Abstract: A method and apparatus for flushing a hybrid automatic repeat request (HARQ) buffer in a wireless communication system is provided. A user equipment (UE) receives information on multiple resource pools from a network, selects a first resource pool among the multiple resource pools, and stores a media access control (MAC) protocol data unit (PDU) in the HARQ buffer for transmission via the first resource pool. When the UE reselects a second resource pool among the multiple resource pools, the UE flushes the HARQ buffer.

Abstract: A multi-link device (MLD) includes a transmit (TX) circuit, a receive (RX) circuit, and a control circuit. The control circuit controls the RX circuit to receive a first frame under an operation mode parameter with a first setting, control the TX circuit to transmit a second frame responsive to the first frame under the operation mode parameter with the first setting, and after the second frame is transmitted, controls the RX circuit to receive at least one physical layer protocol data unit (PPDU) under the operation mode parameter with a second setting, wherein the second setting is different from the first setting.

Abstract: Embodiments of the present disclosure relate to variable antenna patterns. A method comprises determining respective locations of a plurality of candidate client stations to be communicated with an access point (AP); assigning the plurality of candidate client stations to at least one of a plurality of predetermined station groups based on the determined respective locations, the plurality of station groups being associated with a plurality of antenna patterns supported by the AP, respectively, and the plurality of antenna patterns providing respective radiation coverage areas; in accordance with a determination that at least one target client station is selected from the plurality of candidate client stations for communication, determining a target antenna pattern associated with a target station group to which the at least one target client station is assigned; and causing the AP to communicate with the at least one target client station using the target antenna pattern.

Abstract: A method for updating communication parameters on a mobile device, the method including sending a communication from the mobile device to a server, the communication including a location of the mobile device; receiving at the mobile device, responsive to the communication, a new communication parameter; reconfiguring the mobile device with the new communication parameter; and sending a second communication from the mobile device to the server, the second communication using the new communication parameter.

Abstract: A communications device is configured to transmit and/or receive signals via a wireless access interface provided by a mobile communications network. The wireless access interface comprising a plurality of transmission units each comprising one or more communications resource elements formed by dividing a system bandwidth in time and frequency. One or more transmission units are configured to form combined transmission units, which can be allocated to communications devices for receiving or transmitting signals. The communications device is configured to receive an indication of a combined transmission unit providing one or more of the transmission units for the communications device, and receive an indication for each of the one or more transmission units of the combined transmission unit of whether the transmission unit is for transmitting signals, whether the transmission unit is for receiving signals or whether the transmission unit is not to be used for transmitting or receiving signals.

Abstract: Systems and methods for selecting a communication mode in a wireless network (10) include a communication mode selection procedure that may be carried out by the respective devices in an automated manner to identify a desired mode for communication between an electronic device (14) and a network node (12). Determining the desired mode for communication is based on the electronic device's (14) capabilities and/or the channel conditions of the communication channel between the electronic device (14) and the network node (12). The procedures described herein may allow for the high data rates associated with polarization based MIMO (P-MIMO) in capably equipped electronic devices (14) while preventing communication interruptions due to unfavorable channel conditions.

Abstract: Mechanisms and methods are provided for improving wireless audio transmission and synchronization for multi-channel Bluetooth® Low Energy (BLE) systems. In various embodiments, mechanisms and methods may include generating transmissions having a plurality of Protocol Data Units (PDUs) to BLE-compliant slave devices. The plurality of PDUs may be stored in a buffer. When an error is determined to have occurred in transmitting one of the PDUs, a re-transmission to the slave device may be generated, which may include the PDU in error and any subsequent PDUs of the plurality of PDUs.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be configured to determine a PSD based on a transmission power associated with transmission of an uplink signal. The apparatus may be configured to select one of a first beam or a second beam for the transmission of the uplink signal based on the PSD. The second beam may be wider than the first beam, and may be generated by a single antenna element of the apparatus. The apparatus may be configured to transmit the uplink signal using the selected one of the first beam or the second beam.

