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Telefonaktiebolaget LM Ericsson Patents
Assignee:
Telefonaktiebolaget LM Ericsson
Address:
publ) (Stockholm, SE
No. of patents:
4587
Patents:




Patent Number Title Of Patent Date Issued
7365741 Method for navigation and selection at a terminal device April 29, 2008
A system and method for navigation and selection in an information space at least partly displayed on a display screen at a mobile terminal device. The information space contains selectable information objects properties. The terminal device has motion-sensing means for control of th
7363033 Method of and system for testing equipment during manufacturing April 22, 2008
A platform system for a mobile terminal for a wireless telecommunications system includes a mobile-terminal platform assembly. The mobile-terminal platform assembly includes a software services component having at least one functional software unit, a hardware component having at least o
7362853 Cost negotiation for communication sessions April 22, 2008
A method of negotiating the sharing of a cost associated with a communication service between a plurality of participants. The method comprises sending a cost sharing request from a terminal 1 used by a first of the participants to the terminal 12,13 used by the or each other partici
7362850 Method and arrangement for estimation of line properties April 22, 2008
The length and attenuation of a signal line between a transmitter and a customer premises equipment is to be estimated. A frequency dependent line input impedance (Z.sub.in(f)) as seen from the transmitter, is measured and an absolute impedance value ( Z.sub.in(f) ) is generated. T
7362792 Method of and apparatus for computation of unbiased power delay profile April 22, 2008
A method of determining a noise-corrected power delay profile includes determining a power delay profile and calculating a noise-corrected power delay profile. The step of calculating the noise-corrected power delay profile includes using a biased noise-floor power estimate, the power
7362193 Oscillator and an integrated circuit April 22, 2008
A balanced crystal oscillator circuit comprising: a piezoelectric element Xtal (207; 215; 222,221; 313); a first oscillator subcircuit (202; 210; 218; 302) incorporating a transistor (204;212;220;304); and a second oscillator subcircuit (201;209;217; 301) incorporating a transistor (203;
7359924 Methods, devices, and computer program products for generating a compressed status report that i April 15, 2008
A first status report is generated based on initial data that has been received, such as from a mobile communications device and/or a packet network. The first status report is compressed to generate a first compressed status report. The first compressed status report is updated to g
7359854 Bandwidth extension of acoustic signals April 15, 2008
A solution for improving the perceived sound quality of a decoded acoustic signal is accomplished by extending the spectrum of a received narrow-band acoustic signal (a.sub.NB). A wide-band acoustic signal (A.sub.WB) is produced by extracting at least one essential attribute (z.sub.N
7359360 Communication system supporting wireless communication of packet data and method and arrangement April 15, 2008
A communication system supporting communication of packet data. It comprises a core network, which includes a number of packet data support nodes, a number of gateway nodes for communication with external packet data networks, and a number of radio networks. Each radio network includ
7359359 Method and system of channel adaptation April 15, 2008
The present invention relates to transmissions and retransmissions in a communications system. It reveals a method and system for backward compatible detection of an introduced channel sub-frame structure particularly well suited for data transmissions. The invention is well suited f
7356748 Partial spectral loss concealment in transform codecs April 8, 2008
The invention concerns a frequency-domain error concealment technique for information that is represented, on a frame-by-frame basis, by coding coefficients. The basic idea is to conceal an erroneous coding coefficient by exploiting coding coefficient correlation in both time and fre
7356680 Method of loading information into a slave processor in a multi-processor system using an operat April 8, 2008
A conventional bootloader can conflict with the operating system (OS) of a multi-processor system. An OS-friendly bootloader and methods are described that integrate an OS with a bootloader in any system in which a host processor and a client processor have a communication mechanism that
7356040 Communication system, method and controller for routing calls within private networks distribute April 8, 2008
A controller (GK) of a communication system (SYS) including in each of a plurality of geographically distant zones (ZA, ZB, ZC) a zone-specific controller (GK) and one or more subscriber terminals (EP) comprises a controller characteristics memory (CCM) for storing at least a private
7353027 Seamless handoff in mobile IP April 1, 2008
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 base node (e.g., a home agent) and a correspondent node. In this way, a seamless handoff may b
7352743 Traffic management system including packet to object synchronization mechanisms April 1, 2008
A traffic management system and a method for managing in a network object traffic formed on a physical layer along path sections between individual path points. The traffic management system comprises a packet switched control network including said packet control units on a traffic cont
7352253 Oscillator circuit with tuneable signal delay means April 1, 2008
The invention discloses an oscillator circuit (100, 200, 300, 400), comprising an oscillating element (110, 210, 310, 410) and output means (115, 215, 315, 415) for outputting an oscillation frequency from the oscillating circuit. The circuit further comprises a signal delay means (1
7350211 Middleware application environment March 25, 2008
A software application framework includes a framework interface domain for interfacing a platform domain with application domain software of an application domain. The framework also includes a software application domain that includes a first application entity. The first application
