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7353027 |
Seamless handoff in mobile IP
In a system and method for handing off a mobile node in a seamless manner in a wireless access network, procedures are implemented for allowing the mobile node to synchronize the handoff with a...
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7272396 |
Wireless base station and mobile station
The occurrence of problematic data portions during handover is prevented by a wireless base station in a wireless communication system wherein mobile stations to be transmitted to are selected...
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7200398 |
System and method for handover execution in a wireless environment
A method for handover execution in a wireless environment is provided that comprises communicating, by a mobile network, a handover command message to a physical layer of a mobile station to...
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EP0941004B1 |
CONTROL SIGNAL PROCESSOR AND COMMUNICATION SYSTEM
Abstract of EP0941004 The invention reduces an overhead operation required for re-establishment of a physical signal link. A physical signal link (layer 1 link) is switched over keeping a layer 2...
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7106711 |
Method and apparatus for reducing the impact of cell reselection of GPRS/EDGE data rates
A method and apparatus for cell reselection during transmission of data between a mobile station and a network through a first cell of a plurality of cells, each of the plurality of cells defining...
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7079842 |
Mobile terminal and hand-over solving method
Information about a past channel connection history accompanying movements of a user is stored in a mobile phone. When a channel is connected with a new base station by turning the power on or by a...
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7016678 |
Method and arrangement for avoiding loss of error-critical non real time data during certain handovers
A method is disclosed for a mobile station for performing a handover from a first network connection to a second network connection. A mobile telecommunication system provides for non-real time...
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7012905 |
Method and apparatus for the transmission of packets of data
A method of transmitting packets of data in a communication network comprising at least first to third stations, the method comprising the steps of sending a first number of the data packets from...
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6985463 |
Resource utilization efficiency during hand-off in mobile communication systems
An improved method of maintaining data throughput during handoff in a wireless communication link operating with the Mobile IP protocol is described. A first base station initially servicing a...
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EP1097546B1 |
DATA LINK LAYER EXTENSIONS TO A HIGH LATENCY WIRELESS MAC PROTOCOL
Abstract not available for EP1097546 Abstract of corresponding document: WO0004677 A method is provided for communication between a plurality of stations in a communication network using media...
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6876639 |
Transmission control protocol handoff notification system and method
The present invention provides a transfer control protocol handoff notification (TCPHN) mechanism for a wireless network by which hosts connected through the wireless network via a transfer control...
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6862082 |
System and method for handover execution in a wireless environment
A method for handover execution in a wireless environment is provided that comprises communicating, by a mobile network, a handover command message to a physical layer of a mobile station to...
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6725044 |
Technique seamless handoff of a mobile terminal user from a wireless telephony network to a wireless LAN
A mobile terminal user ( 16 ) can trigger a handoff from a first radio access node ( 18 ) to a second radio access node ( 30 ) in a communications network by making such a request to one of the two...
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6721567 |
Apparatus, and an associated method, for selecting a likely target cell in a cellular communication system
Apparatus, and an associated method, for allocating resources at a target cell, or cells, of a cellular communication system. Determinations are made of the positioning and of the velocity, of a...
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6714784 |
Method and arrangement for providing fast cell change in a packet-switched cellular radio system
A method is presented for implementing a cell change for a mobile station (MS) in a packet-switched cellular radio system comprising a first base station (BTSold), a second base station (BTSnew)...
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6690935 |
Packet mode telecommunications method and system in which calls can be handed over from one path to another
The invention concerns a method of transmitting non-dated digital data between a transmitter and a receiver in which the data can take at least two different paths between the transmitter and the...
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6631140 |
Shared communications protocol layer for interfacing between wireless networks
A plurality of client applications in respective microcellular communication networks communicate with a server in a macrocellular communication network via a shared communications protocol layer.
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6611521 |
Data link layer extensions to a high latency wireless MAC protocol
The invention provides a method for communication between a plurality of stations in a communication network using media access protocol, in which medium access is granted to stations obtaining a...
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6603972 |
Apparatus, method and system for voice communication hand-off in a mobile packet data network environment
An apparatus, method and system are provided for a hand-off of a communication session in a wireless data network system, in which the communication session has been established previously with a...
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6590880 |
Apparatus, and associated method, for facilitating communication handover in packet radio communication system
Apparatus, and an associated method, for facilitating handover of communications between a source radio gateway and a target radio gateway of a packet radio communication system. Subsequent to...
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6563825 |
Packet transmission in telecommunication network
In a packet radio network, the position updates of a mobile station are transmitted in UI frames, whose priority is higher than that of I frames which transmit payload traffic and whose header...
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6556593 |
Digital cross connect and add/drop multiplexing device for SDH or SONET signals
In a communication network for transferring signals, e.g. according to the SONET or SDH standards, interconnecting node devices are provided consisting of parallel processing modules ( 9 -T, 9...