Abstract: Provided herein are method and apparatus for channel coding in the fifth Generation (5G) New Radio (NR) system. An embodiment provides an apparatus for a Next Generation NodeB (gNB), including circuitry, which is configured to: generate Downlink Control Information (DCI) payload for a NR-Physical Downlink Control Channel (NR-PDCCH); attach Cyclic Redundancy Check (CRC) to the DCI payload; mask the CRC with an Radio Network Temporary Identifier (RNTI) using a bitwise modulus 2 addition operation, wherein the number of bits for the RNTI is different from the number of bits for the CRC; and perform polar encoding for the DCI payload with the masked CRC.

Abstract: A system for managing clouds of edge devices as an Infrastructure as a Service clouds includes an application server, a location based situational awareness subsystem and a cloud management subsystem. The cloud management subsystem includes a first API through which the application server makes request to the location based situational awareness subsystem and a conductor that searches for the optimal deployment of cloud resources that meet a set of constraints. A second API for managing and deploying applications on a selected set of the plurality of network connected devices. The system also includes a compute node that can interact with the selected set of the plurality of network connected devices to launch and manage containers on the selected set of the plurality of network connected devices.

Abstract: Various types of communication may switch from an unlicensed spectrum to a licensed spectrum. MiCr communication may be synchronized based on transmission time intervals (TTIs), which may improve the duration required to switch between bands. A MiCr system may transmit a signal to temporarily suspend other traffic in a licensed band so that MiCr communication may occur. For example, an apparatus may be configured to determine synchronization between a first radio access technology (RAT) and a second RAT based on transmission time intervals associated with the first RAT and transmission time intervals associated with the second RAT, switch from the first RAT to the second RAT after the determined synchronization between the first RAT the second RAT; and transmit, during a TTI associated with the second RAT, a first packet using the second RAT based on the switch from the first RAT to the second RAT.

Abstract: While suppressing a power consumption of an aerial-floating type communication relay apparatus, an interference in a multi-feeder link of a same frequency between the communication relay apparatus and plural gateway (GW) stations is suppressed. A relay communication station of the communication relay apparatus performs a first interference suppression process and a second interference suppression process by switching therebetween. The first interference suppression process suppresses an interference signal that causes an interference by a transmission signal transmitted from a gateway station and received with a directional beam corresponding to another gateway station, by using a propagation path response estimated with one frequency in a transmission signal band as an estimation frequency based on a reception result of a pilot signal without dividing a transmission signal band of a feeder link.

Abstract: A printing device has a print unit for printing on roll paper; a wireless communication unit for communicating wirelessly with a paired control device; and a controller for receiving print data by wireless communication from the control device, and controlling the print unit based on the received print data. When changing from a pairing-disabled mode to a pairing-enabled mode, the controller controls the print unit to print pairing-related information on roll paper, does not process pairing in the pairing-disabled mode, and processes pairing when a pairing request is received in the pairing-enabled mode.

Abstract: Methods, systems, and devices for wireless communications are described. A first node of a wireless communications network may determine a service type of the first node. The first node may transmit, to a second node during a random access procedure, an indication of the service type of the first node. The first node may then establish a connection with a unit of the second node that is for serving nodes of the wireless network associated with the service type. The connection may be established based on transmitting the indication of the service type.

Abstract: An apparatus is provided for classifying content in one or more transactions. The apparatus includes a transaction boundary detector to detect boundaries of the one or more transactions associated with a first server or a first destination, wherein the one or more transactions include one or more requests from a client or a source and one or more corresponding responses from the first server or the first destination. A multimedia session generator generates a multimedia session object based on the detected boundaries of the one or more transactions. A multimedia classifier classifies the content associated with a first multimedia session. A traffic processing and policy enforcement unit applies traffic management to the first multimedia session based upon the classification.

