Abstract: A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.

Abstract: A subscriber station performs a method for managing a security key. The method includes generating, for each of the base stations, an input value for generation of the security key for data transmission and reception with the each base station; transmitting, to the each base station, the input value for a corresponding base station; and generating the security key of the corresponding base station by using the input value of the each base station. A base station provides cooperative communication to the subscriber station.

Abstract: An apparatus and a method for operating a mobile station in a wireless communication system are provided. The method includes receiving first information transmitted on a secondary carrier from a base station, and transmitting second information for feedback related to the secondary carrier at a feedback region in a primary carrier based on the first information to the base station.

Abstract: A method for handover in a wireless communication system includes: when a received signal strength difference between a serving beam from a serving base station used for communication by a terminal and a target beam of a neighboring base station is equal to or greater than a first threshold value, and a received signal strength difference between an active beam and the target beam is equal to or greater than a second threshold value, determining a handover to the target beam; and transmitting a message to initiate the handover.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure provides an operating method and apparatus for supporting a handover to support a high reliability and low latency service in a wireless communication system. The method of operating the terminal includes receiving data from a service via a first base station (BS), transmitting, to the first BS, a bearer establishment command message between the first BS and a second BS determined by movement information of the terminal, and receiving, from the second BS, data transmitted from the second BS via the established bearer between the first BS and the second BS.

Abstract: A method of determining member Base Stations (BSs) providing cooperative communication to a Mobile Station (MS) in a communication system. The method includes when a candidate list of the member BSs generated using at least one of strengths of signals received from adjacent BSs and cell loading state information of the adjacent BSs is received from the MS, selecting candidate BSs having a service quality larger than or equal to a threshold from candidate BSs included in the candidate list as targets to receive a member negotiation; and performing a capability negotiation with each of the selected targets to receive the member negotiation to select final member BSs and transmitting information on the determined final member BSs to the MS.

Abstract: A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.

Abstract: The present disclosure relates to 5th generation (5G) or pre-5G communication systems for supporting higher data transfer rates, following the 4th generation (4G) communication systems, such as long term evolution (LTE). A method for supporting handover with multi-connectivity in a wireless communication system is provided. The method includes sending a measurement report message including information of at least one small base station (eNB) to a macro cell eNB, receiving information of a new small eNB in a target cell from the macro cell eNB based on the measurement report message, and performing a random access procedure with the new small eNB in the target cell based on handover.

Abstract: An electronic device is provided. The electronic device includes a first electromagnet mounted to a side surface of the electronic device and configured to generate a magnetic force, a data channel terminal configured to transmit and receive a signal for detecting whether another electronic device is attached, and a processor configured to determine at least one of a polarity and a strength of the magnetic force of the first electromagnet for an attachment or detachment between the electronic device and the other electronic device, control the first electromagnet according to at least one of the determined polarity and strength, and detect an attachment or detachment state between the electronic device and the other electronic device.

Abstract: An apparatus and method for operating a paging control in a broadband wireless communication system are provided. The method includes receiving paging information used to determine a location of a paging listening interval in an idle mode, determining whether multiple pagings are applied, using a maximum paging number field contained in the paging information, determining locations of a plurality of paging listening intervals in a paging cycle using a paging spacing value and an initial paging offset contained in the paging information, and determining whether the terminal is paged in each of the paging listening intervals.

Abstract: Beam selection is provided. A method for handover in a mobile station includes sending a scan request message for scanning a downlink (DL) beam with respect to a serving base station (BS) and a neighboring BS, to the serving BS, and receiving a scan response message; determining the DL beam for the MS by performing scanning with the serving BS and the neighboring BS based on the scan response message; sending a scan report message comprising a result of the scanning to the serving BS; when receiving an air-HO request message from the serving BS, generating an air-HO response message comprising information of a neighboring BS to which the MS hands over based on the air-HO request message; performing beam selection with the neighboring BS of the handover based on the air-HO request message; and performing the handover.

Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for providing a service in a first device in a vehicle to everything (V2X) communication system is provided. The method includes transmitting a first message related to the service; receiving, from a second device, a second message notifying that the second device enters a zone related to the service; and transmitting, to the second device, a third message indicating that the first device confirms that the second device enters the zone.

Abstract: A method for transmitting a data packet in a transmitting apparatus in a wireless communication system is provided. The method includes receiving first feedback information including buffer status information indicating information related to a status of a buffer included in a receiving apparatus from the receiving apparatus, determining a number of first data packets to be transmitted to the receiving apparatus based on the buffer status information, determining a number of second data packets which is identical to at least one of the number of first data packets based on a data packet loss rate for each of a plurality of paths, and encoding the determined number of first data packets and the determined number of second data packets and transmitting encoded first data packets and encoded second data to the receiving apparatus through each of the plurality of paths.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The purpose of the present disclosure is to discover a small cell in a wireless communication system. An operation of a terminal in the wireless communication system includes receiving a first signal for informing of existence of a small cell according to a first measurement period and attempting to detect the first signal and a second signal for informing of a service coverage of the small cell according to a second measurement period after detecting the first signal. In addition, the present disclosure also includes embodiments other than the embodiment described above.

Abstract: Provided is a method for providing a service by a Base Station (BS) in a wireless communication system. The method includes setting up a radio link to a Mobile Station (MS) to provide the service; receiving BS information from at least one BS that cooperates to provide the service; and selecting an alternative BS for replacing the BS from among the at least one BS based on the BS information.

Abstract: A method of performing a Network Coding (NC) by a transmitting node in a wireless communication system, the method comprising receiving uplink packets from a plurality of nodes through respective links, grouping the links into at least one group based on channel quality information, each group satisfying a listed range of channel quality information, performing the NC on downlink data for each group and transmitting each scheduling information shared by each group to the at least one respective group. A method of receiving network-coded data in a wireless communication system comprises transmitting an uplink packet to a transmitting node, receiving scheduling information shared by a group of links from the transmitting node, the group of links satisfying a listed range of channel quality information, receiving downlink data on which NC is performed and decoding the downlink data based on the scheduling information.

Abstract: A method for managing a packet in a system supporting network coding includes receiving, from a relay, information on a packet to which the network coding is applied, receiving, from the relay, the packet to which the network coding is applied, confirming whether a packet required for an operation of the UE can be acquired from the received packet on the basis of information on the packet to which the network coding is applied, and storing packets into different buffers by distinguishing between the packet required for the operation of the UE and a packet not required for the operation of the UE. Other embodiments including an apparatus for managing a packet are also disclosed.

Abstract: A method and apparatus for operating an analog beam is provided. The apparatus includes a hybrid beam-forming structure having a small number of digital chains provided in a digital stage and a signal is transmitted and received in a Time Division Multiple Access (TDMA) scheme. The apparatus includes an analog beam-forming operating unit configured to change the analog beam for a counterpart device for which use of a next frame is to be permitted, upon receiving a request for using the next frame from at least one of multiple devices that transmit and receive signals in units of frames and a communication unit configured to transmit information indicating that the analog beam is changed to permit the use of the next frame by the counterpart device to the multiple devices.

Abstract: A method of establishing synchronization with a base station by a mobile station in a communication system using beamforming includes: receiving a downlink signal transmitted through at least one transmission beam by using at least one reception beam; determining at least one of a propagation delay and a signal strength of the received downlink signal for each downlink transmission/reception beam pair through which the downlink signal is transmitted/received, wherein each downlink transmission/reception beam pair includes a transmission beam through which the downlink signal is transmitted from the base station and a reception beam through which the downlink signal is received by the mobile station; and establishing a downlink frame boundary of the mobile station by using the determined at least one of the propagation delay and the signal strength for each downlink transmission/reception beam pair.

Abstract: A method and an apparatus for providing preamble information in a wireless communication system are provided. The method of a Base Station (BS) of a first system for providing neighbor BS information of a second system in a communication environment covering the first system and the second system together includes generating a message comprising information indicating a superframe boundary of a neighbor BS of the second system, and transmitting the message comprising the information indicating the superframe boundary to a Mobile Station (MS).