Telefonaktiebolaget Lm Ericsson (publ)

Mark Curran

SaiRamesh Nammi

Gerardo Agni Medina Acosta

Nianshan Shi

Namir Lidian

Jose Luis Pradas

Florent Munier

Cagatay Konuskan

Magnus Stattin

Riikka Susitaival

Béla Rathonyi

Cecilia Eklöf

Cecilia EKLÖF

A network node (), a wireless device () and methods therein, for handling discontinuous transmission, DTX, in a communication using multiple uplink carriers. The communication involves a primary uplink carrier using a first Transmission Time Interval, TTI and a secondary uplink carrier using a second TTI which is different than the first TTI. Values of DTX parameters defined for only one of the first and second TTIs are selected (2:4) for the communication, and the wireless device () is instructed (2:7) to use the selected values of DTX parameters for transmission on both the primary uplink carrier and the secondary uplink carrier. Thereby, misalignment of DTX cycles employed on the two uplink carriers can be avoided or reduced.

Methods, network node and wireless device for discontinuous transmission

In one embodiment, a method in a wireless device for radio resource control ('RRC') connectivity includes transmitting a RRC connection request message to a network node, wherein the RRC connection request message is part of a first RRC connection protocol. The method may also include receiving a responsive message from the network node, wherein the response message is part of the first RRC connection protocol. The method may further include receiving an indication that the wireless device should suppress a RRC connection complete message that is part of the first RRC connection protocol. The method may further include determining that the RRC connection complete message should not be transmitted to the network node and suppressing the transmittal of the RRC connection complete message to the network node.

Methods, apparatuses and computer readable media for optimizing radio resource control RRC connectivity

A method and system for synchronized switching of a Transmission Time Interval (TTI) between at least two different TTI length values. A UEtransmitting a power report, where a control nodeor a Base StationA evaluates the report and decides, based on the evaluation to order the UE to switch to a different TTI length. The order message comprises the number of TTIs after which a TTI switch has to occur, composed a.o. based on radio environment condition. The UE receives a TTI switch order message and replies with a single message to its serving BS with a message to switch the TTI in a synchronous way.

Method, system and device for switching a transmission time interval

In accordance with particular embodiments, a method for offloading a wireless device is disclosed. The method comprises identifying a second best cell. The second best cell provides the wireless device with a second wireless signal that has a first signal characteristic that is less than a corresponding first signal characteristic of a first wireless signal provided by a serving cell. The method also includes offloading the wireless device from the serving cell to the second best cell despite the first signal characteristic of the first wireless signal of the serving cell being better than the first signal characteristic of the second wireless signal of the second best cell.

System, method, and apparatus for offloading wireless devices

The present disclosure relates to radio communication and, more particularly, utilization of probing pilots (e.g. F-CPICHs) in a combined radio cell deployment. In one of its aspects, the disclosure presents an adaptive utilization of probing pilots in a combined radio cell deployment.

Transmission of probing pilots in a combined radio cell

A method and system for synchronized switching of a Transmission Time Interval, TTI, between at least two different TTI length values. A UEtransmitting a power report, where a control nodeor a Base StationA evaluates the report and decides, based on the evaluation to order the UE to switch to a different TTI length. The order message comprises the number of TTIs after which a TTI switch has to occur, composed a.o. based on radio environment condition. The UE receives a TTI switch order message and replies with a single message to its serving BS with a message to switch the TTI in a synchronous way.

Methods for controlling uplink transmission of data to a network node of a communications system a user equipment node are disclosed. The methods include receiving parameters to configure enhanced uplink in CELL_FACH state, determining, whether the user equipment node is able to communicate on an E-DCH in CELL_FACH state and determining whether additional defined conditions have been satisfied, and performing a cell update operation to obtain an E-RNTI value responsive to determining that the User equipment node is not able to communicate on an E-DCH in CELL_FACH state. The methods may also include transmitting uplink data on an E-DCH transport channel to the network node responsive to determining that the user equipment node is able to communicate on an E-DCH in CELL_FACH state and determining that the additional defined conditions have been satisfied. Related user equipment nodes are also disclosed.

Controlling user equipment nodes for enhanced uplink and user equipment nodes configured for enhanced uplink

A base station, comprising a first antenna for transmitting a first pilot signal; a second antenna for transmitting a second a pilot signal; a third antenna for transmitting a third pilot signal; and a fourth antenna for transmitting a fourth pilot signal. The base station is configured to transmit pilot signal power information for indicating power values to a user equipment, UE, receiving the pilot signal power information. The pilot signal power information comprises: a first power value corresponding to the first pilot signal, a second power value corresponding to the second pilot signal, a third power value corresponding to the third pilot signal, and a fourth power value providing information regarding at least two demodulation pilot signals.

Systems and methods for reporting pilot signal power information in a four branch MIMO system

A base station (), comprising a first antenna () for transmitting a first pilot signal; a second antenna () for transmitting a second a pilot signal; a third antenna () for transmitting a third pilot signal; and a fourth antenna () for transmitting a fourth pilot signal. The base station is configured to transmit pilot signal power information for indicating power values to a user equipment (), UE, receiving the pilot signal power information. The pilot signal power information comprises: a first power value corresponding to the first pilot signal, a second power value corresponding to the second pilot signal, a third power value corresponding to the third pilot signal, and a fourth power value providing information regarding at least two demodulation pilot signals.

Methods for controlling uplink transmission of data to a network node of a communications system a user equipment node are disclosed. The methods include receiving parameters to configure enhanced uplink in CELL_FACH state, determining whether the user equipment node is able to communicate on an E-DCH in CELL_FACH state and determining whether additional defined conditions have been satisfied, and performing a cell update operation to obtain an E-RNTI value responsive to determining that the user equipment node is not able to communicate on an E-DCH in CELL_FACH state. The methods may also include transmitting uplink data on an E-DCH transport channel to the network node responsive to determining that the user equipment node is able to communicate on an E-DCH in CELL_FACH state and determining that the additional defined conditions have been satisfied. Related user equipment nodes are also disclosed.

Growing community of inventors

County Carlow, Ireland

Mark Curran