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7254159 |
High-frequency wireless peripheral device with auto-connection and auto-synchronization
A system and method for the automatic establishment of a connection between a human interface device and a host transceiver unit, wherein the system includes a host transceiver unit configured to...
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7254121 |
System and method of controlling assignment of a call on a reverse supplemental channel in a mobile communication system
A system and method for supplemental channel (SCH) assignment control in a Code Division Multiple Access (CDMA) mobile communication system. Upon request of a Mobile Station (MS) for a SCH, a...
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7254124 |
Methods, apparatus and computer program products for controlling a reverse link traffic channel code responsive to detection of a duplicate terminal identity
According to some embodiments of the present invention, a reverse link traffic channel code used by a terminal accessing a CDMA wireless communications system is controlled responsive to...
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7254162 |
CDMA receiver performing a path search, path search method, and program therefor
In a path search method, all regions of a delay profile subject to peak detection are divided into a plurality of regions, and a control is performed so as to assign a searching frequency to each...
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7254125 |
Receiving apparatus and method of detecting top path in delay profile
Using midambles, tracking delay profile creator 107 opens correlation windows in the range of 8 chips before and behind the top path and creates delay profiles within this range. From the delay...
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7254187 |
Narrow band chaotic bi-phase shift keying
A system and method for signal transmission and reception by narrow band chaotic bi-phase shift keying includes a forward error correction encoder for receiving input data, a data packetizer in...
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7251239 |
Code division multiple access systems using a queue for each spread coefficient and method for controlling transmission line correction timing of the system
A CDMA system includes first and second correlators, a delay buffer, a transmission-line correcting section, and a transmission-line estimating section. The delay buffer is supplied with the data...
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7251230 |
CDMA mobile communication system and communication method
A radio communication system having a base station and a plurality of radio terminals, wherein each radio terminal having a transmission request transmits a reservation packet at arbitrary timing...
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7248559 |
Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
A method and apparatus are provided for reducing the number of pilot symbols within a MIMO-OFDM communication system, and for improving channel estimation within such a system. For each...
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7248837 |
Method and apparatus for controlling power of radio links
A method is provided for controlling power of radio links, particularly a method for controlling transmit power of a terminal in soft handover. This may include a process for setting transmit power...
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7245601 |
Method and devices for operating a radio-based telecommunications system
For radio transmission on the downlink the transmit power must be calculated also for that signals which shall be sent on the common physical channel, known as secondary common control physical...
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7245598 |
Feedback of channel quality information
Methods and apparatus are presented for improving the feedback of channel information to a serving base station, which allows a reduction in the reverse link load while allowing the base station to...
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7245653 |
Method of tracking finger assignment
A system for reassigning a plurality of tracking units of a wireless receiver, for receiving a plurality of multipath signals in a predetermined time period to reconstruct correspondingly an...
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7245600 |
Method and apparatus for determining reverse link load level for reverse link data scheduling in a CDMA communication system
In a communication system ( 100 ), a method and apparatus provides for determining reverse link load level for reverse link data rate scheduling. The method and apparatus include determining a...
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7245931 |
Method and system for using common channel for data communications
A method and system is provided for controlling data transfer using a short data burst mechanism between a mobile station (MS) and a base station (BS). After identifying that a short data burst...
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7242908 |
Method and arrangement for channel estimation in a wireless communication system
A method and arrangement ( 100 ) for PRACH burst channel detection in a UTRA TDD wireless communication system in which training sequences are constructed from a single periodic base code. Unwanted...
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7242976 |
Device and method for selecting codes
According to the present invention, a code selection device wherein, an unused spreading code, or one of a plurality of unused spreading codes, is selected for allocation to a new communication...
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7242675 |
Remote terminal spread spectrum CDMA subtractive interference canceller
A spread-spectrum code division multiple access interference canceller employed by a remote terminal for reducing interference in a direct sequence CDMA receiver having N chip-code channels. The...
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7239621 |
Physical channel relation system/method for use in cellular telecommunications network
In a cellular telecommunications network, a base station (BS) utilizes parameter(s) included in a received transport channel setup message (e.g., in a received COMMON TRANSPORT CHANNEL SETUP...
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7239632 |
Method and apparatus for converging local area and wide area wireless data networks
A converged network accessible by wireless client devices includes a wide area wireless network, a local area wireless network, and a gateway linked to the wide area and local area wireless...
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7239610 |
Methods and devices for partial upper layer frame loss detection based retransmission
The present invention is aimed at techniques for detecting the “partial loss” of an upper layer frame. One technique envisions a detection platform adapted to determine whether a packet is a...
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7239604 |
OVSF code system and methods for CDMA stations
A code indexing system for a CDMA communication station that uses orthogonal variable spreading factor (OVSF) codes has a single number mapped to each code. The new code number itself not only...
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7239616 |
Signal analyzer and method for displaying power levels of code channels with orthogonal transmit diversity
A signal analyzer and a method for displaying power levels of code channels of a CMDA signal sent with orthogonal transmit diversity (OTD) via at least one of at least two antennae is described....
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7236785 |
Seamless handoff system and method
A multicellular communications system where transmission between a roving subscriber and multiple base station transceivers is maintained throughout the territory. Each mobile subscriber unit has...
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7236516 |
RAKE receiver device
A RAKE receiver device includes a plurality of fingers for demodulating multipath receive data, and a data synthesis circuit for synthesizing the receive data from each of the paths and demodulated...
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7236480 |
Method of first interleaving of a two interleaver transmitter
The present invention involves padding the bit sequence in the first interleaver. The present method adds to an end of the bit sequence a sufficient number of padding bits L to permit modulus 16 ...