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EP1131973B1 |
METHOD AND ARRANGEMENT FOR AVOIDING LOSS OF ERROR-CRITICAL NON-REAL TIME DATA DURING CERTAIN HANDOVERS
Abstract not available for EP1131973 Abstract of corresponding document: WO0032001 A method is disclosed for a mobile station for performing a handover from a first network connection to a second...
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6473411 |
Router device, datagram transfer method and communication system realizing handoff control for mobile terminals
A mobile supporting router device for realizing the handoff control associated with the moving in high speed is forms by at least one first interface connected with radio base stations, each...
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6466790 |
Cell selection in a radio network
A method for selecting a cell for a mobile station (MS) in a cellular telecommunications network, wherein the mobile station (MS) sends a radio station controller (BSC) measurement reports ( 6 - 4...
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6335921 |
Network giving local access to mobile phones
The present invention concerns a local mobile access network, of the kind that comprises a distribution network (RDL) formed by a plurality of nodes (NIE), each node (NIE) being connected to a...
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6298053 |
Method and apparatus for connection handoff between connected radios
In a radio based wireless mesh packet network wherein packet traffic is scheduled between a high capacity communications link and a plurality of nodes interconnected by wireless links, an access...
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EP1079653A1 |
Apparatus method and system for voice communication hand-off in a mobile packet data network environment
An apparatus, method and system are provided for a hand-off of a communication session in a wireless data network system, in which the communication session has been established previously with a...
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6192039 |
Method for flow control, node and communication network employing the flow control
There is provided a method for a flow control to a mobile communication network in which an ATM virtual channel established between a first base station having a radio zone in which a mobile...
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6173183 |
CDMA inter-mobile switching center soft hand-off
The present invention facilitates an inter-mobile switching center (MSC) soft hand-off by creating a communication link between the MSCs through the base station controllers (BSCs). The routers in...
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EP1059820A2 |
Method and apparatus for providing fast cell change in a packet-switched cellular radio system
A method is presented for implementing a cell change for a mobile station (MS) in a packet-switched cellular radio system comprising a first base station (BTSold), a second base station (BTSnew)...
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6137796 |
Packet non-replicating comparator device for digital simulcast packet distribution
A packet non-replicating comparator device for use in a digital simulcast radio communication system generates a single seed copy of a timestamped information data packet (per channel) for...
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6111864 |
Hand-off method and apparatus in CDMA cellular system
In a hand-off method in a CDMA cellular system, whether a frequency in use is a frequency layer boundary is determined in response to a notification indicating a deterioration in the frequency in...
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6084888 |
Communication method and communication equipment
An object of the present invention is to improve transmission efficiency of a communication system for forming a transmission frame from a plurality of packets to perform communications using the...
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5974028 |
System and method for improving transport protocol performance in communication networks having lossy links
Providing transport protocol within a communication network having a lossy link. The receiver distinguishes between packets received with non-congestion bit errors and packets having been not at...
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EP0941004A1 |
CONTROL SIGNAL PROCESSOR AND COMMUNICATION SYSTEM
The invention reduces an overhead operation required for re-establishment of a physical signal link. A physical signal link (layer 1 link) is switched over keeping a layer 2 link in the OSI...
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5930721 |
Emulating an advanced control algorithm in a mobile communications system
A telecommunications system and method is disclosed, whereby a packet switched system emulates the location algorithm of a circuit switched system. The packet switched system, wherein cell...
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5930714 |
CDMA inter-mobile switching center soft hand-off
The present invention facilitates an inter-mobile switching center (MSC) soft hand-off by creating a communication link between the MSCs through the base station controllers (BSCs). The routers in...
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5901142 |
Method and apparatus for providing packet data communications to a communication unit in a radio communication system
A radio communication system (100) employs a method and apparatus for providing packet data communications to a communication unit (e.g., 120). The communication system includes a system controller...
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EP0883266A2 |
Router device, datagram transfer method and communication system realizing handoff control for mobile terminals
A mobile supporting router device for realizing the handoff control associated with the moving in high speed is forms by at least one first interface connected with radio base stations, each...
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5822313 |
Seamless handover in a cordless TDMA system
A technique is disclosed for allowing a seamless handover between base stations in a TDMA controller as a telephone handset is transported from one base station's area to another. The disclosed...
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5768267 |
Method for system registration and cell reselection
A method for registering a mobile station when the mobile station first enters a communication system which supports packet data channels is disclosed. The mobile station receives system...
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5208484 |
Control system for vehicle safety device
A control system for a vehicle safety device includes a pair of acceleration sensing circuits. The outputs of the acceleration sensing circuits correspond to a deceleration of the vehicle in a...
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