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| Number | Title | Issue Date |
| 7039436 | Mobile communication terminal A mobile communication terminal includes a receiver (2) receiving a radio waves from a base station, a sampling unit (3) sampling a signal received by the receiver (2), a demodulator (5) demodulating the signal sampled by the sampling uni... | 05/02/2006 |
| 7035605 | Method and device for automatic control of the frequency of a local oscillator in a DS-CDMA type receiver A method for controlling frequency of a local oscillator in a DS-CDMA type receiver includes transforming a known spread spectrum signal into a sampled digital signal formed of symbols with a despreaded frequency spectrum, and determining a residual frequency error ... | 04/25/2006 |
| 7035322 | Wireless digital data transmission from a passive transceiver A wireless network transmits digital data. The network includes an active transceiver to transmit carrier waves at a succession of preselected frequencies and a transponder. The transponder transmits digital data to the active transceiver by partially reflecting the... | 04/25/2006 |
| 7035669 | Mobile communications system, radio base station control system, and radio base station control method An object of the present invention is to provide efficient RFN timing passing between a User Plane Server (UPS) and Radio Control Server (RCS). In a radio base station control system that controls a radio base station device communicating with a mobile terminal over... | 04/25/2006 |
| 7030910 | Wireless camera A wireless camera 11 includes a main body unit 16, encoding/transmission unit 17, and a battery unit 18. The encoding/transmission unit 17 includes a encoding/modulation unit 23 for performing MPEG 2 encoding and OFDM modula... | 04/18/2006 |
| 7031736 | Method and apparatus of header compression for broadcast services in radio telecommunication system A method and apparatus for packet-data header decompression, particularly advantageous for use in connection with broadcast and multicast messages being transported through a radio telecommunication system operable according to the CDMA 2000 standard. When a mobile ... | 04/18/2006 |
| 7031277 | Method for performing USTS handover and USTS mode switching in a mobile communication system Disclosed is a handover controlling method in an RNC connected to a first Node B and a second Node B in a mobile communication system where a USTS service occurs between the first Node B and a UE within a cell of the first Node B and the UE hands over when the UE is... | 04/18/2006 |
| 7027827 | Method and apparatus for channel sharing between multiple communication systems Remote units within a first communication system (121) utilizes frequencies (channels) from a second communication system (120) when placing a call. When a first remote unit (106) wants to call a second remote unit (107) using the channel... | 04/11/2006 |
| 7028311 | Communications node architecture and method for providing control functions in a telecommunications network An architecture for a communications node and a method of implementing control functions in a Session Initiation Protocol (SIP) telecommunications network. The node performs a plurality of call-control functions in a single physical node. A plurality of application-... | 04/11/2006 |
| 7027811 | Apparatus and method of uplink data during cell update in universal mobile telecommunications system user equipment The details of an apparatus and method of uplink data during cell update in universal mobile telecommunications system user equipment are disclosed herein. According to one aspect of the present application, there is provided a user equipment to send uplink data to ... | 04/11/2006 |
| 7024215 | Methods and apparatuses for measuring frequencies of basestations in cellular networks using mobile GPS receivers Methods and systems for frequency synchronizing base stations in a cellular communication system. In one aspect of the invention, a method to measure a frequency related to a base station of a cellular communication system includes receiving a satellite positioning ... | 04/04/2006 |
| 7024214 | Synchronizing over a number of synchronization mechanisms using flexible rules Two computer systems in a network each have a local store that contains a copy of a data item that is to be synchronized. One of the computer systems may be, for example, a mobile device while the other may be a synchronization server. In order to determine whether ... | 04/04/2006 |
| 7023346 | Antenna system including simultaneous phase aiding and phase canceling elements A system for minimizing the effect of null zones in an interrogation zone of a marker detection system. The system includes a reference antenna system configured to produce a first reference electromagnetic field during a first time period. The antenna system also i... | 04/04/2006 |