Abstract: A method of transmitting a broadcast signal, includes processing one or more input packets to generate one or more link layer packets, a link layer packet including a header and a payload, the header including packet type information representing a type of an input packet in the payload and payload configuration information representing a configuration of the payload, the payload configuration information representing whether the link layer packet carries a single input packet or not, wherein the type of the input packet is either an Internet Protocol (IP) packet or a Movie Picture Exports Group (MPEG) Transport Stream (TS) packet, the payload configuration information is set to 0 (zero) in response to a layer packet including a single input packet, and 1 in response to a link layer packet including more than one input packet or a segmented part of one input packet, in response to the link layer packet including the single input packet, the header includes header mode information, the header mode information

Abstract: This disclosure provides systems, method, and computer-readable media for operating a sensor network. The sensor network can include an array of sensor devices and gateways. The sensor devices can sense various conditions of an environment. The sensor devices can include temperature sensors, occupancy detectors, access sensors, motion sensors, tracking devices, etc. The sensor devices can also network and communicate with one another and the gateways in an ad hoc or mesh network. The environment can include different locations, such as warehouse, office building, a complex of buildings, cargo vehicles, containers or the like. The sensor network can be deployed for controlling power consumption, logistics, automated manufacturing, healthcare, intelligent buildings, and smart cities among many other implementations. The sensor devices can communicate sensed conditions and transmit data among each other without a predefined route.

Abstract: Provided are a delinking method implemented by a remote UE in a wireless communication system, and a device using said method. The method is characterized by: receiving a disconnect message for disconnecting a link between a relay UE and the remote UE; disconnecting the link on the basis of the disconnect message; and not attempting to establish a link between the remote UE and the relay UE in a UE-specified time section.

Abstract: The present disclosure provides a radio station and a radio communication method capable of performing efficient control in Dual Connectivity. A radio station (10) includes: a classification unit (11) that classifies, when a data radio bearer is established with a communication terminal through a radio station (20), the data radio bearer into one of a plurality of groups based on a predetermined classification condition; and a transmission unit (12) that transmits, to the radio station (20), an establishment request message requesting establishment of the data radio bearer, and the group into which the data radio bearer is classified.

Abstract: According to certain embodiments, an electronic device comprises a first communication circuit configured to support a first communication protocol; a display; and at least one processor operatively connected to the first communication circuit and the display, wherein the at least one processor is configured to: configure a cluster with at least one external electronic based on the first communication protocol device through the first communication circuit, receive through the first communication circuit, from the at least one external electronic device, information identifying at least one short-range communication device connected to the at least one external electronic device via a second communication protocol, and control the display to display at least one indicator of the at least one short-range communication device based on the information received from the at least one external electronic device.

Abstract: A data storage system including a data storage device located on a first network and configured to download data from a network site based on universal resource locator (“URL”) information of the network site, and an electronic device located on a second network different than the first network. The electronic device determines the URL information of the network site, receives user authentication data, receives a network address of the data storage device from a server using the user authentication data, and transmits the URL information to the data storage device using the network address of the data storage device. This causes the data storage device to download data from the network site contingent on correct user authentication being provided.

Abstract: In accordance with an embodiment, an electronic device includes a secure element configured to implement a plurality of operating systems; and a near field communication module coupled to the secure element by a single bus and by a routing circuit configured to route routing data between the plurality of operating systems and a receive circuit of the near field communication module.

Abstract: A control link switch method is employed by a wireless fidelity (WI-FI) multi-link device (MLD). The control link switch method includes: sending a request frame to another WI-FI MLD for requesting a switch process of switching a current control link to a new control link, and receiving a response frame from another WI-FI MLD. After the response frame is received, the new control link is selectively enabled at the WI-FI MLD.

Abstract: A user equipment (UE) and a method for small data transmission (SDT) are provided. The method includes receiving a Radio Resource Control (RRC) release message from a Base Station (BS), the RRC release message indicating an SDT configuration including a Configured Grant (CG) configuration and a timer; initiating a transmission on an Uplink (UL) resource while the UE is in an RRC_INACTIVE state, the UL resource being either configured by the CG configuration or scheduled by a UL grant from the BS; starting or restarting the timer after initiating the transmission; and monitoring a Physical Downlink Control Channel (PDCCH) addressed to a specific Radio Network Temporary Identifier (RNTI) on a specific search space while the timer is running.

Abstract: Methods, systems, and devices for wireless communications are described that allow for a first user equipment (UE) to forward a transmission from a second UE to a base station. The forwarding techniques may include the first UE performing a decoding procedure on a message received from the second UE via a sidelink communications link. Based on the results of the decoding procedure, the first UE may select an amplify and forward (AF), decode and forward (DF), or a combination thereof to forward the message from the second UE to the base station. The base station may receive the forward messages and, in some cases, a message directly from the second UE, and may determine decoding weights to use to jointly decode the two messages received at the base station.

