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6205132 |
Method for accessing a cell using two pilot channels in a CDMA communication system of an asynchronous or quasi-synchronous mode
The present invention discloses a method for accessing a cell, and more particularly, to a method for acquiring an initial synchronization using two pilot channels in a CDMA (Code Division Multiple...
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6201802 |
Method and apparatus for analyzing base station timing
A base station timing analyzer measures the timing performance of a base station from within the base station coverage area without interruption or degradation of the system performance. The timing...
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6201803 |
Cellular radio location system
The location of mobile unit cellular radio system is determined by determining the differences in timing of a characteristic feature of the transmission of the control channel of each of a...
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6198736 |
Telecommunications system
An air frame synchronisation signal is transmitted as a data signal over a PCM link from a central unit to a plurality of remote radio transceivers, allowing the remote radio transceivers to...
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6195701 |
Method and apparatus for synchronization and scheduling of multiple data streams and real time tasks
The present invention concerns a method and an apparatus for the synchronization and the scheduling of multiple data streams and real time tasks. In accordance with the present invention, pointers...
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6181947 |
System for the wireless transmission of a frame-synchronized signal between a radio base station and at least one mobile terminal
The invention relates to a system for the wireless transmission of a frame-synchronized signal between a base radio station (1) and at least one mobile terminal (2), which base radio station is...
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6178186 |
Fractional decimator with linear interpolation and method thereof
According to the present disclosure, an parallel formatted data signal is applied to an input (300), and the data signal is divided into a first data signal and a second data signal. The second...
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6172967 |
System and method for servicing communications between base station and plural mobile stations
A method for servicing communications between a base station and plural mobile stations which are linked by a radio line in which plural communication channels are set, comprising the steps of...
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6167056 |
Access channel slot sharing
The present invention is a system and method for increasing user capacity on a slotted random access channel in a spread spectrum communications system by using a multi-part access probe. First and...
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6160805 |
Method for synchronizing a session timer
In a wireless communication system, session timers are separately maintained by a communication device (101) and a system controller (104). When a portion of outbound data is sent to a base station...
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6157631 |
Method and system for generating and using synchronized and unsynchronized spread spectrum signals in a cellular communications system
In a cellular communications system having synchronized base stations and unsynchronized base stations, wherein the synchronized base stations are synchronized to system time and have a common...
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6154457 |
Mobile station having improved DCCH synchronization
A method is disclosed for operating a mobile station (10). The method includes a first step of receiving a forward channel from a base station (30), the forward channel being transmitted to contain...
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6151314 |
Use of header fields of an ATM cell in radio connected ATM data transfer
In a telecommunication system, where data is transported as cells (C1 through C10) and that comprises a wired connection network system and an at least partly wireless connected wireless access...
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6147982 |
System and method for synchronizing acquisition for a code modulated communication system
A system and method for a synchronizing acquisition of a transmitted signal with a local code in a code modulated communication system. The local code is comprised of a replica of the transmitted...
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6144656 |
Synchronizing a telecommunications connection in a mobile communications system
A method for synchronizing a telecommunications connection in a mobile communications system including a database, at least one base station communicating with mobile stations on system channels...
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6141337 |
Spread spectrum communication system
Before transmitting an upward traffic packet of a long code, a mobile terminal sends a short packet including a short code to a reservation channel. A base station measures delay of each packet by...
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6134234 |
Master-slave synchronization
The invention relates to synchronization of network elements in a network that uses master-slave synchronization. The use of the known monitoring bit MCB (Master Clock Bit) is expanded in the...
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6134233 |
Apparatus and method of frame aligning information in a wireless telecommunications system
A wireless telecommunications system (1) includes a central terminal (10) for transmitting and receiving radio frequency signals to and from a subscriber terminal (20). A downlink communication...
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6128290 |
Personal data network
The data network disclosed herein utilizes low duty cycle pulsed radio frequency energy to effect bidirectional wireless data communication between a server microcomputer unit and a plurality of...
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6122269 |
Packet radio systems
A packet radio system is provided with a multiple access scheme which operates to schedule transmissions of data bearing radio packets on a common communications channel from a plurality of users...
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6119015 |
Method and apparatus for synchronizing synchronous information of each base station in cordless telephone system
A cordless telephone system synchronizes a frame number, a multi-frame number, and a primary scan carrier number (PSCN) of every base stations, to provide an inter-cell handover between the base...
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6112100 |
Method and apparatus for synchronizing a base station in a communication system
A method and apparatus synchronize a first floating timing reference (207) of a first base station (116) with a timing reference of a second base station (116) of a communication system, without...
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6111872 |
Telemeter telecontrol system
A master station performing continuous operations is communicatively coupled with a plurality of remote stations performing intermittent transmission/receiving operations in constant cycles....
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6104729 |
Method and apparatus for synchronization of time stamping
The present invention relates to an apparatus and a method for synchronization, of at least two time stamping clocks (213; 214; 310, 311) in a network, with high accuracy as well as a method for...
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6104710 |
Radio selective paging receiver with time setting which avoids receiver noise
A radio selective paging receiver includes a reception unit, a control unit, and a timepiece unit. The reception unit is controlled to start transmission in synchronism with at least a standard...
