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WO/2003/098852A1 |
According to the invention, one element (EC) in one of several orthogonal OVSF codes with at most 2BM elements is generated dynamically. A logic circuit (2, 3) provides an intermediary word (NC') having: low-order B bits which are identi...
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WO/2003/098916A2 |
A lightweight (Fig. 1), compact image projection module (10, 20), especially for mounting in a housing (10) having a light-transmissive window (60), is operative for causing selected pixels in a raster pattern to be illuminated to produc...
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WO/2003/098954A1 |
A method and apparatus for detecting a periodic message in a mobile communication system includes initiating, at a receiver, a reception of synchronization data a predetermined amount of time prior to a current periodic message. The pred...
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WO/2003/098956A1 |
An AICH control circuit (14) outputs, to an AICH generating circuit (3), RACH resource information from an RACH resource management circuit (13), SIR information from a finger part (4), error rate information from a decoding part (5), an...
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WO/2003/098855A1 |
A path search device and method, and an array antenna reception device using the same for receiving a DS-CDMA method signal by an array antenna unit consisting of a plurality of antenna elements so as to detect timing of the multi-path. ...
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WO/2003/096710A2 |
The invention includes several embodiments for slot assignment in CDM communication systems. Some of the embodiments relate to fixed beams (1-M) includes : assigning slots (TS1-TSN) by first detecting a beam having the best received qual...
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WO/2003/096589A2 |
Method and apparatus for performing midamble cancellation (14) to remove midamble interference from the convolution tail of data field (I) and the first W-1 chips of the midamble field which results from the delay spread of the multipath...
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WO/2003/096564A1 |
The invention relates to a Rake Demodulator for demodulating spread coded signals of a plurality of physical channels subject to multipath propagation of, said demodulator comprising at least one Multicode Rake Finger (10). Said Multicod...
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WO/2003/096557A1 |
A power calculation unit (105) calculates power of a transmission signal which has passed through transmission frame creation units (101a to 101c), modulation units (102a to 102c), spread units (103a to 103c), and a multiplexing unit (10...
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WO/2003/096731A1 |
When a base station (1) transmits data to a mobile station (2) by utilizing a shared channel (HS-DSCH), control information necessary for receiving the data is transmitted to the mobile station (2) by utilizing a predetermined control ch...
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WO/2003/096570A1 |
Establishment of a forward link traffic channel between one or more candidate base stations (104-1 to 104-N) and a mobile station (102) considers forward link quality such that the initial transmit power is set to a level that achieves a...
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WO/2003/094415A1 |
Methods and apparatus are presented for acknowledging broadcast transmissions. An acknowledgment channel is designed for acknowledging the success or failure of a transmission on a dedicated channel and on a broadcast channel. Acknowledg...
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WO/2003/094389A1 |
A method and apparatus for providing a service based on multiple data rates using scalability of a multimedia CODEC in an asynchronous code division multiple access (CDMA) communication system, which provides a multimedia broadcast and m...
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WO/2003/094361A2 |
A method of determining useable combinations of variables for transmitting a subpacket of an encoder packet in a communication system is disclosed. First, an arbitrary combination from a plurality of all combinations of transmission vari...
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WO/2003/094380A1 |
A device includes a request arbitration unit that (1) receives a number of requests for PN vectors from a number of processing units and (2) provides a control indicative of each request selected for processing. An address generator prov...
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WO/2003/092197A1 |
An OFDM (Orthogonal Frequency Division Multiplexing) communication system, which includes a transmitter for converting a serial data stream into parallel data, and segmenting the parallel data into a plurality of blocks having a pluralit...
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WO/2003/092212A1 |
In one embodiment, a method for generating an adaptive air interface waveform includes generating a waveform that includes a variable carrier frequency and variable bandwidth signal. The variable bandwidth signal includes one or more sub...
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WO/2003/092211A1 |
An integrated circuit arranged and constructed to determine an upper data rate for a variable data rate signal and method thereof includes a buffer, comparator, and combiner that are operable to compare a characteristic, such as an energ...
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WO/2003/092235A1 |
An apparatus and method provide for producing a multi-carrier signal at a reduced peak to average power ratio. A control system (401) determines a number of carriers in multi-carrier signal, determines chip time of a spreading sequence u...
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WO2003049226A9 |
Modulation codes for code division multiple access (CDMA) cellular communications systems that are mutually orthogonal may be generated as a sequence of Walsh codes. A method of assigning Walsh codes includes the steps of (404) receiving...
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WO/2003/090024A2 |
In a communication station, such as a UE or Node B of 3GPP system, where channelization coded signals are received on physical channels of at least one coded composite transport channel (CCTrCh) within timeslots of a system time frame, t...
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WO/2003/090379A1 |
A method of determining whether a wireless packet data service can be activated in a dormant state. To activate one of a plurality of packet data services in the dormant state, a BS transmits to an MS a Page Message containing an SR ID i...
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WO/2003/088541A1 |
This invention provides a spread spectrum coding method which has an intergroup zero correlation window characteristic. Compared with general zero correlation window code, if the size of intergroup zero correlation window code and the ge...
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WO/2003/088526A1 |
When a synchronism of a received signal is established, a communication apparatus (100) performs a transmission power control by use of a transmission power value determined by a transmission power control of a closed loop performed by a...
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WO/2003/088684A2 |
A system and method for estimating the power level of a signal received at a mobile-station receiver operating in a wireless network according to a CDMA standard. An Analog automatic gain controller (AGC) loop (320), a digital filter (33...