Abstract: An embodiment of the invention may include a method, computer program product and system for managing a sensor area network. An embodiment may include, in response to receiving a geofence trigger event from an Internet of Things device, determining whether to add the Internet of Things device to a sensor area network of Internet of Things devices within a geofence area based on a validation technique. An embodiment may include, in response to determining to add the Internet of Things device, updating the sensor area network with information associated with the Internet of Things device. An embodiment may include enabling sharing of information within the sensor area network between member devices of the sensor area network and the Internet of Things device.

Abstract: An electronic device for a multi-antenna communication apparatus in a processing circuit. The processing circuit is configured to: map a first information bit to a first reconstructed channel in a plurality of reconstructed channels associated with a plurality of antennas of a multi-antenna communication apparatus; and provide a reconstruction parameter corresponding to the first reconstructed channel, so as to reconstruct an actual channel from the multi-antenna communication apparatus to a peer communication apparatus to bear the first information bit, wherein the plurality of reconstructed channels are determined by configuring, based on a plurality of groups of reconstruction parameters, the plurality of antennas of the multi-antenna communication apparatus, so that the plurality of reconstructed channels have a low correlation with each other.

Abstract: A method, system, and computer program product for managing user identification codes in an internet advertising environment. One aspect implements a system including a database engine to store a plurality of signals comprising characteristics and/or values received from a user device. A user ID generator calculates collision statistics and/or fragmentation statistics to form a first mapping function that is in turn used to generate a plurality of identification codes based at least in part a first set of selected signals. A calibration module produces measurements determined from collision quantities and/or fragmentation quantities using the first mapping function, wherein the measurements are determined by comparing the plurality of identification codes to entries in a known ID database. A sequencing module generates updated sequences of mapping functions.

Abstract: A mobile computing device is configured to dynamically aggregate wireless communications on a common antenna. The device determines that a WiFi communication in a first frequency band is associated with an antenna, the WiFi communication having a number of assigned transmission time slots. The device determines that a second wireless communication in a second frequency band also is associated with the antenna, and determines a periodicity and/or a media quality of the second wireless communication. Based on the periodicity and/or media quality of the second wireless communication, the device aggregates the WiFi communication and the second wireless communication, the aggregation comprising assigning a number of packets of the second wireless communication to an aggregation frame of a plurality of frames associated with the transmission time slots assigned to the WiFi communication.

Abstract: Disclosed in the present invention are a method, network apparatus, terminal apparatus, and computer storage medium for indicating a position of a synchronization signal block. The method comprises: determining a transmission position of a synchronization signal block of at least one cell of a first type; and sending to a terminal apparatus, by means of signaling, the transmission position of the synchronization signal block of the at least one cell of the first type, wherein the terminal apparatus is covered by a cell of a second type managed by the network apparatus.

Abstract: A mesh device for receiving and processing a private beacon message, which can be represented by one or more Bluetooth Low Energy mesh packets. Upon receiving the private beacon message, the mesh device decrypts a first portion of the private beacon by using a first encryption key corresponding to a first subnet, wherein the first portion comprises an initialization vector (IV), in the form of an index or other indicator. The decrypting using the first encryption key results in a first decrypted value for the IV index. The mesh device then determines whether the first decrypted value for the IV index is valid or invalid. If the mesh device determines the first decrypted value to be valid, the mesh device proceeds with authenticating the data contained in the private beacon message.

Abstract: Embodiments of the present disclosure provide a secure communication method, a client and a non-public server. The secure communication method includes: generating a set of destination addresses of a non-public server based on an IPv6 prefix of the non-public server, and a signature string and a user ID of a client, wherein the signature string is obtained by signing an IPv6 address and the user ID of the client based on a private key of the client; initiating a set of connection request to the non-public server based on a set of communication connections containing the set of destination addresses, for the non-public server to determine a public key corresponding to a user ID based on the user ID in the set of destination addresses, verifying the set of communication connections based on the public key, and establishing communication when the verification of the set of communication connections passes.

