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7218621 |
Method for dynamic allocation of channels in a code division multiple access packet data system
A CDMA packet data system is disclosed that can dynamically allocate channels in the CDMA packet data system). Using the disclosed dynamic allocation method, the utilization efficiency of multiple...
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7218623 |
Coded reverse link messages for closed-loop power control of forward link control messages
Multiple field units in a CDMA system are synchronized for communication with a base station using shared forward and reverse link channels. In an illustrative embodiment, each field unit is...
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7218622 |
Method of transmitting a synchronisation signal during a synchronisation time slot of a mobile radio telecommunication system of the time division duplex (TDD) type
A method of transmitting a synchronisation signal during a synchronisation time slot of a system for time division-duplex (TDD) telecommunication by mobile stations where the data is transmitted in...
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7218624 |
User equipment and base station performing data detection using a scalar array
A user equipment or base station recovers data from a plurality of data signals received as a received vector. The user equipment determines data of the received vector by determining a Cholesky...
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7218625 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Initial power control for spread-spectrum communications
A code-division-multiple-access (CDMA) system employing spread-spectrum modulation. The CDMA system has a base station, and a plurality of subscriber units. The signals transmitted between the base...
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7218668 |
Wireless communications systems and methods for virtual user based multiple user detection utilizing vector processor generated mapped cross-correlation matrices
The invention provides methods and apparatus for multiple user detection (MUD) processing that have application, for example, in improving the capacity CDMA and other wireless base stations. One...
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7218619 |
Call admission method in CDMA mobile communication system
A call admission method considering call characteristics and the service level of a subscriber terminal in a CDMA mobile communication system is provided. When a new call is requested in a...
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7218628 |
Method and device for detecting preamble of wireless data frame
A method and a device for detecting a preamble type of a wireless data frame are provided. The preamble has a synchronization (SYNC) field and a start frame delimiter (SFD) field, and the method...
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7215930 |
Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication
A method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system. A first signal is received over a first channel and a second signal is...
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7215635 |
Apparatus for transmitting and receiving signal using orthogonal codes and non-binary values in CDMA/OFDM system and method thereof
An apparatus for transmitting and receiving a signal in Code Division Multiple Access/Orthogonal Frequency Division Multiplexing (CDMA/OFDM) system is provided. The apparatus discriminates user...
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7215645 |
Procedure for the estimation of parameters of a CDMA-signal
The invention concerns a procedure for the estimation of unknown parameters (Δω, Δφ, ε,g a sync ,g b code ) of a received CDMA-signal (r desc (v)) which is transmitted by means of a...
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7215636 |
Method of determining training signal in OFDM, and apparatus and method for receiving OFDM signal using the training signal
A method of determining a training signal so as to facilitate acquisition of symbol sync, frequency offset estimation, and channel estimation in an orthogonal frequency division multiplexing (OFDM)...
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7215929 |
Method and apparatus for maintaining desired link quality when no data is transmitted on transport channels having quality targets
Disclosed is a mobile station executed method for updating a signal-to-interference ratio (SIR) target during a discontinuous transmission (DTX) period of a downlink transport channel having a...
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7212591 |
Methods and receivers that estimate multi-path delays by removing signal rays from a power-delay profile
A method for estimating a plurality of delay values in a multi-path communication signal. Correlation values are generated that correspond to a plurality of delay values associated with the...
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7212588 |
Double sideband-intermediate frequency radio receiver architecture
A radio frequency (RF) receiver comprising: 1) a local oscillator (LO) circuit capable of receiving a local oscillator (LO) reference signal having frequency, LO, and a double sideband (DSB) clock...
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7212519 |
Combining narrowband applications with broadband transport
The combination of narrowband applications with broadband transport may be enabled with a tri-level nodal architecture including a call control node having switching intelligence and narrowband...
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7212810 |
System selection for wireless data services
Techniques for performing system selection based on a usage model that uses “access strings”, “profiles”, and “activation strings” are described. Access strings are defined for wireless...
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7212505 |
Roaming in a communication network
Communicating over a network includes establishing a communication path between a mobile-device in a first communication area and a server through a home-agent, and maintaining the communication...
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7209512 |
CDMA receiver, and searcher in a CDMA receiver
In a searcher of a CDMA receiver comprising an array antenna, a voltage profile generation portion performs correlation computations of received signals for each antenna element and generates...
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7209445 |
Method and system for extending the reach of a data communication channel using a flow control interception device
A system and method for extending the reach of a data communication channel using flow control interception devices is described. The method decreases the latency-induced reduction in the data...
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7209457 |
Methods and systems for managing the routing of packets over a hybrid communication network
Methods and systems for routing information to a destination through a plurality of networks, wherein at least one of the networks is a packet network. The system comprises a routing processor for...
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7209463 |
Transmission time adjusting apparatus and method between RNC and UE in a CDMA communication system
A method of adjusting the transmission time of data in a CDMA communication system. A UE (User Equipment) measures the time difference between the received time of a downlink DPCH (Dedicated...
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7209741 |
Method of acquiring a mobile station identifier in a hybrid network
An access network obtains a non-native mobile station identifier, such as an International Mobile Station Identifier, for use in establishing a packet data call by inducing the mobile station to...
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7209461 |
Method and apparatus for chip-rate processing in a CDMA system
Techniques for increased finger demodulation capability in a hardware efficient manner are disclosed. In one aspect, I and Q samples are shifted into a parallel-accessible shift register. A...