7349628 MMI based device March 25, 2008
A device and method for multiplexing or demultiplexing M optical signals, each having a different wavelength .lamda..sub.m. An MMI waveguide has a length such that each optical signal that propagates into the MMI waveguide at an i:th access waveguide, where i.ltoreq.N, and N is greater
7349409 Receiver for the recovery of the clock in the transport of CBR services, originating both from D March 25, 2008
A receiver provides for the recovery of the clock in the transport of CBR services originating both from DCTI transmitters and from SRTS transmitters over an ATM network, and comprises a generator of the control parameter, an oscillation system, a DCTI generator, a generator of RTS s
7348996 Method of and system for pixel sampling March 25, 2008
A method, system, and article of manufacture for reducing aliasing. A method in accordance with one embodiment sampling a pixel of an image at a plurality of pixel sample points to produce a corresponding plurality of pixel sample values, wherein at least one of the plurality of pixel
7348904 Selective updating of compression dictionary March 25, 2008
A telecommunications network comprises a sending entity (22) and a receiving entity (24) which communicate over a radio interface (26). The sending entity (22) comprises a compressor (40) and a message formatter (34). The compressor (40) in turn comprises a sending entity compression
7346126 Method and apparatus for channel estimation using plural channels March 18, 2008
Methods and apparatus are described for estimating a gain offset between two channels in a communication system. The gain offset arises from the system's transmission of signals on the two channels at different powers. The estimated gain offset is used for determining a set of complex
7346110 Multi-channel signal encoding and decoding March 18, 2008
A multi-part fixed codebook includes both individual fixed codebooks for each channel and a shared fixed codebook. Although the shared fixed codebook is common to all channels, the channels are associated with individual lags. Furthermore, the individual fixed codebooks are associate
7343497 Security in communication networks March 11, 2008
A method of facilitating the interworking of network elements of one or more communication networks some of which network elements support a given security mechanism and others of which do not. The method comprises, at each network element which does support the security mechanism, m
7343376 Management information notification to a manager in a management system March 11, 2008
Method and corresponding agent in a management system of a network. At least one manager and the agent have at least one old Management Information Table (MIT) containing Management Information (MI) from network resources. A Management Information Module of the agent gathers Manageme
7343258 Fusion temperature calibration March 11, 2008
The present invention relates to a method for accurately calibrating fusion temperature in optical fiber splicing. With assistance of direct arc-recentering technique, two optical fibers are spliced and then continuously heated with a post-fusion process. In the process, the fusion t
7343164 Cellular communications system employing wireless optical links March 11, 2008
The invention relates to a cellular communication system based on a central main unit, a primary-cell communication unit connected to the central main unit, and a number of secondary-cell communication units. Each secondary-cell unit is connected to the primary-cell unit via a respec
7340018 Diagonally layered multi-antenna transmission for frequency selective channels March 4, 2008
Inter-layer inter-symbol interference is avoided using diagonally layered, Multi-antenna transmissions. Known symbols are inserted at the borders between different layers to avoid inter-layer inter-symbol interference. Multiple data-streams (layers). are transmitted over multiple antenna
7339940 Targeted messaging to end user terminal connected to a service node in a communications network March 4, 2008
Targeted messaging, for example advertisements, may be provided to a user terminal connectable to a service node in a communications network, said network comprising a library node connected to the service node and comprising messages, such as advertisements, in different formats for
7339920 Method and apparatus for mapping an IP address to an MSISDN number within a wireless application March 4, 2008
In one embodiment, there is disclosed a system and method for providing access to an IP number or a subscriber identity number associated with a mobile device in a network, the method comprising associating a mobile device with a subscriber identity number; generating a temporary IP
7339897 Cross-layer integrated collision free path routing March 4, 2008
A true cross-layer integration of functions is provided on several protocol layers within a network, thus providing a unified approach to Quality of Service (QoS) provisioning in a multihop network. In the unified approach, connections are preferably determined by integrated optimiza
7336930 Interference cancellation in wireless relaying networks February 26, 2008
In accordance with the invention, signal information representative of a first set of information to be transmitted more than one time over at least one link is stored as a priori known signal information. This could be previously received and/or, detected information, own transmitted
7336658 Methods and system of virtual circuit identification based on bit permutation of link numbers fo February 26, 2008
A method and system of assigning paths through an interconnection network (100) consisting of a plurality of switching elements (102:165) and a plurality of links coupling the switching elements (102:165) are provided. Physical restrictions of the interconnection network (100) are us
7333514 Flexible frame scheduler for simultaneous circuit-and packet-switched communication February 19, 2008