Abstract: An apparatus and method for using a bandwidth (BW) allocation in a Time Division Multiple Access (TDMA) network. The method includes filling a buffer having a buffer length with a demand-inducing stream data until either the demand-inducing stream data is exhausted or the buffer length equals the BW allocation, determining a leftover BW as the BW allocation minus the buffer length after the filling, composing a leftover buffer when demand-deferring stream data is present, where the leftover buffer includes a transmission header (TH) and a transmission data (TD) includes a portion of a demand-deferring stream data, and transmitting the buffer and the leftover buffer in a time slot associated with the BW allocation. In the method, a length of the TH plus a length of the TD is less than or equal to the leftover BW.

Abstract: Systems, apparatuses, and methods for utilizing different modulation coding schemes (MCSs) for different components of a video stream are disclosed. A system includes a transmitter sending a video stream over a wireless link to a receiver. The transmitter splits the video stream into low, medium, and high quality components, and then the transmitter modulates the different components using different MCS's. For example, the transmitter modulates the low quality component using a lower, robust MCS level to increase the likelihood that this component is received. Also, the medium quality component is modulated using a medium MCS level and the high frequency component is modulated using a higher MCS level. If only the low quality component is received by the receiver, then the receiver reconstructs and displays a low quality video frame from this component, which avoids a glitch in the display of the video stream.

Abstract: Disclosed are a data transmission method and apparatus, which can improve the performance of a system. The method comprises: a terminal device receiving indication information sent by a network device, the indication information being used to indicate a first downlink scheduling time domain resource in a first time-frequency resource region, wherein frequency domain resources comprised in the first time-frequency resource region are a part of a system bandwidth; and the terminal device receiving, on a first downlink data time domain resource, data sent by the network device according to the indication information.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first downlink control information (DCI) scheduling a downlink transmission at the UE, where the first DCI includes an indication of a first resource allocation for the downlink transmission. The UE may determine that the downlink transmission includes a downlink data message multiplexed with second DCI. The UE may receive an indication of a second resource allocation for the second DCI. The UE may determine a transport block size (TBS) of the downlink data message based on the first resource allocation for the downlink transmission and the second resource allocation for the second DCI. The UE may then process the downlink transmission based on the TBS of the downlink data message.

Abstract: An apparatus includes a processor; and a non-transitory memory including computer program code; wherein the memory and the computer program code are configured to, with the processor, cause the apparatus at least to: report at least two reported beams to a radio node; receive a configuration from the radio node for at least two configured beams, the at least two configured beams comprising a primary beam and at least one secondary beam; attempt to decode data based on the primary beam, per monitoring occasion for a downlink channel, based on the received configuration; in response to a failure to decode the data based on the primary beam, attempt to decode the data based on the at least one secondary beam over the downlink channel; and transmit or receive information over a scheduling occasion using at least one of the at least two configured beams following a successful decoding attempt.

Abstract: Example methods, apparatus, articles of manufacture and systems for providing secondary coverage in a mobile communication system are disclosed. Example methods for a first device to provide secondary coverage in a mobile communication system include transmitting a secondary coverage signal and receiving a presence indication from a second device. Such example methods can also include reporting the presence indication to an access node of the mobile communication system. Such example methods can further include receiving information from the access node to enable relay node functionality in the first device in response to reporting the presence indication to the access node.

Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of a UE is provided.

Abstract: A semiconductor device includes a transmission control unit which performs transmission processing, an area determination unit which determines whether an own vehicle is located in an intersection area, and an operation mode determination unit which determines either a control mode or a terminal mode as an operation mode of a radio terminal device based on an identification information for identifying a source of a received communication frame, and a determination result by the area determination unit. When the operation mode is determined to be the control mode, the transmission control unit outputs, as transmission data, a communication frame including generated control information. When the operation mode is determined to be the terminal mode, the transmission control unit outputs transmission data in synchronization with the received communication frame.

Abstract: In a method and apparatus for inter-satellite communications, transmissions between a satellite and neighboring satellites that share an orbital plane occur via an aft antenna or a forward antenna and transmissions between the satellite and neighboring satellites that do not share an orbital plane occur via the aft antenna or the forward antenna timed during orbital plane crossings. This occurs even if the total path length and number of links is higher than inter-satellite communications that use side-to-side transfers.

