Stockholm, Sweden
Stockholm, Sweden

Ericsson is a Swedish multinational provider of communications technology and services. The company's offerings comprise services, software and infrastructure in information and communications technology for telecom operators and other industries, including traditional telecommunications as well as Internet Protocol networking equipment, mobile and fixed broadband, operations and business support solutions, cable TV, IPTV, video systems, and an extensive services operation. Ericsson has a market share of 35% in the 2G4G mobile network infrastructure market.Founded in 1876 by Lars Magnus Ericsson, the company is today headquartered in Stockholm, Sweden. The company employs more than 110,000 people and works with customers in more than 180 countries, including the United States, China, India, Brazil, Japan, South Africa, Australia, Germany, Italy, the UK, and Sweden. Ericsson holds approximately 35,000 granted patents as of 2012, including many in the wireless communications field. Wikipedia.


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Patent
Ericsson AB | Date: 2017-01-04

Method and apparatus for providing access to local service devices. A communication network node enables a wireless communication device to communicate with a local service device, such as a printer or a projector, of a Local Area Network (LAN) or Wireless Local Area Network (WLAN). The communication network node is connected both to a communication network and to the LAN or WLAN. The method comprises identifying 200 a multicast Domain Name System (mDNS) request, wherein the m DNS request being received from the wireless communication device, and assigning 202 a LinkLocal (LL) -address for the wireless communication device. The method comprises also retrieving (204) a local IP-address of an Authentication and Authorisation Service (AA-S) having authorisation information regarding a local service device, and authenticating (206) with the AA-S which type of services that the wireless communication device is authorised to use. Moreover, the method comprises, retrieving (208) a local IP-address of the local service device, and conveying (210) service data between the wireless communication device and the local service device, by applying the LL-address of the local service device.


Patent
Ericsson AB | Date: 2017-04-12

The disclosure pertains to the field of Credit Control. More particularly the disclosure relates to methods of pre-emptive credit control, as well as to corresponding network elements and to a computer program. According to one aspect the disclosure relates to a method performed in a network element comprising receiving, from an online charging system, at least one pre-emptive credit control directive for a subscriber, the credit control directive applying to at least one rating group; storing the at least one pre-emptive credit control directive in the network element and applying the at least one pre-emptive credit control directive at content or service delivery start, prior to any service or content received from, or addressing, the subscriber and belonging to the at least one rating group being forwarded from the network element.


Patent
Ericsson AB | Date: 2017-03-15

There is provided beam forming using an antenna array. The antenna array is configured to transmit across an angular sector. The angular sector is divided into at least two sub-sectors by respective port weights being applied to respective physical antenna ports of the antenna array. A respective set of virtual antenna ports is determined for each sub-sector. A first set of reference signals for acquiring channel state information on the set of virtual antenna ports is alternatingly transmitted in each one of the at least two sub-sectors.


It is provided a core network node (107; 207), e.g. MME, and a first network node(109; 209), e.g. a OAM congestion reporting function node,for managing wireless device associated information, in particular for or as part of congestion handling. The nodes are comprised in a wireless communication network (100; 200), such as a telecommunications network. The core network node(107; 207) obtains the wireless device associated information, encrypts it into an encrypted representation and sends data comprising the encrypted representation to an OAM system (108; 208) via a RAN (101; 201). The first network node (109; 209) receives (306; 71), from the OAM system (108; 208), the encrypted representation of the wireless device associated information, and decrypts it using one or more decryption keys accessible by the first network node (109; 209).


Patent
Ericsson AB | Date: 2017-03-01

A clock generation circuit is operative to disable and enable a plurality of output clock signals while maintaining predetermined phase relationships between the clock signals. A reference clock signal is divided by a factor of at least two, to generate a master clock signal. A plurality of phase circuits, each independently enabled, generates a plurality of output clock signals by dividing the reference clock signal. The output clock signals have predetermined phase relationships relative to each other. Each phase circuit is enabled synchronously to a synchronization edge of the master clock signal. A synchronization circuit associated with each phase circuit ensures synchronization with the master clock signal by outputting a phase circuit enable signal only upon the conditions of a clock enable signal associated with the output clock being asserted and the receipt of a predetermined number of master clock signal synchronizing edges.


Patent
Ericsson AB | Date: 2017-01-04

A linearization circuit of an amplifier system improves the linearity of a power amplifier based on an envelope of an input RF signal. The linearization circuit comprises an RF signal generation circuit, a replica circuit, and an adaptive amplifier. The RF signal generation circuit generates the RF signal from a phase and an amplitude of an input digital signal. The replica circuit extracts the envelope from the RF signal and generates a sensing voltage based on the extracted envelope. The adaptive amplifier generates an adaptive bias voltage for the power amplifier based on the sensing voltage, and applies the adaptive bias voltage to the power amplifier and to the replica circuit to improve the linearity of the power amplifier by regulating the power amplifier and the replica circuit according to the envelope.


Patent
Ericsson AB | Date: 2017-02-08

A method and system to reduce a probability of incorrect interruption of an uplink transmission of a wireless device are disclosed. According to one aspect, decoding of a sequence of bits obtained from a signal received by the wireless device is performed without knowing whether the sequence corresponds to one of a grant for uplink transmission and noise. Decoding of the sequence of bits is performed to determine a probability metric associated with a first m bits of the sequence, where m is an integer greater than 1. The probability metric is compared to a threshold. The received signal is interpreted as having a grant sequence if the probability metric is greater than the threshold. The received signal is interpreted as noise if the probability metric is not greater than the threshold.


Patent
Ericsson AB | Date: 2017-01-04

A technique of processing in a telecommunications core network a call between at least a first subscriber terminal and a second subscriber terminal. Verifying that the call is eligible for call anylysis by checking the settings of call monitoring consent. Then, a first node on a call control plane of the core network is triggered to provide subscriber data to a call analysis node. The subscriber data includes at least one subscriber identifier. A second node on a user plane of the core network is triggered to direct at least a part of media data included in the call to the call analysis node. Legal interception and monitoring of a call. Separtion of user plane and call control plane.


Patent
Ericsson AB | Date: 2017-03-15

RF amplifier with first and second amplifiers connected to output port via two-stage transmission lines and auxiliary amplifier connected via transmission lines to intermediate nodes of the two-stage transmission lines.


A first and a second radio communication device and a respective method performed thereby for communicating between the first and the second radio communication device are provided. The method in the first radio communication device comprises transmitting, on an unlicensed frequency band, to at least the second radio communication device, an indication of a duration of a guard period, wherein an upcoming data transmission is to be performed to the second radio communication device after the expiration of the guard period. The method further comprises during the guard period, sending and/or receiving information to/from at least one other radio communication device, the other communication device being the second radio communication device or a third communication device.

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