Abstract: A method and apparatus may include transmitting uplink communication via an uplink semi-persistent scheduling resource. The method may also include monitoring a control channel for downlink communication. The monitoring comprises monitoring for discontinuous reception. The monitoring is triggered by the transmitting of the uplink communication.

Abstract: There is provided a method comprising: transmitting, by a source network apparatus to a target network apparatus prior to the target network apparatus receiving a message for initiating handover of a user apparatus to the target network apparatus, a request for a radio resource control configuration for use by the user apparatus when accessing the target network apparatus; receiving, by the source network apparatus, a response to the request; and forwarding, by the source network apparatus to the user apparatus, at least part of any radio resource control configuration information comprised in the response.

Abstract: A method comprising including controlling a receiver to attempt to receive a reference signal for cell discovery and/or cell signal measurement, wherein the reference signal is expected to be transmitted at a determined power level within a reference signal transmission window with instances of the reference signal transmission window separated by a first interval and the receiver is controlled to be able to receive the reference signal at a reference signal measurement time, with instances of the reference signal measurement time separated by a second interval; determining at the receiver at least one missing reference signal instance during the reference signal measurement time; and controlling the receiver to be able to receive at least one further reference signal instance at a further reference signal measurement time, the separation of the further reference signal measurement time and the reference signal measurement time being less than the second interval.

Abstract: Various communication systems may benefit from mechanism for enhancing communications. For example, certain wireless communication systems may benefit from enhanced reactivation for light connected user equipment. A method can include preparing a message to be sent to a user equipment. The message can be configured to command the user equipment to enter light connection mode. The method can also include including, in the message with the command to enter light connection mode, an indication of at least one carrier or secondary cell.

Abstract: Methods and apparatus, including computer program products, are provided for dual connectivity. In one aspect there is provided a method. The method may include switching, by a user equipment, between a first carrier associated with a first base station and a second carrier associated with a second base station, wherein the switching is performed based on at least a configuration defining when to perform the switching; and indicate an extension of a time allocated by the configuration at the first base station. Related apparatus, systems, methods, and articles are also described.

Abstract: Systems, methods, apparatuses, and computer program products for enhancing the setup of carrier aggregation (or dual connectivity or multi connectivity or stand-alone LTE/LTE-like on unlicensed band or LAA or LTE-WLAN aggregation) from IDLE mode (or semi-idle or semi-connected or suspended state) are provided. One method includes providing an indication, to at least one UE, of (or configuring the UE with) potential inter-frequency carriers that the UE should measure during IDLE mode (or during semi-idle or semi-connected or suspended state) for potential SCells. The method may further include during or after RRC connection establishment, receiving an indication from the at least one UE that it has inter-frequency carrier(s) and/or SCell measurement results available, and based on the received measurement results, configuring carrier aggregation (or dual connectivity or multi connectivity or LAA or LTE-WLAN aggregation) without further measurements and activating the SCell.

Abstract: Communication systems may benefit from appropriate measurements of transmitters. For example, certain communication systems using dual connectivity may benefit from network controlled and deployment based increased primary cell measurements. A method can include configuring, by a network element, a user equipment to perform measurements on both a master cell group and a secondary cell group, according to activity in the secondary cell group.

Abstract: Various communication systems may benefit from improved secondary cell access. For example, faster secondary cell access may be help to improve the transition time of a user equipment from an idle or inactive state to a connected state. A method may include triggering new traffic at a user equipment, wherein the user equipment is in an idle state or an inactive state. The method may also include performing measurements at the user equipment to find another cell on a carrier after receiving new traffic. In addition, the method may include transmitting an early measurement report comprising the measurements from the user equipment to the network entity. The early measurement report is transmitted before the termination of a measurement period.

Abstract: Embodiments of the present disclosure relate to a method for confirming uplink semi-persistent scheduling deactivation and a terminal device. In example embodiments, an indication of uplink semi-persistent scheduling deactivation is received from a base station while the terminal device stores data available for uplink transmission. Then, confirmation of the deactivation is sent to the base station. Such confirmation of the deactivation may notify the base station that the terminal device has received the indication of the uplink semi-persistent scheduling deactivation and further that the uplink semi-persistent scheduling will be deactivated at the terminal device.

Abstract: There is provided a method for a mobile communication system comprising receiving at a communication device cell configuration information from a network node, and the configuration information being related to cells in a network area comprising a first cell and one or more second cells. Further, the method further comprises receiving at the communication device environment information indicative of overlaps between coverage areas of the first cell and the one or more second cells, and causing transmission of measurement results obtained in the first cell for use in radio resource management of the communication device in the one or more second cells.

