Abstract:
Disclosed is a method and apparatus for searching a target cell for handover in a wireless communication system. The method includes determining a priority of at least one neighboring base station based on the reliability of a direction of a beam allocated to a mobile station, and transmitting a message informing the mobile station of the priority.
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 relates to an operating method of an electronic device for estimating an angle for another device, including: determining errors for candidate angles of channel measurement values corresponding to a plurality of beams for the other device; determining distances between the angle of a beam determined through beam training with the other device and at least one candidate angle; and estimating an angle for the other device based on the distances and the errors. In addition, the present disclosure also includes embodiments different from the above described embodiment.
Abstract:
The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure relates to share data among electronic devices, a method for operating an electronic device includes determining an area where at least one other electronic device to share data is located based on an angle of view of a camera and a distance from a subject, transmitting a signal for identifying the at least one other electronic device located in the area, and transmitting the data to the at least one other electronic device. In addition, the present disclosure includes different embodiments other than above embodiment.
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 invention relates to a method and an apparatus in a communication system. A method of a network node in the communication system comprises the steps of: measuring at least one factor value indicating channel link performance of a channel link between the network node and another network node; identifying a beamforming training scheme based on the at least one factor value; and performing beamforming training with the another network node by means of the selected beamforming training method, thereby finding an optimal beam for maintaining services through the most efficient method according to a channel state and minimizing the time consumed for beamforming training.
Abstract:
The objective of the present invention is to analyze a network topology in a wireless communication system. A method for operating a node performing wireless communication comprises the steps of: decoding a packet in order to acquire information on peripheral links, for transmitting the packet, from the packet that does not use the node as a source or a destination; and transmitting, to a control node for performing scheduling, a message including the information on the peripheral links. In addition, the present invention includes the above-mentioned embodiment and the other embodiments.
Abstract:
Exemplary embodiments of the present disclosure suggest an apparatus and method for rapidly establishing an initial connection and exchanging data among wireless devices in a wireless communication system. According to the exemplary embodiments of the present disclosure, a certain wireless device for transmitting data may discover neighboring wireless devices and display locations of the discovered wireless devices as information in the form of a map. Then, a user can easily select a wireless device to transmit data to based on the information which is displayed in the form of the map as described above, and transmit desired data to the selected wireless device.
Abstract:
An solder ball mounter includes a stage configured to support a substrate, a ball placer head configured to provide solder balls, and a solder ball mask configured to align the solder balls with the substrate. The solder ball mask includes an upper mask layer including an upper opening having a first diameter, a middle mask layer including a middle opening having a second diameter that is larger than the first diameter, and a lower mask layer.
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 relates to an operating method of an electronic device for estimating an angle for another device, including: determining errors for candidate angles of channel measurement values corresponding to a plurality of beams for the other device; determining distances between the angle of a beam determined through beam training with the other device and at least one candidate angle; and estimating an angle for the other device based on the distances and the errors. In addition, the present disclosure also includes embodiments different from the above described embodiment.
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 invention relates to a method and an apparatus in a communication system. A method of a network node in the communication system comprises the steps of: measuring at least one factor value indicating channel link performance of a channel link between the network node and another network node; identifying a beamforming training scheme based on the at least one factor value; and performing beamforming training with the another network node by means of the selected beamforming training method, thereby finding an optimal beam for maintaining services through the most efficient method according to a channel state and minimizing the time consumed for beamforming training.
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 relates to a method and apparatus for selecting a channel in a wireless communication system. A method of operating a terminal in a wireless communication system is provided. The method includes transmitting information regarding a second channel and information regarding a third channel to a peer terminal in a first channel. The method also includes transmitting a first request signal for connection with the peer terminal in the second channel. The method further includes if a response signal for the first request signal is not received in the second channel, transmitting a second request signal for connection with the peer terminal in the third channel. The first channel belongs to a first band, and the second channel belongs to a second band. The present disclosure also includes other exemplary embodiments different from the aforementioned exemplary embodiment.