Aspects of the present disclosure provide techniques and apparatus for multicast/broadcast for enhanced machine type communications (eMTC) and/or narrowband internet-of-things (NB-IoT). In one aspect, a method is provided which may be performed by a wireless device such as a user equipment (UE), which can be a low cost device such as an eMTC UE or NB-IoT device. The method generally includes determining at least one narrowband region of a wideband region for receiving at least one of: multicast information or broadcast information in at least one subframe; and receiving the at least one of: the multicast information or the broadcast information in the determined at least one narrowband region in the at least one subframe.

A communication apparatus that causes an external apparatus to operate through a remote control, the communication apparatus comprising a communication unit configured to wirelessly communicate with the external apparatus, and an instruction accepting unit configured to accept an instruction of an operation for the external apparatus to execute, wherein the communication unit establishes a wireless connection with the external apparatus upon the instruction accepting unit accepting the instruction, and transmits an operation command corresponding to the instruction to the external apparatus and disconnects the wireless connection with the external apparatus upon the external apparatus executing part of a series of operations corresponding to the operation command, without waiting for the remaining operations to be executed.

Systems, methods, and instrumentalities are disclosed for handling the expiration of an inactivity timer. A cellular communications system may include a gateway (GW), for example, a converged gateway (CGW) or a local gateway (LGW). The GW may intercept a first message from the eNB intended for a mobility management entity (MME). The first message may include an indication to initiate removal of a first bearer and a second bearer. The first bearer may include an SI bearer associated with the eNB and the GW and/or include a Radio Bearer associated with the eNB and a wireless transmit/receive unit (WTRLI). The second bearer may include an S I bearer associated with the GW and a serving gateway (SGW). The GW may determine to maintain the second bearer to maintain a communication path associated with the GW and a WTRU and/or send a second message to the eNB to remove the first bearer.

The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for reporting an RLC (Radio Link Control) re-transmission failure in the wireless communication system, the method comprising: receiving, from a base station (BS), an indicator indicating a radio bearer (RB) which the UE reports a RLC retransmission error to the BS; and reporting, to a BS, an Radio Link Control (RLC) retransmission error if the RLC retransmission error occurs in the RB indicated by the indicator.

This disclosure relates to management of a secondary component carrier by a wireless device when using carrier aggregation. According to one embodiment, a primary component carrier for communication between a base station and a wireless device may be configured according to a first wireless communication technology. A secondary component carrier may also be configured. The wireless device may detect a trigger condition to deactivate the secondary component carrier. In response, the wireless device may modify its feedback to the base station with respect to channel conditions for the secondary component carrier to cause the base station to deactivate the secondary component carrier.

A sensor data collecting device includes a first circuit and a controller. The controller has a first state and a second state and acquires data of one or a plurality of sensors in the second state. The first circuit includes a first register and causes the controller to transit from the first state to the second state. The controller sets the first register based on a minimal data generation period among data generation periods.

Systems, methods, and software can be used to transmit data over a radio access technology (RAT). In some aspect, a data transmission using a first radio access technology (RAT) is initiated at a mobile device. A timer is started at a first value. When the timer expires, it is determined that data remains to be transmitted. In response to determining that data remains to be transmitted: the data transmission is suspended, and a search is initiated for a second RAT for transmitting the remaining data. The second RAT provides a higher data rate than the first RAT.

A communication apparatus includes a determination unit configured to determine whether the communication apparatus has joined a wireless network established with another communication apparatus prior to start of a predetermined service, and a leaving unit configured to perform processing for leaving the wireless network according to a result of determination by the determination unit when the predetermined service ends.

An exemplary object of the present invention is to provide a communication system capable of efficiently and equally allocating communication opportunities. A communication system according to the present invention includes: a connection control apparatus (20) that allows, when a connection request message that requests a connection to a network (40) received from a communication apparatus (10) included in a plurality of communication apparatuses in which a synchronous communication is limited corresponds to a message that requests a temporary communication, the communication apparatus (10) to be temporarily connected to the network (40); and a communication timing control apparatus (30) that transmits a communication allowable timing notification message indicating a communication timing to the communication apparatus (10) while the communication apparatus (10) is allowed to be temporarily connected to the network (40).

A method and apparatus for performing an attach/detach procedure or activating/deactivating a power saving mode (PSM) based on proximity with a device in a wireless communication system is provided. According to an embodient, a user equipment (UE) performs a detach procedure or activates a PSM, upon detecting proximity with another device. According to another embodiment, a UE performs an attach procedure or deactivates a PSM, upon detecting non-proximity with another device.