Showing papers by "Muhammad Kazmi published in 2017"

Application of Timing Advance Command in Wireless Communication Device in Enhanced Coverage Mode

Abstract: Embodiments disclosed herein relate to a method in a wireless communication device that operates in an enhanced coverage mode, the enhanced coverage mode comprising sequential repetition of messages sent from the wireless communication device to a network node. An example method includes: receiving a Timing Advance Command TAC from the network node; and adapting a time at which the TAC is applied, wherein a time difference between the time at which the TAC is applied and a time at which the TAC is received shall be greater than or equal to a specified time depending on a type of the used Radio Access Technology, such that application of the TAC does not occur during a period after a first subframe of a repeated uplink transmission till the end of the repeated uplink transmission.

Rat selection in dual mode transceivers

Abstract: The wireless apparatus and network node disclosed herein facilitate the selection and use of one of multiple RATs for communications between the wireless apparatus and the network node. The selected RAT provides a lower energy consumption at the wireless apparatus for the communications with the network node. To that end, the wireless apparatus selects between at least two RATs, e.g., first and second RATs, where the first and second RATs are both coordinated by a network node in communication with the wireless apparatus, and where a system bandwidth of the second RAT and a system bandwidth of the first RAT are both comprised within a third system bandwidth of a third RAT coordinated by the network node.

Wireless device and network node for a wireless communication system and methods thereof

Abstract: The disclosure relates to a method and a wireless device for communication in a wireless communication network, the method comprising the steps of obtaining information of a level of duplication of one or more common control signals or channels; and receiving the common control signals or channels using the obtained information. The method further relates to a network node and a method thereof.

Operation in an environment with two different radio access technologies

Abstract: The invention relates to a method for operating a first access node (100) of a first cellular network in which a first user entity (200) uses a first access technology with at least one first carrier frequency to access a first cell (110) of the first cellular network, the at least one first carrier frequency having a bandwidth. It comprises: -determining that a second user entity (400) or a second access node (300) using a second access technology different from the first access technology may operate in the first cell (110) within the bandwidth of the at least one first carrier frequency in order to access a second cellular network, -transmitting information to the first user entity (200) by which the first user entity is informed about the fact that the second user entity (400) or second access node may operate in the first cell within the bandwidth of the at least one first carrier frequency using the second access technology.

Methods for controlling relative measurements in the presence of lbt

Abstract: In one aspect, a wireless device (50) is configured to perform relative measurements involving radio measurements of transmissions from first and second cells The wireless device determines that LBT operations performed by a network node (30) for one or both of the first and second cells may affect a measurement component of a relative measurement The wireless device (50) performs the relative measurement based on the determination The network node may also determine whether downlink LBT operations performed on the cells impact at least one measurement component of the relative measurement performed by the wireless device The network node (30) determines configuration parameters related to the relative measurement, based on said determining, and signals the configuration parameters to the wireless device

Network node, communication device and methods therein for handling dynamic subframe configurations

Abstract: A network node, a communication device and methods therein, for handling dynamic uplink/downlink, UL/DL, subframe configurations when operating in Time Division Duplex, TDD. The network node obtains capability information indicating whether the communication device supports carrier aggregation and/or frequency band combination, and also indicating whether the communication device supports simultaneous reception and transmission of signals on different carriers or frequency bands. The network node then determines UL/DL subframe configurations for the communication device based on the obtained capability information such that the communication device is to use different UL/DL subframe configurations for different carriers or frequency bands, when certain conditions are fulfilled.

Configuration of autonomous gaps based on repetition level in enhanced coverage

Abstract: Methods and apparatuses disclosed herein involve network-side operations that include adjusting scheduling or reporting times of a wireless device, to accommodate acquisition of neighbor-cell System Information, SI, by the device while operating under conditions of enhanced coverage with respect to the neighbor cell. Further disclosed are network-side operations that include determining the repetition level to be used for transmitting SI, for providing enhanced coverage to one or more wireless devices. Additionally, disclosed device- side operations include configuring the autonomous gaps used in a SI acquisition procedure, in dependence on the number of repetitions determined to be needed for acquiring the SI of a neighbor cell, while the device is operating under enhanced coverage with respect to the neighbor cell.

Methods and radio nodes for performing measurement with multiple numerologies

Abstract: A method in a first radio node for performing measurements in a communication network is provided The method comprises: performing a first amount of measurements on a first signal based on a first numerology; and performing a second amount of measurements on a second signal based on a second numerology; wherein performing the first and second amounts of measurements is based on a relation between the first and second amounts of measurements The first radio node for carrying this method is also provided The first radio node could be a wireless device, for example

Method and device for timing correction in a channel access using a listen-before-talk protocol

Abstract: According to some exemplary embodiments, a wireless device maintains timing associated with uplink transmissions by performing steps for each of a plurality of scheduled LBT transmission opportunities. The steps include performing an LBT assessment to determine whether the wireless device is permitted to transmit in the scheduled LBT transmission opportunity, determining whether or not the timing associated with uplink transmissions is to be adjusted, where said determining comprises determining to not adjust the timing associated with uplink transmissions for any scheduled LBT transmission opportunity for which the LBT assessment indicates that the wireless device is not permitted to transmit, and selectively adjusting the timing associated with uplink transmissions, based on the determining.

Cell quality derivation configuration

Abstract: According to certain embodiments, a method is disclosed for use in a network node. The method comprises determining at least one parameter N per carrier frequency. The parameter N indicates a maximum number of beams to be used by a wireless device for signal measurements in a cell. The method comprises communicating the parameter(s) N to the wireless device.

Methods for Adjusting Uplink Transmission Timing

Abstract: According to some exemplary embodiments, a wireless device maintains timing associated with uplink transmissions by performing steps for each of a plurality of scheduled LBT transmission opportunities. The steps include performing an LBT assessment to determine whether the wireless device is permitted to transmit in the scheduled LBT transmission opportunity, determining whether or not the timing associated with uplink transmissions is to be adjusted, where said determining comprises determining to not adjust the timing associated with uplink transmissions for any scheduled LBT transmission opportunity for which the LBT assessment indicates that the wireless device is not permitted to transmit, and selectively adjusting the timing associated with uplink transmissions, based on the determining.

Methods and apparatuses for adapting serving cell interruption based on numerology

Abstract: Methods, systems and devices for communicating via signaling are described. The system or device determines at least one first numerology and at least one second numerology used for communicating radio signals in a first cell and a second cell, respectively, wherein the at least one first numerology and the at least one second numerology include one or more parameters which define the radio signals in terms of time and frequency. The system or device obtains, based on at least one of the numerologies, a threshold related to at least one signal interruption performance metric. The system or device monitors or maintains a signal interruption performance on the first cell relative to the threshold.