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WO/2003/088506A2 |
A system and method provides optimum wireless communication spreading code selection (110) such that communication channel interpath interference is minimized. In Direct-Sequence Spread-Spectrum, the autocorrelation properties of a sprea...
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WO/2003/088550A1 |
An arrangement and method for channel mapping in a UTRA TDD HSDPA wireless communication system by applying interleaving functions in first (530) and second (540) interleaving means to a bit sequence to produce symbols for mapping to phy...
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WO/2003/085861A1 |
A method for controlling outer loop power in which a target SIR is increased if an error is detected in a block error observation section and decreased if no error is detected in the block error observation, and a communication unit havi...
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WO/2003/084253A1 |
A system and method for providing inter-frequency and inter-system handovers. A terminal (20') includes at least one radio transceiver including P radio receivers (20) and at least one transmitter (16) with P being an integer and at leas...
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WO/2003/084256A2 |
The invention relates to a method for configuration of a compressed mode in a mobile radiocommunication system. Said method comprises a configuration of a compressed mode defined by means of the parameters for the compressed mode, said p...
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WO/2003/084271A1 |
Telecommunication systems comprising base stations (1) and mobile terminals (11) generate channelization codes like Orthogonal Variable Spreading Factor codes or OVSF codes defining channels used for communication between base stations (...
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WO/2003/081822A1 |
The present invention provide a coding method to create general spread spectrum sequence with zero correlation window, wherein general spread spectrum sequence with zero correlation window include binary codes at least in complex field. ...
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WO/2003/081792A1 |
A multi-channel transmitter (200) includes a first Transform Matrix (TM) (203) coupled to one or more input signals (217-219) for providing a plurality of output signals (221) each comprising a combination of phase shifted versions of th...
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WO/2003/081797A1 |
The present invention provide a coding method to create general spread spectrum sequence with zero correlation window, wherein general spread spectrum sequence with zero correlation window include binary codes at least in complex field. ...
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WO/2003/081791A1 |
A CDMA signal transmission power control method for appropriately compensating for a trouble of a transmission amplifying apparatus and a characteristic degradation thereof caused by distortion, without degrading the modulation performan...
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WO/2003/081799A1 |
A communication amount monitoring circuit (124) monitors a transmission buffer (123) to which communication data (122) is inputted, and determines whether the amount of the communication data is relatively large or small. In a case of a ...
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WO/2003/079562A2 |
A DDS circuit arranged to provide a selectable spread spectrum based output clock signal is described. The synthesizer includes a phase accumulator circuit, a reference clock source coupled to the phase accumulator circuit arranged to pr...
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WO/2003/079575A1 |
The velocity of a wireless communications device (WCD) (106) is estimated. In response to this estimate a power control command rate is determined. The WCD 106 transmits power control signals to a base station (102) according to the powe...
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WO/2003/079576A2 |
Method and apparatus for reducing interference in a wireless communication system when the source of interference is a deterministic component of the system. The method comprises the steps of receiving transmissions on a plurality of cha...
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WO/2003/079580A1 |
A CDMA communication apparatus wherein risk of performing a transmission power control based on control information including error is minimized to ensure reliability of system. In the apparatus, an overflow error detector (103) and a re...
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WO/2003/079601A1 |
Method and apparatus for reducing interference in a wireless communication system when the source of interference is a deterministic component of the system. In one embodiment, the receiver weights the transmitters according to when the ...
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WO/2003/077458A1 |
A method of constructing a TD-LAS system, comprises the step of: using the LAS code as spread spectrum multiple Address code; using the LA code and the LS code to perform the establishment of the network in cells; the radio frame constru...
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WO/2003/077444A1 |
Methods and apparatus for estimating maximum rate of data and for estimating a transmission power required for transmission of a data with a rate of data in a communication system are disclosed. A terminal determines a quality metric of ...
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WO/2003/077433A2 |
A method of managing the number of base station engaged in soft hand-off in a mobile communication system (fig. 3). The method involves manipulating a subscriber (200) based directional antenna (120) so as to control the number of base t...
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WO/2003/075487A1 |
The directivities during transmission are controlled in such a manner that the direction of S-CPICH (Secondary-Common Pilot Channel) and the direction of DSCH (Downlink Shared Channel) depart from each other. That is, the direction of a ...
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WO/2003/075514A1 |
A local-area network is provided where OFDM stations and DSSS/CCK-only stations coexist. A beacon signal having a contention-free-period (CFP) is transmitted from an access point to the plurality of said stations. The OFDM-modulated data...
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WO/2003/075515A1 |
A radio communication apparatus managing a network defines a predetermined transmission frame period, and allots, in that frame, particular access slots as timings at which radio communication apparatuses in the network perform reception...
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WO/2003/075598A1 |
A terminal information aggregation unit (104) determines whether to do hand-over based on a CIR value sent from a communication terminal device. An idle period setting determination unit (105) requests to set an idle period when the numb...
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WO/2003/073644A1 |
Method and apparatus for providing link quality feedback to a transmitter (32, 34). In one embodiment, a periodic link quality message is transmitted on a gated channel, while continuous differential indicators are transmitted. Between q...
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WO/2003/073670A1 |
A judging unit (101) informs, if it can secure a plurality of spreading codes, a user data separating unit (103) and spreading units (105−1 to 105−n) that codes are to be multiplexed. The user data separating unit (103) separates the...
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