Abstract: Disclosed is a method for determining transmit power in a wireless communication system according to one embodiment of the present invention. The method, which is performed by a terminal, comprises the steps of: receiving a semi-persistent scheduling (SPS) setting of a short transmission time interval (sTTI); receiving control information for SPS-related transmit power control according to the received setting; and determining an SPS-related transmit power by using a transmit power control (TPC) command included in the received control information, wherein the control information may include a TPC command for each of a plurality of TTI lengths, which includes an SPS-related TPC command of the sTTI.

Abstract: A wireless device receives, from a base station of a first public land mobile network (PLMN), an indication of a failure of a second PLMN. In response to the failure, the wireless device sends, to the base station, an identifier of the second PLMN.

Abstract: A communications backpack is disclosed. In one embodiment, the communications backpack includes a backpack; a Radio Area Network (RAN) device in mechanical communication with the backpack; a mini-server in mechanical communication with the backpack and in electrical communication with the RAN device; at least one hot swappable battery in mechanical communication with the backpack and in electrical communication with the RAN device and the mini-server; at least two antennas, wherein the two antennas are stored in a first position alongside the backpack and are movable to a second position where the two antennas are coupled to the backpack and in electrical communication with the RAN device; and wherein the communications backpack provides a coverage area of up to 3 kilometers (km).

Abstract: Example techniques for data retransmission in systems that do not utilize explicit hybrid automatic repeat request (HARQ) feedback are presented, including an example method (400) by a wireless device (102) that includes starting (402) a timer for a hybrid automatic repeat request (HARQ) process associated with a transport block (TB) transmission (105) by the wireless device (102) to the network node 106). The method (400) includes identifying (404) a HARQ policy (113) for the HARQ process, the HARQ policy (113) governing whether the wireless device (102) is to retransmit the TB or transmit a new TB where no HARQ feedback responsive to the TB transmission (105) is received from the network node (106) before the timer expires. Furthermore, the method (400) includes retransmitting (406) the TB or transmitting the new TB according to the HARQ policy (113) at a next periodic transmission occasion (307) for the HARQ process after the timer expires.

Abstract: The present invention relates to methods and apparatuses for controlling commissioning and/or control of a combo network device with dual connectivity in a wireless network by using a smart device. In a factory new state, the combo network device has not yet joined any wireless network by its first connectivity (e.g. Zigbee) and thus broadcasts a beacon with beacon information to solicit a connection from the smart device by its second connectivity (e.g. BLE). If the combo network device joins a wireless network, it enters an associated state in which the beacon information will now contain an identification of the wireless network. Thus, the beacon information changes based on the status of the combo network device and supports a handover process for an installer or controller.

Abstract: Provided are a method of transmitting a dedicated reference signal (DRS), a method of receiving a DRS, and a feedback method of a terminal. The method of transmitting a DRS includes determining a DRS transmitting resource for at least one terminal which is a target of transmission, and transmitting the DRS using the determined transmission resource and notifying the terminal of information about layer used by the terminal. The method of receiving a DRS includes determining a DRS receiving resource, receiving information about layer used by a terminal from a serving cell base station, and receiving the DRS for the terminal using the determined reception resource and the information about layer. Accordingly, a terminal can find the position and sequence of its DRS. In particular, in the case of multi-user multiple input multiple output (MU-MIMO) or joint scheduling, it is possible to prevent or remove signal interference using the DRS of another terminal.

Abstract: Methods and apparatus are provided for transmission and reception of common channel information in a mobile communication system using multi-antenna-based beamforming. A number of beams to be used for transmission to a terminal is determined at a base station. The common channel information is generated corresponding to the number of beams. The common channel information is transmitted from the base station to the terminal through one of the beams.

Abstract: Methods and apparatus are provided for transmission and reception of common channel information in a mobile communication system using multi-antenna-based beamforming. A number of beams to be used for transmission to a terminal is determined at a base station. The common channel information is generated corresponding to the number of beams. The common channel information is transmitted from the base station to the terminal through one of the beams.