|
Match
|
Document |
Document Title |
|
|
7620115 |
Space code block coding and spreading apparatus and method for transmission diversity and CDMA diversity transmitter and CDMA mobile station receiver using the same
A space code block coding and spreading apparatus for transmission diversity, a Code Division Multiple Access (CDMA) diversity transmitter using it, and a CDMA mobile station receiver for receiving...
|
|
|
7620094 |
Spread spectrum clock generator
Disclosed is a spread spectrum clock generator which includes: a first delay control type oscillator that variably controls an oscillation period at a control period interval according to a control...
|
|
|
7620031 |
Method and apparatus for code division switching
Time division multiplexed input signals (i.e., separated into time slots) are spread in each time slot with a destination code. This spreading is applied for destination identification as opposed...
|
|
|
7620005 |
Method and apparatus for code assignment in a spread spectrum wireless communication system
Method and apparatus for code assignments in a spread-spectrum wireless communication system incorporating a Large Area Synchronized-Code Division Multiple Access (LAS-CDMA) protocol. The method...
|
|
|
7620002 |
Apparatus and method for controlling multiplex number in spatial domain
This invention provides a controller of multiplex number in spatial domain that collects from a plurality of radio communication apparatuses the number of terminals connected thereto and the...
|
|
|
7616714 |
Process and device for the prediction of noise contained in a received signal
A device and method for predicting noise in a signal that is received by a digital receiver is provided. The device includes an autocorrelation function determination device and a noise predictor...
|
|
|
7616681 |
Pilot signals for synchronization and/or channel estimation
The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum...
|
|
|
7616618 |
Code cycle modulation in optical code division multiple access systems
An optical code division multiple access (OCDMA) system includes an optical transmitter system configured to transmit data from a plurality of users through a shared optical channel by encoding the...
|
|
|
7616606 |
Mechanism for avoiding triggering silent radio squelch circuits
A ‘smart’ sub-channel hopping control mechanism executes one or more sub-channel selection discriminators to enable the communications controller of a spectral reuse transceiver to delineate on...
|
|
|
7616555 |
Minimum variance location estimation in wireless networks
In one embodiment, a method includes receiving received signal strength data, computing an aggregate square error surface based on the received signal strength data, computing a probability surface...
|
|
|
7613159 |
Transmission power level estimation
A transmission power level of a selected user is estimated in a code division multiple access (CDMA) communication system. An initial estimate of a transmit power level associated with the selected...
|
|
|
7613158 |
Method of quadrature spreading
The invention provides a method of quadrature spreading suited for use in a software implementation of a code division multiple access communication (CDMA) system. The method includes providing for...
|
|
|
7613152 |
Dual band dual mode terminal supporting different packet frame modes and supporting method thereof
A DBDM (dual band dual mode) terminal is provided for supporting different packet frame modes and a supporting method thereof. This may be provided by mounting a data communication protocol...
|
|
|
7613143 |
System and method for controlling network, network controlling apparatus, and mobile terminal used in network control system
A network control system, which controls connections between a mobile terminal and multiple types of wireless systems accommodated in a network, includes a prescribed node provided on the network....
|
|
|
7613142 |
Method for a wireless station to determine network metrics prior to associating with an access point of a wireless network
In a wireless station, a method includes, prior to the station being associated with a wireless network, wirelessly receiving L2 frames transmitted from one or more wireless access points (APs) of...
|
|
|
7609749 |
Method and apparatus for generating non-recursive variable rate orthogonal spreading codes
A method for constructing and selecting non-recursive orthogonal variable spreading factor (OVSF) codes is provided. The method includes: defining a variable B=SF max /SF min , where SF max is a...
|
|
|
7609680 |
HARQ device and method for mobile communication system
There is provided a device and method for retransmitting error-detected data in a mobile communication system. A transmitter generates S sub-codes C i (i=0, 1, 2, . . . , S−1) from a physical...
|
|
|
7609679 |
Cellular system
A cellular system using a code division multiple access (CDMA) scheme includes N (N is a positive integer) pilot channels and M (M is a positive integer) data channels. The pilot channels are used...
|
|
|
7609667 |
DPCH multiplexing apparatus and method for outer loop power control in a W-CDMA communication system
Disclosed is a method for transmitting a dedicated physical data channel signal over a dedicated physical data channel in the absence of transmission data to be transmitted over the dedicated...
|
|
|
7609648 |
Antenna steering for an access point based upon control frames
A method for operating an access point in a wireless local area network (WLAN) is provided. The access point includes a directional antenna for communicating with at least one remote station in a...
|
|
|
7609632 |
Scheduling mechanism for MAC entity
A code division multiple access (CDMA) radio network controller (RNC) comprises a medium access controller-controlling/shared (MAC-c/sh) entity. The MAC-c/sh entity has a scheduling mechanism...
|
|
|
7609608 |
Method and apparatus for data transfer using a time division multiple frequency scheme with additional modulation
A method of data transmission according to one embodiment of the invention includes encoding a set of data values to produce a corresponding series of ordered n-tuples. The method also includes...
|
|
|
7606334 |
Channel estimation using pilot symbols
A system for estimating the transfer function of a transmission channel such as the downlink channel in a CDMA system over which a pilot signal and a data signal are transmitted. The system...
|
|
|
7606294 |
Channel quality estimation method and receiving apparatus
Channel quality can be detected accurately in a wireless transmission system such as an HSDPA method. In the case of estimating a channel quality of a signal transmitted by a Code Division...
|
|
|
7606292 |
Sub-sequence accumulation filter and method
A parallel correlator and method includes temporarily storing in a series of P sequence registers, each of length R 1 , serial bit-sequences of a code of length N=P*R 1 . In a first-level of...
