybrid RF-digital signal processor-based filter for multiband radio architectures systems capable of spectrum re-farming and software defined radios. It performs low-loss frequency agile multiple notch filtering at RF where a large dynamic range exists at a filter input between signals in a stopband and passband. It is a frequency dependent signal attenuation apparatus having two paths connected together by directional couplers. The first path comprising a component such as a delay component or duplexer. The second path comprising a bandstop filter connected to a down converter, a digital filter, and an up converter. At the output of a power amplifier, the invention can be used to attenuate spurs, or noise within bands with strict emission constraints. At the input of a low noise amplifier, the invention can be used to attenuate blockers and transmitter noise outside of the receiver passband.

Abstract: A method, and a VSAT capable of being configured for such a method, of configuring a VSAT, the steps of which are setting, while an outdoor unit of the VSAT is at a configuration location, a maximum value of the adjustable gain of the up-converting device and transmitting, from an operating location that is separate from the configuration location, transmission signals to the satellite at the transmission frequency and with a gain value of at most the maximum value of the adjustable gain set at the configuration location.

Abstract: The present invention is generally directed to systems and device for monitoring remote device with a wireless, dual-mode communication protocol. As such, a representative embodiment is a system for monitoring and controlling remote devices. The system includes a first and a second remote device; and a first and a second wireless transceiver integrated with the respective remote devices. The wireless transceivers are configured to communicate with at least one of a spread-spectrum communication protocol and a fixed-frequency communication protocol.

Abstract: A base station apparatus is disclosed that is capable of communicating with a user equipment terminal using a shared channel in downlink and controlling transmission power of a control channel reporting identification information of the user equipment terminal receiving the shared channel and a transmission format of the shared channel. The base station apparatus includes a transmission power control unit configured to control the transmission power of the control channel based on downlink radio quality information reported from the user equipment terminal and an offset value determined based on communications quality of the control channel.

Abstract: A system and method for wireless communication includes multiplexing an EUDC downlink control channel so that it is transmitted like a downlink dedicated channel (DL-DPCH). The EUDC downlink control channel can be multiplexed with the DL-DPCH by code or by both code and time. The EUDC downlink control channel may be multiplexed with a downlink dedicated physical data channel (DL-DPDCH), a downlink dedicated physical control channel (DL-DPCCH), or both. In one embodiment, the EUDC downlink control channel is multiplexed by adding a multicode channel to a current DL-DPCH and treating the EUDC downlink control channel as a dedicated channel with power control functionality.

Abstract: A user apparatus which performs, when there is a change in a cell visited, a re-selection of a cell to camp on is disclosed. The user apparatus includes a tracking area ID determining unit which determines whether a new ID of a tracking area that is transmitted from one or more base station apparatuses matches a tracking area ID of a cell visited immediately before the cell re-selection; and a paging reception unit which conducts a paging reception using a paging parameter in the cell visited immediately before the cell re-selection when it is determined that the new ID of the tracking area matches the tracking area ID of the cell visited immediately before the cell re-selection.

Abstract: For transmitting a common channel signal with characteristics with an approximated non-directivity, the common channel signal for all users is divided into sub-channel signals, corresponding to a number of antenna elements composing an array antenna, to be concurrently transmitted with non-directivity by using each antenna element. Individual channel signals, for each user, following the common channel signal with a desired directivity by using the antenna elements. Each sub-channel signal can be made a sub-channel signal obtained by dividing all sub-channel components composing the common channel signal for each sub-channel component by a predetermined number or dividing them depending on a receiving quality of each antenna element.

Abstract: A wireless is registered in a first wireless router by storing information in the first wireless router, a message is created comprising a unique identifier for the wireless device and a unique identifier for the first wireless router; the message is transmitted to at least one second wireless router.

Abstract: A bit rate processor in a wireless system includes a front end processor to process physical channel data and to generate encoded transport channel data, a transport channel buffer to hold the encoded transport channel data, and a back end processor to process the encoded transport channel data from the transport channel buffer and to generate decoded transport channel bits. The front end process may include a frame buffer that receives the physical channel data, a first stage to de-map the physical channel data, an intermediate frame buffer that receives the de-mapped physical channel data, and a second stage to process the de-mapped physical channel data and to provide the encoded transport channel data. The back end processor may include a third stage, including a scaling circuit to scale the encoded transport channel data, a decoder to decode the scaled transport channel data, a CRC checker and an output buffer.

Abstract: A method for effectively allocating a transmission power and a method for transmitting SCH are disclosed. In this case, the transmission power of the SCH, which is important for initial cell search of the user equipment, is increased but is not allocated to a predetermined frequency region within one OFDM symbol to obtain the increased transmission power, thereby minimizing an influence on transmission of other channels within one OFDM symbol.