Synchronous and asynchronous data traffic over multipoint ad-hoc telecommunication networks is scheduled in frames, and bandwidth in such networks is allocated based on packet type and traffic type by a scheduler that points to frame descriptors, or data structures, that define where
7333459 Allocation of a server address to a terminal February 19, 2008
The present invention relates to a method for allocating an address of a data service offering server to a communication device such as a mobile services device or a SIM card. With the allocation, the server address is selected from a number of address identifiers. Each address identifie
7333449 Unequal error protection in a packet transmission system February 19, 2008
In a packet transmission system, especially wireless transmission system, where data is transmitted in packets at different error protection levels and where the error protection level of one packet (=the succeeding packet) may differ from the error protection level of a preceding packet
7330906 Method and system for multiple hosts anycast routing February 12, 2008
In case the first indicator specifies a number of anycast members greater than the second indicator, the number of nearest anycast members indicated by the second indicator (in the following: second number of anycast members) are skipped and not contacted, while a number of anycast m
7330073 Arbitrary waveform predistortion table generation February 12, 2008
Predistortion that will compensate for distortion introduced by a power amplifier circuit is determined by applying a time-varying reference signal to the power amplifier circuit, wherein at each moment the time-varying reference signal has a reference amplitude and a reference phase
7330072 Circuit for power amplification February 12, 2008
A radio frequency (RF) power amplifier, including an external control loop and a protection circuit, which functions to maintain a constant output power during variations in impedance on the RF load. In the external control loop a collector current from an output transistor is detected
7328038 Power control in mobile communication systems February 5, 2008
In a radio communication system in a mobile to mobile call with one good (AMR102) and bad (AMR515) radio link, the good radio (AMR102) link is forced by the poor (AMR515) link to use a more robust AMR coded mode (AMR515) and thereby using excessive power (232). A capacity loss in such
7328010 Method and apparatus for steering idle mobile stations February 5, 2008
Idle mobile stations are steered to a particular cell or service area to accommodate subscriber preferences or restrictions, subscription services, or network operator preferences or restrictions and/or to accomplish load redistribution or other network management functions. Multiple
7328008 Means and method for measuring the status of a core interface between two core subnetworks in a February 5, 2008
The invention relates to a signaling method for GSM/GPRS communication systems. The status of a core interface between two core subnetworks is measured in the core network (S2), preferably through a keep-alive mechanism (S1). A status indication message is then sent to the radio netw
7328004 Advertising system using radio communication between advertiser and consumer February 5, 2008
Advertisement system and method of advertising by using one or more advertiser devices, which each corresponds to an advertisement which is perceptible by a user of a consumer device. The advertiser device and the consumer device are equipped with a nearby radio control device, such as
7327985 Mapping objective voice quality metrics to a MOS domain for field measurements February 5, 2008
A processing unit and method are described herein that are capable of estimating a quality of a speech signal transmitted through a wireless network. The processing unit uses a logistic function to map a score output from an objective voice quality method (PESQ algorithm) into a mean
7327817 Method and device for providing timing information in a wireless communication system February 5, 2008
A method and a device of providing timing information within a wireless communication system is described. The timing information is extracted from a received transmit signal. The inventive method comprises the steps of providing a training signal on the receiver side relating to a known
7327811 Method and apparatus for facilitating signal discrimination in a wireless network by applying kn February 5, 2008
Method and apparatus for demodulation in a system having known frequency offsets. First and second signals from two users occupy substantially the same bandwidth and use substantially the same carrier frequency, while the relative frequencies of the signals on different transmit antennas
7327740 Facilitating reliable connection admission control for telecommunications system using AAL2 sign February 5, 2008
In a telecommunications network, for establishing or modifying a radio connection a node (N.sub.1) prepares and sends an AAL2 signaling message (110) for use by a connection admission control function (106) of another node (N.sub.2) of the telecommunications network. In accordance with t
7327695 Centralized link-scope configuration of an internet protocol (IP) network February 5, 2008
A method of configuring link-scope-type managed objects in IP-based networks from a centralized management node. An IP-based network includes at least one management station, a set of network nodes, and communication links between the network nodes and between the management station
7324831 Method and system for asymmetric dual-mode radio communications January 29, 2008
Transmitter and receiver functionality are separated in dual-mode radio transceivers to support high-rate services. Transceivers with highly asymmetric requirements that need only a high-rate transmission or only high-rate reception functionality are supported by including a high-rate
7324811 Method and devices for dialling services January 29, 2008
A method and devices for dialling services in a mobile telecommunication network include a set of stored character strings used for comparison with character strings entered by a subscriber to call a service is modified, if a mobile user equipment switches from or to a visited teleco

 
 
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