|
|
|
7606212 |
Method and apparatus for setting gain factors for dedicated physical channels in a mobile telecommunications system
A system and method are provided for setting gain factors for dedicated physical channels in a mobile communication system supporting E-DCH service. If the E-DCH is established without the legacy...
|
|
|
7606207 |
User equipment and base station performing data detection using a scalar array
A wireless transmit receive unit (WTRU) recovers data from a plurality of data signals received as a received vector. The WTRU determines data of the received vector by determining a Cholesky...
|
|
|
7606206 |
Apparatus and method for reception of neighboring cell service
A method for a mobile terminal to receive a service in mobile communications comprises the steps of detecting that the service is unavailable from a serving cell that serves the mobile terminal,...
|
|
|
7606198 |
Handoff control method and a mobile station employing the same
There is disclosed a handoff control method for registering a CDMA mobile station in such a way that the waste of battery power is prevented if successive attempts to register the station fail. If...
|
|
|
7606193 |
Methods for implementing a dynamic frequency selection (DFS) feature for WLAN devices
Various regulatory domains promulgate standards to define how wireless devices should operate in certain frequency bands. The 5 GHz spectrum is of particular importance to certain regulatory...
|
|
|
7603135 |
Mobile communications system, method of controlling the transmission power in the system, and mobile station in the system
A mobile station is for use in a code-division multiple-access communications system. The mobile station includes: a detection unit for receiving a signal transmitted from a base station and...
|
|
|
7603133 |
Efficient frame tracking in mobile receivers
A method for determining the validity of a most significant path in a wireless communication system wherein data is transmitted in frame units in a multipath environment begins by accumulating a...
|
|
|
7602841 |
Pilot signals for synchronization and/or channel estimation
The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum...
|
|
|
7602760 |
Resource allocation to users in slotted code division multiple access systems using beams
The invention includes several embodiments for slot assignment in code division multiple access communication systems. Some of the embodiments relate to fixed beams and others relate to adaptive...
|
|
|
7602751 |
Method and apparatus for transporting CDMA traffic over a UMTS-compatible CPRI interface
A base station has a processor to generate a Code Division Multiple Access (“CDMA”) data frame. The CDMA data frame comprises a plurality of Basic Frames. At least one of the plurality of Basic...
|
|
|
7602750 |
Method for power control for mixed voice and data transmission
In a disclosed embodiment, a “voice noise power” is added to an aggregate voice power which is the total voice power used by all users in a cell. The voice noise power is transmitted in...
|
|
|
7602749 |
Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
A service option overlay for a CDMA wireless communication in which multiple allocatable subchannels are defined on a reverse link by assigning different code phases of a given long pseudonoise...
|
|
|
7602744 |
Detection of a simultaneous occurrence of an event at a plurality of devices
The invention relates to a detection of a simultaneous occurrence of an event of a predetermined kind at a plurality of electronic devices. At least two devices detect the event and record at their...
|
|
|
7599425 |
Multiple channel joint decoding at mobile handset
A system and method suppresses the interference caused by non-orthogonal signals on multiple channels of the same receiver by applying an inverse of the correlation among the non-orthogonal signals...
|
|
|
7599345 |
Method, network elements, a terminal, a network infrastructure, and a communication system for triggering events
A method, network elements, a terminal, and a system of triggering events in a protocol layer stack of a communication system comprising at least one terminal and a network infrastructure including...
|
|
|
7599344 |
Method and apparatus for reducing multi-user processing in wireless communication systems
A method and apparatus is disclosed for reducing multi-user processing at the receiver in wireless communication systems. Detected codes are grouped according to channel impulse response and a...
|
|
|
7599338 |
Peak power reduction method for wireless communication systems and corresponding transmitter
A peak power reduction method for wireless communication systems is proposed in which a constellation shaping is applied on input data symbols in order to reduce the peak power of the signal...
|
|
|
7599336 |
Method and apparatus for time-sharing channelization code in a CDMA communication system
Techniques to time-share a common channelization code among multiple terminals for compressed mode transmissions. Each terminal is initially assigned a respective channelization code used to...
|
|
|
7599335 |
Cell search process for wireless communication system
A method of cell search in a wireless communication systems having a plurality of base stations and a mobile station, each of the plurality of base stations serving a separate cell within a service...
|
|
|
7599334 |
Method and apparatus for processing shared sub-packets in a communication system
Method and Apparatus for Processing Shared Sub-packets in a Communication System are disclosed. A communication system providing both voice and data services allows for a plurality of subscriber...
|
|
|
7599320 |
Enhanced-transport format combination power margin for uplink
A communications network ( 200 ) for enhanced uplink of High-Speed Uplink Packet Access (HSUPA) in 3G wireless communications includes a mobile transceiver unit ( 605 ). The mobile transceiver unit...
|
|
|
7599309 |
Method and apparatus for managing cell-by-cell demodulation timings of a user equipment in an asynchronous mobile telecommunication system
A method and an apparatus are provided for managing cell-by-cell demodulation timing of an asynchronous user equipment (UE) for demodulating multipath signals, received from a plurality of cells,...
|
|
|
7599291 |
Data-rate detection in CDMA systems
The present invention provides an improved receiver for data-rate detection in a signal received from a transmitter of a cellular radio communication system including multiple transport channels...
|
|
|
7599282 |
Wide frequency offset correction using encoded interburst phase differences
Systems and methods for wide frequency offset synchronization are provided. A synchronization data sequence is encoded onto a series of OFDM frequency domain bursts as interburst phase differences...
|
|
|
7596377 |
System and method for planning a telecommunications network for mobile terminals
The present invention relates to a system and method for planning networks for mobile terminals that use a radio interface based on the Code Division Multiple Access or CDMA technique. More...
|