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7209462 |
Apparatus and method for supporting common channel packet data service in a CDMA2000 RAN
An apparatus and method for supporting common channel packet data (CCPD) services in a cdma2000 random access network without using a traffic channel. A CCPD device requests CCPD service from the...
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7206598 |
Method and apparatus for a control channel power allocation in a communication system
An apparatus and a method for a control channel power allocation in a communication system are disclosed. The method of control channel power allocation in an embodiment includes sorting a...
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7206554 |
Transmit diversity with formed beams in a wireless communications system using a common pilot channel
A method and apparatus are provided that allows beamforming to be used on a user-specific signal together with a sector-wide pilot signal in a communication system, such as a CDMA system. In one...
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7206546 |
Method of rejecting interference disturbing the reception of a satellite radio signal
The invention proposes a method of rejecting interference disturbing the reception by means of a reception system, of a signal emanating from a transmission system, the method comprising a...
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7206291 |
Determination of parameter values of an uplink transport channel
A method and a network element for determining cell-based values of a parameter of a selected active uplink transport channel multiplexed with other transport channels to a dedicated physical...
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7203157 |
Equalization method and device of the GMMSE type
Exemplary embodiments of the invention provide an equalization method for a downlink channel in a telecommunication system transmitting MC-CDMA symbols on a plurality of carrier frequencies, in...
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7203178 |
Multiuser interference cancellation apparatus
A multiuser interference elimination apparatus in which, even in the second and other subsequent stages, adaptive updating of antenna weights can be performed and antenna weights can be generated...
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7203179 |
Method and apparatus for normalizing CDMA RAKE output
A technique is proposed for normalizing the multi-bit output of a RAKE receiver by automatically selecting from it fewer bits which are representative of the data in the CDMA signal. The invention...
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7203181 |
CDMA system transmission matrix coefficient calculation
A hermetian of a system response matrix is to be determined. Spreading codes, channel specific multipliers and channel impulse responses are provided. The channel code specific multipliers have...
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7200124 |
Signal measurement apparatus and method for handover in a mobile communication system
An RNC determines parameters available for measurement of a synchronization signal and second Node B information from a second Node B, transmits the determined parameters to a first Node B during...
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7200133 |
Rake finger receiver and method therefor in a spread spectrum communication system
A rake finger receiver and control method therefor, for use in a wireless spread communication system. The rake finger receiver includes a multiplexer, a searcher, a first switch fabric, a rake...
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7200127 |
Apparatus and method for controlling a power of reverse link in CDMA system
The present invention relates to a method of controlling transmitting power level of a mobile station in CDMA communication system. This invention estimates a moving speed of a mobile station and...
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7197065 |
Region searcher and method of driving the same and code searcher using the same
A region searcher, a method of driving the same, and a code searcher using the same are disclosed. When a predetermined region is iteratively searched, the energy value corresponding to the same...
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7197288 |
Method and system of spread spectrum modulation
A method and system of communicating between a base station and a mobile station is disclosed. The base station may be the core of a cell site, which is defined by radio frequency radiation...
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7197026 |
Method and system for RLP optimization
A method and system for improving the efficiency of radio communication by optimizing at the radio link protocol (RLP) layer. When TCP segments are passed down from the TCP layer at a sending...
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7197020 |
Radio communication system and base station
A radio communication system in which information of a unit length is constituted with a plurality of frames as a set and the information is transmitted/received between a base station and a mobile...
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7197282 |
Mobile station loop-back signal processing
Processing of loop-back information returned by one or more mobile stations that are served by a wireless communication network permits the network to compensate its transmit signals for increased...
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7193984 |
Method for determining a time offset of a CDMA signal
A method is described for determining a time offset of a CDMA signal incurred during transfer. For each of a plurality of time offset estimates, the received chip sequence is multiplied with a...
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7193978 |
Communications system employing a scheme of radio channel setting control
A radio channel setting control method for communications between a base-station apparatus and a mobile-station apparatus in a mobile communications system employing a CDMA scheme comprising the...
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7193983 |
Path diversity equalization CDMA downlink receiver
A code division multiple access downlink receiver for providing wireless communication via a wireless channel between a base station and a mobile station in which the receiver is implemented. The...
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7190688 |
Method and apparatus for adaptive setting of initial traffic power
A method and apparatus that permits base stations to adaptively set initial power levels in forward link traffic channels (i.e., base station to mobile unit) based on an interference measure, where...
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7190672 |
System and method for using destination-directed spreading codes in a multi-channel metropolitan area wireless communications network
A system and method for enabling a node in a mobile wireless ad-hoc communications network to use a particular spreading code to spread a message to be transmitted to a destination node without...
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7191243 |
Scheduling and multiplexing data for broadcast transmission over multiple streams
Methods, systems, and computer program products for generating a data stream for broadcast to one or more client systems. A source identifier identifies where the data for the data stream may be...
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7187647 |
Ultra-wide bandwidth system and method for in-premises wireless networking
An IS-OFDM system for ultra-wideband (UWB) wireless communications that suppresses narrow-band interference, comprising an in-premises base station (IBS) is described. The IBS further comprises an...
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7187940 |
Decorrelating rake receiver apparatus and method
A decorrelating rake receiver ( 401 ) using a signal processor ( 213 ) and corresponding method ( 1000 ) to determine filter coefficients ( 1005 ). The decorrelating rake receiver includes a...
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7187682 |
Packet data serving node (PDSN) load optimization
A method and node for supporting PDSN load optimization in a CDMA2000 network. The Packet Core Network Manager calculates network statistics and uses the resulting numbers to set the PPP inactivity...
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