Abstract: A method including receiving information indicative of a discovery signal timing measurement configuration including a first measurement phase associated with a first periodicity and at least one second measurement phase associated with a second periodicity, and using the discovery signal measurement configuration for measurement reporting.

Abstract: There is provided a method comprising including determining, at a user device, the occurrence of a first event, the first event being an indication to, after a first time period, provide a measurement report to a serving access point of a network, determining, at the user device, whether a second event has occurred, the second event being an indication to, after a second time period, initiate user device controlled handover from the serving access point of the network, determining whether a handover command has been received from the network in response to the measurement report and prior to expiry of the second time period and, if not, determining to initiate user device controlled handover.

Abstract: In accordance with example embodiments of the invention there is at least a method and apparatus to perform communicating in a network at least one packet over a transport protocol connection, identifying that latency reduction procedures for the transport protocol connection are to be performed, and preventing based on predetermined criteria specific ones of the latency reduction procedures from being performed. Further, in accordance with the example embodiments there is at least a method and apparatus to perform identifying that latency reduction procedures for a transport protocol connection with a mobile device in a network are to be performed, determining that specific ones of the latency reduction procedures are not to be performed, and providing to the mobile device an indication of predetermined criteria to identify the specific ones of the latency reduction procedures that are not to be performed.

Abstract: The disclosure relates to communication in unlicensed radio spectrum based on a discontinuous reception pattern where preconfigured periods are provided for communication of control information. A determination is made that a station is not accessing a transmission channel during at least a part of a preconfigured period. The preconfigured period for signalling the control information is then extended in response to the determining that the station is not accessing the channel. The determining and extending can be provided in a base station and/or communication device communicating with the station.

Abstract: A technique including: detecting at a communication device a first cell meeting one or more cell signal conditions for secondary cell transmission for the communication device, which communication device is currently served by at least a primary cell of a cellular network; determining whether the first cell belongs to a set of potential secondary cells for the communication device including another cell that the communication device has currently reported to the cellular network as meeting one or more cell signal conditions for secondary cell transmission for the communication device; and deciding whether to report said first cell to said cellular network dependent on the result of said determining.

Abstract: A method and apparatus may include transmitting uplink communication via an uplink semi-persistent scheduling resource. The method may also include monitoring a control channel for downlink communication. The monitoring comprises monitoring for discontinuous reception. The monitoring is triggered by the transmitting of the uplink communication.

Abstract: In accordance with an example embodiment of the present invention, a method, including determining, by a user equipment, whether the user equipment is scheduled in one or more time frequency resources of a first transmission time interval or in one or more time frequency resources of a second transmission time interval, where the second transmission time interval is shorter than the first transmission time interval; and based on the determining, adjusting the monitoring of scheduling opportunities within a duration of the first transmission time interval, is disclosed.

Abstract: In response to a request from a source cell, a target cell allocates resources for a user equipment (UE) to establish a connection with that target cell. The target cell sends to the source cell a) a set of RRC parameters that identify the allocated resources and b) an indication of a validity time the set of RRC parameters are valid for establishing the connection. The source cell sends the UE an autonomous user equipment mobility (AUM) configuration (including the set of RRC parameters) and an indication of a validity time during which the AUM configuration remains valid for establishing the connection with the target cell associated with that AUM configuration. The UE stores the AUM configuration and the validity time in its local memory, and utilizes the AUM configuration to establish a connection with the target cell only if the validity time is not expired.

Abstract: There is provided a method comprising: determining, by a network element in communication with a terminal device, to initiate allocation of radio resources to the terminal device from at least one further carrier; as a response to the determining, requesting, from the terminal device, a measurement report for determining at least one cell for providing said radio resources from the at least one further carrier; as a response to the requesting, acquiring the measurement report from the terminal device; determining whether the measurement report indicates one or more cell candidates for providing said radio resources; and as a response to the determining that the measurement report indicates the one or more cell candidates, determining the at least one cell among the one or more cell candidates for providing said radio resources to the terminal device from the at least one further carrier.

Abstract: A method includes determining an estimate of a data packet path time from a first base station 13 to a user equipment (UE), and determining, based at least partially upon a communication received from a second base station 15, an estimate of a data packet path time from the first base station 13 via the second base station 15 to the user equipment (UE) 10. The method includes, based at least partially upon the determined estimates, selecting either the first base station 13 or the second base station 15 to transmit a packet data unit (DPU) (PDU) to the user equipment (UE) 10.