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WO/2002/067478A1 |
A mobile communication system characterized in that the transmitting side adds a common pilot symbol and a known series to a data slot unit of a subcarrier group and that the receiving side carries out an averaging processing after combi...
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WO/2002/065675A2 |
A method and system that enables multiplexing a plurality of data streams onto one data stream based on data stream priorities, available transport format combinations (TFCs), and transmission time interval (TTI) constraints of transport...
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WO/2002/065734A1 |
A packet receiver unit sends a packet transmitter unit a first distinction signal showing whether to permit the transmission of the next data before the completion of the decoding process of the current received data and a second distinc...
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WO/2002/061972A1 |
Described is a satellite communication system 1 comprising a primary station 2, a communication satellite 3 and at least one secondary station 4. The primary station 2 transmits data signals 5 via the communication satellite 3 to the sec...
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WO/2002/060114A2 |
A multi−carrier filter for a wireless communications system employing a multi−carrier signal. The multi−carrier filter includes a first mechanism for receiving the multi−carrier signal and extracting carrier signal components A s...
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WO/2002/058300A1 |
A method for subcarrier allocation and loading for a multi-carrier, multi-subscriber system is described. At least one cluster (104) in a first and second set of clusters of subcarriers is associated for use in communication with a first...
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WO/2002/054537A1 |
Carrier Interferometry (CI) codes include families of orthogonal polyphase codes that have no length restrictions and can be used for direct-sequence and multicarrier coding. Quasi-orthogonal CI channel codes simultaneously improve proba...
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WO/2002/051075A2 |
The invention relates to a receiving unit for searching for at least one unused transmission channel in a communications device in a network of distributed stations and/or for monitoring transmission channels such that specific messages ...
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WO/2002/051048A2 |
Sub-channels are defined for a physical random access channel of a wireless time division duplex communication system using code division multiple access. The sub-channels carry information between system users and a system network. A se...
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WO/2002/037848A1 |
A method of transferring between communication channels of differing bandwidth, the method including the steps of: establishing data communications on a first channel, the first channel having a first bandwidth: in response to a trigger ...
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WO/2002/037705A1 |
A device for reducing effects of quarter-wave shorts caused by branched wiring on communications over a twisted-pair communication link. An external telephone wiring (38) is terminated at a network interface (NID) or junction box (12) lo...
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WO/2002/037722A1 |
A line fluctuation estimating unit (101) estimates a line fluctuation amount between a transmitting apparatus (100) and a receiving apparatus (200). A carrier number deciding unit (102) decides, based on the line fluctuation amount, the ...
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WO2001005134A9 |
An integrated line card for providing an analog termination for both POTS and xDSL signals that represent the appropriate impedances at xDSL frequencies for the xDSL signals and appropriate impedances at POTS frequencies for POTS signals...
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WO/2002/032009A1 |
A method of transferring information in units over a wireless digital communications link (30) between a transmitting station (20) and a receiving station (40) comprising the steps of: transmitting first information units at a first ener...
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WO/2002/017636A1 |
An HFC node and network with overlay architecture uses a transceiver. The transceiver is connected to a downstream signal that can sustain relatively high levels of distortion. This will generally be the quadrature amplitude modulated (Q...
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WO/2002/015468A1 |
A system provides multiple Internet connection by employing a filter (220,222), which selectively filters a transmission frequency band, on the data upstream in a cable network system. The system includes subscribers (114,214), cable mod...
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WO/2002/011334A1 |
A multicarrier CDMA communication device wherein the peak power of a multicarrier signal is lowered while preventing degradation of transmission efficiency. A serial/parallel converting section (101) converts transmission data of one sys...
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WO/2001/097412A2 |
Overhead information is transmitted from a first node to a second node in an optical fiber communications system using a separate frequency band. A control channel containing the overhead information if frequency division multiplexed wit...
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WO/2001/097487A2 |
Each node in the network broadcasts its unique identifier to the other nodes. Each node assigns a different network address to each of the nodes based on the unique identifier received from the node. However, each node assigns the networ...
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WO2000028712A9 |
A method for communicating information includes allocating a time slot in a time division multiple access system for a transmission from a subscriber to a headend which is sufficient for only a first portion of a transmission. A second p...
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WO/2001/093479A1 |
The present invention is related to a statistical multiplexing method and apparatus using a multi-dimensional orthogonal resource hopping multiplexing method in a wired/wireless communication systems where a plurality of communication ch...
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WO/2001/089119A2 |
In an optical communication network, a variable rate or non-uniform input rate signal is converted to a 'pseudo' signal comprising a uniform or standard data rate for the optical communication system. At the receiver, the original non-un...
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WO/2001/089079A2 |
An agile frequency converter and method employs an IF/RF exchange process to reduce the system noise generated by the frequency conversion process in generating a broadband composite signal. The converter employs a well-known two-stage f...
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WO/2001/086856A2 |
The scanning receiver spectrum analyzer system is a system for monitoring the spectrum of RF energy on the upstream cable plant for the purpose of operating a group of cable modems in frequency bands that are the most interference-free. ...
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WO/2001/084738A1 |
A paging system separately transmits high capacity data through at least two paging channels of limited transmission rates in order to provide the high capacity data in real-time. A pager receives and processes the paging frequency signa...