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7233627 |
Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter
A method for synchronizing a CDMA receiver to a transmitter when an adaptive antenna is utilized to receive transmitted data, wherein a receiving antenna system is adapted between a 360° reception...
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7233585 |
Wireless communication method
A cellular wireless communication network system having a plurality of base stations ( 1 ) and a plurality of mobile stations (#i) (i is an integer from 1 to N) is provided in which communication...
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7233615 |
Timing correcting device and timing correcting method
In the timing correcting device, a RAKE path detecting circuit 1 detects a plurality of path candidates to be tracked, from a reception signal, and outputs a “timing of a path” and a...
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7233586 |
Procedure for the determination of the length of a standard code sequence of a CDMA signal
Procedure for determining length (L preamble ) of a standard code sequence (preamble) transmitted in a CDMA signal in a defined code channel having a different code class than the code class of the...
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7233614 |
CDMA receiving apparatus and method
The present invention provides a CDMA receiving apparatus capable of corresponding to the service types of data and system conditions flexibly and efficiently, so as to achieve such processing for...
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7231223 |
Push-to-talk call setup for a mobile packet data dispatch network
A proactive speculation method decreases the call setup time for private calls ( 200 ) and selective dynamic group calls ( 300 ). In a push-to-talk dispatch network ( 40 ) an originating mobile...
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7231184 |
Low overhead transmit channel estimation
A transmit channel (g t1 , h, g r2 ) through which a first wireless communication transceiver is to transmit to a second wireless communication transceiver can be estimated using information...
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7230936 |
System and method for data packet transport in hybrid wireless communication system
Computer data is transferred between a CDMA radio access network and a GSM core infrastructure using a switch that acts on the CDMA side as a packet data serving node (PDSN) element and on the GSM...
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7230941 |
Preamble channel decoding
Rather than attaching a preamble to a data traffic subpacket, a preamble channel is transmitted along with a traffic channel. In a system wherein the data traffic subpackets are variably sized,...
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7230976 |
Pre-corrupting reference signals with inter-symbol interference
In one embodiment, an apparatus includes a correlator unit that generates a set of correlator outputs and a codeword selector coupled to the set of correlator outputs to determine a received...
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7230938 |
Method employed by a base station for spread spectrum CDMA subtractive interference cancellation
A spread-spectrum code division multiple access interference cancellation method for a base station reduces interference in a direct sequence CDMA receiver having N chip-code channels. The...
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RE39673 |
Method of providing burst timing for high-speed data transmission in a base station transceiver system of a mobile communication system
A method of establishing a supplemental channel (SCH) to provide burst timing for high-speed data transmission in a mobile communication system is disclosed. In the SCH establishing method, a...
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7227854 |
Apparatus and method for transmitting CQI information in a CDMA communication system employing an HSDPA scheme
A user equipment (UE) located in a soft handover region transmits channel quality indicator (CQI) information bits for informing a Node B of quality of a downlink channel through a CQI field and a...
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7227884 |
Spread-spectrum receiver with progressive fourier transform
A receiving system dynamically searches the communications band for transmissions of messages having the same nominal communications parameters, including the use of the same spreading code, but...
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7227836 |
Rate control device and method for CDMA communication system
A traffic channel transmission device for a CDMA communication system using a plurality of coding rates and orthogonal codes, determines a present channel condition and adaptively selects a coding...
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7227849 |
Implementation of multiple simultaneous calls in a mobile communication system
The invention relates to implementation of multiple simultaneous calls for a mobile station in a mobile communication system. A common traffic channel (TCH) is allocated to several simultaneous...
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7224760 |
High-speed wide bandwidth data detection circuit
A high-speed, wide bandwidth data detection circuit includes a phase detection module, a data detection module, a loop filter, and a voltage controlled oscillator. The phase detection module is...
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7224994 |
Power control method for handling frame erasure of data in mobile links in a mobile telecommunication system
A method for substantially reducing the frame erasure rate (FER) to approximately 1 percent dynamically changes the power down to power up ratio from 100 to 1 to 200 to 1 to minimize subsequent...
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7221695 |
Method for communicating scrambling code ID in mobile communication system
Disclosed is a method for transmitting a channel signal in a base station of a mobile communication system which scrambles a common channel signal using a primary scrambling code for identifying...
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7221670 |
Apparatus and method for supplying information concerning packet data to a base station
An A.S0001/IS-2001 based Access Network for packet data has a base station (BS), a packet control function (PCF), and a packet data serving node (PDSN). If a BS/PCF connection fails to be achieved,...
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7221680 |
Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
Techniques for multiplexing and transmitting multiple data streams are described. Transmission of the multiple data streams occurs in “super-frames”. Each super-frame has a predetermined time...
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7221669 |
Cellular telephone having improved in-band signaling for data communications over digital wireless telecommunications networks
An inband signaling modem communicates digital data over a voice channel of a wireless telecommunications network. An input receives digital data. An encoder converts the digital data into audio...
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7221911 |
Multi-band ultra-wide band communication method and system
The present invention provides ultra-wide band communication systems and methods, including multi-band ultra-wide band communication systems and methods. Methods and systems are provided in which...
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7218618 |
Method of providing mobile IP functionality for a non mobile IP capable mobile node and switching device for acting as a mobile IP proxy
A method of providing Mobile IP functionality for a non Mobile IP capable mobile node by a switching device by proxy, wherein a first address (HOA) and a second address (SA) are being allocated to...
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