| 7020476 | Wireless network security The present invention is secure wireless network. The secure wireless network can include multiple receiver nodes coupled to corresponding high-precision clocks. Each of the receiver nodes can be configured to receive wireless frames transmitted both within and outs... | 03/28/2006 |
| 7020436 | Discrete power level coding for indicating uplink mobile receive level in a wireless repeater system A method for managing a plurality of mobile units in a wireless cellular communication system having a plurality of repeater stations includes the step of receiving a signal on an uplink communication channel from a mobile transceiver unit at one of the repeaters. T... | 03/28/2006 |
| 7020165 | Apparatus and method for trellis encoding data for transmission in digital data transmission systems A system for bidirectional communication of digital data between a central unit and a remote unit wherein the need for tracking loops in the central unit has been eliminated. The central unit transmitter generates a master carrier and a master clock signal which are... | 03/28/2006 |
| 7020722 | Synchronization of distributed simulation nodes by keeping timestep schedulers in lockstep A distributed simulation system includes a plurality of nodes. Each node is configured to simulate a portion of a system under test. The simulation is performed as a series of timesteps. The transition between timesteps is synchronized in the plurality of nodes. In ... | 03/28/2006 |
| 7016683 | Frequency scheme for data transmission systems A data transmission system contains at least two stations between which data bursts are exchanged via radio. A frequency hop is provided between the first channel mid-frequency which is used for the transmission and the second channel mid-frequency which is used for... | 03/21/2006 |
| 7016998 | System and method for generating sequences and global interrupts in a cluster of nodes A system and method for generating sequences of triggered events and for generating global interrupts in a clustered computer graphics system. In a sender-receiver dichotomy, one node is deemed the sender and the others act as receivers. The sender determines trigge... | 03/21/2006 |
| 7016347 | Updating radio network data in an IP base station using an IP message A system and method of updating radio network data in a plurality of devices deployed in Base Stations (BSs) in a radio telecommunications network. Each BS is interfaced with a Mobile Switching Center (MSC) through an Internet Protocol (IP) packet data network. Devi... | 03/21/2006 |
| 7013157 | Method for multicast delivery with designated acknowledgment A packet format for multicast messages which designates a single receiver to send an acknowledgment to the multicast message. The designated receiver responds to the multicast message with an acknowledgment. If the designated receiver does not respond to the multica... | 03/14/2006 |
| 7010360 | Automatic conversion of dates and times for messaging A system and method are disclosed for automatically converting dates and times in electronic text messages to the local dates and times of the message recipients. For example, when a text message is sent to an intended recipient, a messaging server can recognize dat... | 03/07/2006 |
| 7006036 | Apparatus and method for time maintenance in a satellite position system receiver A system for maintaining time in a satellite positioning system (SPS) receiver that relies on almanac data to maintain a reasonably accurate time. The approximate time based on almanac data is sufficiently accurate to bound the unknown parameters when a request for ... | 02/28/2006 |
| 7006838 | System and method for locating sources of unknown wireless radio signals A system and method for determining the location of a source (target device) of a wireless radio signal of an unknown or arbitrary type for which a signal correlator is not known or available. The target device's signal is received at a plurality of known locations ... | 02/28/2006 |
| 7006468 | Page monitoring method and apparatus A wireless communication system is provided that includes a plurality of origination stations and at least one terminal. The plurality of origination stations each communicate a signal comprising a regular page message over respective regular paging channels and a q... | 02/28/2006 |
| 7006840 | Efficient frame tracking in mobile receivers A method for frame synchronization of a receiver in a wireless communication system wherein data is transmitted in frame units in a multipath environment begins by extracting data samples for a predetermined window size. A training sequence corresponding to a given ... | 02/28/2006 |
| 7003332 | Method and system for decreasing power-on time for software-defined radios A technique for decreasing the amount of time needed to turn on a software-defined radio provides an operator of the radio the ability to turn the radio off and subsequently turn the radio on, wherein the radio is turned on much more quickly than a radio not using t... | 02/21/2006 |