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6101175 |
Method and apparatus for handoff within a communication system
In a communication system (100) where a remote unit is given a time offset for a base station (102) and hands off to the base station (102) if the remote unit (113) can acquire the base station...
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6098100 |
Method and apparatus for detecting a wake packet issued by a network device to a sleeping node
In a method and apparatus for detecting a wake packet among data bytes in a packet frame issued by a network device, the data bytes in the packet frame are initially compared with a sync byte to...
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6097709 |
TDMA cellular communication system using a receiver station for detecting a timing difference between adjacent base stations
In a time-division multiple access cellular mobile communication system, first and second base stations respectively provide coverages over adjacent cells. A receiver station is located in a region...
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6097932 |
Radio selective calling receiver having multiarea function and a reception restoring method
A radio selective calling receiver having a multiarea function includes a reception channel reception enable/disable information storage means. In a normal operation, only a specific frame is...
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6084868 |
Base station having transmitter power adjustment system
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6084871 |
Method for synchronization of transmitter and receiver at mobile radio system
A method of a mobile radio system for synchronization a transmitter and receiver. The system relates to MC/DS-CDMA-system. In the system information is transmitted digitally in frames. For that...
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6078578 |
Communication apparatus
There are a receiving unit for receiving a TDMA signal which is FSK (FM) modulated by a signal containing known information, and a demodulating unit 103 for demodulating received data. The...
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6078574 |
Process and apparatus for action control in a time slot method
A TDMA radio system, for example according to the DECT standard, requires counters which control actions. A process and an apparatus for action control in a time slot method include three counters,...
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6078607 |
Synchronization codes for use in communication
In a first embodiment of the invention, two sets of seven PN-sequences of length 128 are provided having favorable correlation properties for use as a preamble or midamble synchronization code. At...
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6072847 |
Base transceiver station for cellular mobile radio system and system for synchronizing such base transceiver stations
A system for synchronizing base transceiver stations includes a reference base transceiver station and a subordinate base transceiver station. Each base transceiver station has a clocks with the...
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6072807 |
Searching for signals to assign to the fingers of a rake receiver
A technique for searching for signals to assign to the fingers of a rake receiver is disclosed. In particular, some embodiments of the present invention identify signals with some PN sequence...
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6069887 |
Method and system for synchronization in a wireless local area network
Aspects for achieving and utilizing synchronization among end stations in a wireless local area network (WLAN) are provided. In a method aspect, the method includes receiving a packet with a time...
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6067294 |
Wireless communication system and wireless communication apparatus
A wireless communication system comprises: a center unit and a plurality of terminal units, wherein the center unit includes: a transmitting portion for recurrently generating time slots and...
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6067295 |
Method and apparatus for reducing error in recovering information bits in a wireless system
An efficient method and apparatus for reducing the effect of ghost signals during the recovery of information bits in wireless systems. The delay spread between each burst and its ghost are...
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6067319 |
Method for equalization of a quadrature amplitude modulated signal
A method and apparatus for equalizing a received quadrature amplitude modulated signal is disclosed. To equalize the signal, a band edge equalizer (BEE) is used in combination with a symbol spaced...
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6064691 |
Method and apparatus for acquisition of the strongest pilot signal
When a mobile communication unit (e.g. a cellular telephone) is powered up, the unit must lock on to a local base station, or "acquire" a base station signal, to enable the user to send and receive...
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6061342 |
Code division multiple access apparatus
A code division multiple access apparatus which is capable of high-speed synchronization, is simple in construction and, moreover, achieves reduced consumption of electric power during standby....
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6061338 |
Mobile communication system
In a mobile communication system, a mobile station located in an area using an analog system receives information for synchronization from a base station situated in the above area. On moving from...
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6061343 |
Method and device to determine the transmission point in time of a first transfer in relation to another transfer in a radio medium
The transmission points are determined in time for an asynchronous transfer of information (speech/data) in relation to a synchronous information transfer so that the asynchronous transmission does...
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6052602 |
Method and apparatus for selecting a base station based on a timing value obtained from a system timing signal
A base station selecting method, a reference signal receiving method, and a subscriber apparatus by which base stations to be monitored can be efficiently selected with a simple structure, wherein...
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6044074 |
Rapid signal acquisition and synchronization for access transmissions
A system and method for rapidly acquiring timing of an access transmission that uses an access probe that is transmitted in stages. A first stage of the access probe is spread with a short...
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6044104 |
Cell search method and mobile station apparatus
Search control means 8 of a mobile station apparatus divides a search window received into a number of search widths corresponding to the number of search correlators 3 and makes each of...
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6031863 |
Wireless LAN system
The wireless LAN system has an information-carrying capacity which is several times the transmission rate obtained by a single cell. The wireless LAN system properly notifies hopping information...
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6031828 |
Radio communication system
A base station transmits a synchronizing signal and a clock and AGC circuits of numerous sub-stations produce AGC voltages for indicating adjustment of gain and adjust levels of received signals...
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6028853 |
Method and arrangement for radio communication
The present invention relates to a method and arrangement in an ad-hoc network for synchronizing a multiple of radio transceiver arrangements with different characteristics that make use of a...
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