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WO/2001/080543A2 |
A local area network (60) within a residence or other building, including both wired (5) and non-wired segments (53). The wired segments are based on new or existing wires (5a, 5b, 5c, 5d, 5e) in the building, wherein access to the wires...
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WO/2001/080510A1 |
A multicarrier modem has a plurality of carriers over which data is transmitted. By assigning, one or more different margins to the individual carriers, the data rate and impairment immunity can be increased.
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WO/2001/078440A1 |
The present invention is directed to a digital wireless telecommunications system that includes a plurality of base station of differing spectral capabilities, and a plurality of remote stations capable of transmitting data to and receiv...
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WO/2001/076104A1 |
Line quality candidate generators (171-1 to 171-16) virtually increase (U) or decrease (D), in different patters, the transmission powers of lines (A to D), then combine the signals of those lines, and thereafter estimate the whole line ...
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WO/2001/076098A2 |
In some aspects, each cell in the communications system can be designed to operate in accordance with a set of back-off factors that identify the reductions in peak transmit power levels for the channels associated with the back-off fact...
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WO/2001/076086A2 |
A TM-UWB system that utilizes a multiple correlator receiver thereby enabling a scanning receiver, which precisely measures the impulse response of a channel and wherein measurements can be made out to the maximum communications range of...
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WO/2001/067637A1 |
A spot beam satellite communications system and method for delivering information to user terminals at a high data rate. In a hub, a high data rate serial data stream is separated into parallel data streams that are modulated onto respec...
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WO/2001/065692A1 |
An apparatus for frequency content separating an input signal, said apparatus comprising a plurality of frequency splitting stages, each stage including one or more up-converter and down-converter pairs, an up-converter and down-converte...
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WO/2001/065702A2 |
A modulation method for Frequency Division Duplex/Time Division Duplex (FDD/TDD) transceivers is provided. The invention eliminates the need for a burst mode controller for both FDD and TDD, as well as SAW bandpass filters and dielectric...
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WO/2001/062033A1 |
An assigning unit (101) assigns communication resources to communication terminals according to the transmit rate available for communication for each subcarrier of the communication terminal, instructs a buffer unit (102) to output down...
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WO/2001/050655A1 |
A multi-carrier CDMA transmission system for performing information multiplex transmission by copying information symbols and arranging them on a frequency axis, multiplying the copied information symbols by diffusion codes on the freque...
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WO/2001/043414A2 |
The invention relates to a low pass filter (7') which is adapted to a complex terminator wherein at least one inductor (17) is provided with a parallel-connected real resistor (18) in order to increase reflection dampening in the series ...
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WO/2001/043349A2 |
In packet-oriented communication networks the information to be sent is transmitted, from the transmitter to the receiver, in the form of packets. Herewith, essentially three medium access methods are used (TDMA, FDMA, CDMA). The current...
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WO/2001/041388A1 |
The invention relates to a method for transmitting data to be transmitted using a subscriber modem (14, 15, 16) of a subscriber access network (1) with adjusted transmission power. The method comprises the following steps: selection (S1)...
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WO/2001/037451A1 |
A system and method multiplexes voice and data to transfer data both in uplink and downlink communications during silence periods in a voice call or other communication having periods of detected inactivity. Multiplexed information, such...
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WO/2001/035591A2 |
A system and method that scrambles the phase characteristic of a multicarrier signal are described. The scrambling of the phase characteristic of each carrier signal includes associating a value with each carrier signal and computing a p...
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WO/2001/031917A1 |
The invention concerns a multiplexing device (20) for multiplexing HF signals, comprising an input (E¿1?) and at least two input-outputs (ES¿1?, ES¿2?). The invention is characterised in that the multiplexing device comprises at least...
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WO/2001/026248A1 |
The present invention encompasses a mobile station comprising: a transmitter for transmitting outgoing signals from the mobile station; and a receiver for receiving incoming signals, the receiver coupled to the transmitter and having N s...
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WO/2001/024471A1 |
A multiple channel signal processing circuit receives an input associated with a first channel and an input associated with a second channel. The respective inputs are sampled and processed by the circuit, which generates a sampled outpu...
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WO/2001/024464A1 |
An end-to-end system for transmitting and receiving non-voice data such as, for example, facsimile and voice data over a wireless link. The end-to-end system comprises a first station and a second station. The first station processes fac...
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WO/2001/024555A1 |
A radio section (1) and a control section (2) allow communications using two radio channels simultaneously, such as video phone communication and message communication. An LCD (33) displays information concerning each communication simul...
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WO/2001/022634A1 |
A coder (101) codes transmission data, and a modulator (102) modulates the output signal from the coder (101). A coder (103) codes a pilot signal, and a modulator (104) subjects the output signal from the coder (103) to primary modulatio...
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WO/2001/020865A1 |
A transceiver and method for communicating over a communications channel having a plurality of subchannels are described. In particular, the transceiver is capable of dynamically switching between communicating data for a first active ap...
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WO/2001/020864A1 |
A system and method for supporting multiple applications are described. A digital subscriber line system includes two transceivers in communication over a communication channel using multicarrier modulation. Application profiles are defi...
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WO/2001/017311A1 |
A system and method for allocating one or more portions of the frequency spectrum among a plurality of radio frequency (RF) transmitters and/or receivers. The system comprises a hub station that dynamically allocates the frequency spectr...
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