| 7003309 | Master-slave communication system and electronic apparatus utilizing such system A communication system has a master device and a slave device clocked by the system clock generated by the master device for data transfer between them. When no data transfer takes place between them for a predetermined period, the slave device goes into a sleep mod... | 02/21/2006 |
| 7002948 | Mobile communication system and method of controlling synchronization between base stations A mobile communication system has a plurality of base stations which are located at appropriate positions within a predetermined area and conduct radio communication with a mobile communication terminal, and an exchange office which is connected with the base statio... | 02/21/2006 |
| 6999546 | System and method for timing references for line interfaces A system (10) and method are provided for phase aligning two timing signals when the timing signals are out of phase. The system (10) includes a selection unit (12) coupled to timing sources (14, 16), a detection means (18, 20) cou... | 02/14/2006 |
| 6999406 | Reception synchronization apparatus and demodulating apparatus using the same A reception synchronization apparatus capable of achieving precise synchronization of an OFDM signal including a frame guard added to the OFDM signal includes a multiplier for calculating the correlation between a received OFDM signal and an OFDM signal delayed by a... | 02/14/2006 |
| 6996414 | System and method of group calling in mobile communications Information is retrieved from a list of members of a group call group. Based on the retrieved information, a group call is established between first and second mobile stations (MS). The first MS is served by a first base station controller (BSC) and the second MS is... | 02/07/2006 |
| 6996420 | Radio communication system, mobile terminal unit thereof, and azimuth determining method Disclosed are a mobile station unit which can obtain azimuth information with a simple construction and a radio communication system including the mobile terminal unit. According to the present invention, in a terminal station, an arrival direction obtaining section... | 02/07/2006 |
| 6993294 | Mobile communication system, communication control method, base station and mobile station to be used in the same A HSDPA type mobile communication system includes a base station and a mobile station. The base station sets the uplink control channel with the mobile station to transmit a pilot signal. The mobile station measures a reception quality of the pilot signal to transmi... | 01/31/2006 |
| 6993363 | Wireless monitor tool for a mobile station In disclosed embodiments, a relatively small passive monitor tool provides one or more alerts to a user of a mobile station, to readily notify the user, even if the station is carried in a pocket or purse. In one example, the tool listens for a message on a paging c... | 01/31/2006 |
| 6990093 | Method of transmitting synchronized channel in radio transmitter The invention relates to a method of transmitting a synchronized channel in a radio transmitter and to a radio transmitter. The method comprises transmitting normal radio bursts on a normal channel asynchronously. In the invention, synchronized timing is obtained, s... | 01/24/2006 |
| 6987981 | Robust RLC reset procedure in a wireless communication system In the AM RLC reset procedure of a wireless communication system, a delayed Reset ACK PDU will cause un-synchronization between the Sender and the Receiver. This invention of method and system checks for arriving of the first and the second Reset PDUs and the first ... | 01/17/2006 |
| 6987752 | Method and apparatus for frequency offset estimation and interleaver synchronization using periodic signature sequences A method and apparatus are disclosed for frequency offset estimation and interleaver synchronization, using periodic signature sequences, such as Barker codes. The periodic signature sequence is used for interleaver synchronization or frequency offset estimation or ... | 01/17/2006 |
| 6987979 | Locating packet-switched mobile terminals using network initiated artificial cell hops Determining the position of a mobile terminal operating in a packet-switched communications system based on timing advance values obtained through network initiated artificial cell hops. The mobile terminal may be instructed to perform a series of artificial cell ch... | 01/17/2006 |
| 6985724 | Device for transmitting data and control commands via radio connections in a distributed control system for one or more machines and/or processes In a distributed control system for one or more machines and/or one or more processes, data and control commands are transmitted via radio connections between nodes in the control system. The nodes operate with radio transmitters and radio receivers and comprise or ... | 01/10/2006 |
