Abstract: The present disclosure relates to a 5th-Generation (5G) or pre-5G communication system to be provided to support a higher data rate than a 4th-Generation (4G) communication system like Long Term Evolution (LTE). A method for transmitting a signal in a communication system according to an embodiment of the present disclosure includes generating a Golay sequence for a weight value in which a correlation peak value is less than a preset threshold value, configuring a Short Training Field (STF) including the generated Golay sequence, and transmitting a signal for a Physical layer convergence procedure Protocol Data Unit (PPDU) including the STF.

Abstract: Apparatuses and methods for maintaining an optimal beam direction in a wireless communication system are provided. The method for operating a receiving node in a wireless communication system includes, determining a first transmission beam is determined as a preferred transmission beam using a plurality of reference signals transmitted by a transmitting node, generating preferred transmission beam information, transmitting the preferred transmission beam information to the transmitting node, receiving transmissions from the transmitting node via the first transmission beam, and determining whether a change of a transmission beam is necessary. When the change of the transmission beam is determined to be necessary, generating a beam change request and transmitting the beam change request to the transmitting node.

Abstract: An apparatus and a method relieve intercell interference in a wireless communication system. In a method for operating a transmission node, a first private message encoding a portion of transmission data of a neighbor transmission node is received. Weight for canceling the first private message of the neighbor transmission node received in a intended reception node is determined. The first private message of the neighbor transmission node multiplied by the weight, a common message encoding a portion of data to be transmitted to the intended reception node, and a second private message encoding the rest of the data are transmitted.

Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). An operating method of a transmitting apparatus in a mobile communication system is provided. The method comprises regenerating a first interference signal for a receiving apparatus that a service is provided by at least one transmitting apparatus different from the transmitting apparatus at second time prior to first time; and transmitting the regenerated first interference signal at the first time.

Abstract: A method and an apparatus for controlling power of an uplink in a beam forming system is disclosed. The method includes generating power control information based on a quality of a signal which is measured for each reception beam of a base station, so as to transmit the power control information to terminals. The method also includes receiving a signal transmitted by using the power control information from at least one terminal.

Abstract: A method and an apparatus for tracking a beam in a wireless communication system are provided. In the method, a plurality of downlink reference signals are received from a base station and at least one downlink transmission beam pattern is determined. A plurality of uplink reference signals are transmitted to the base station, each includes identifier information corresponding to the determined at least one downlink transmission beam pattern. ACKnowledgement (ACK) information indicating that the base station has successfully received an identifier included in the identifier information corresponding to the determined at least one downlink transmission beam pattern from identifier information corresponding to an uplink transmission beam pattern and that the plurality of uplink reference signals from the base station is received.

Abstract: A method and an apparatus for supporting multiuser superposition transmission. The method includes transmitting a signaling message including an indication of multiuser superposition transmission to a first UE among UEs scheduled for multiuser superposition transmission, transmitting, to the first UE, first DCI containing transmission information for the first UE and second DCI containing transmission information for at least one second UE among the UEs for multiuser superposition transmission, and transmitting a first downlink signal containing data for the first UE and a second downlink signal containing data for the second UE in a superposed manner on same resources.

Abstract: An apparatus performs a method for generating information indicating channel quality when a dynamic range of a receive signal strength and an interference signal strength is considerable in a wireless communication system using beamforming. A base station (BS) for processing feedback information for scheduling receives from a mobile station (MS) first feedback information comprising a receive signal strength measurement result in paths selected from a plurality of downlink paths between the BSs and the MS, designates a transmit (TX) resource for interference measurement of the MS based on the first feedback information, receives from the MS second feedback information comprising an interference measurement result in the designated TX resource region, and calculates a Signal to Interference plus Noise Ratio (SINR) of the MS based on the first feedback information and the second feedback information. The designated TX resource includes a resource other than a signal TX resource for the MS.

Abstract: A method of operating a Mobile Station (MS) in a wireless communication system using beamforming includes receiving a reference signal over a plurality of downlink transmit (Tx) beams, measuring channel quality information of the received reference signal, and generating effective channel quality information by compensating for beamforming gain compensation information according to the channel quality information.

Abstract: A method for transmitting data by a transmission node in a wireless communication system is provided. The method includes transmitting, to a base station, a channel information request, transmitting, to the base station, a data packet based on a first channel information value received in response to the transmitted channel information request, and awaiting reception of a response packet indicating reception of the data packet from the base station, if the reception of the response packet fails during a predetermined time interval, detecting an energy level of a signal received in the predetermined time interval, and reconfiguring one of a transmitting method for the response packet and a transmitting method for a next data packet based on the detected energy level.

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). Embodiments of the present invention provide a method and an apparatus for adaptively determining a beam sweeping pattern of a base station in a beamforming-based wireless communication system. An embodiment of the present invention provides an operating method of a serving base station in a wireless communication system, the operating method comprising: receiving, from at least one terminal, beam collision information indicating a collision between beams received from the serving base station and at least one neighboring base station adjacent to the serving base station; and adjusting a beam sweeping pattern of a beam transmitted to the at least one terminal on the basis of the received beam collision information. Various other embodiments of the present invention are also disclosed.

Abstract: A transmitter, a receiver, and a method for measuring a radio channel based on reference signals transmitted through a predetermined number of OFDM symbols by using multiple antennas in an ultra-high frequency band, and controlling a beam width of analog beams formed by transmission multiple antennas based on the measurement result. The transmitter uniquely distributes a predetermined number of analog beams among the analog beams formed by the array antenna in correspondence to each of the predetermined number of OFDM symbols, and repeatedly allocates the predetermined number of analog beams distributed for each of the predetermined number of OFDM symbols by targeting the subcarriers within the corresponding OFDM symbol. The receiver receives a channel measurement instruction message, measures a channel state based on reference signals transmitted through the analog beams allocated for respective subcarriers, and feeds the channel state measurement result back to the transmitter.

Abstract: The present invention relates to a method for transmitting data in a wireless communication system, comprising the steps of: allocating, by a base station, a resource for transmitting data modulated by a hybrid frequency shift keying (FSK) and quadrature amplitude modulation (QAM) (FQAM) scheme in which a QAM scheme and a FSK scheme are combined; transmitting, by the base station, a sequence modulated by the FQAM scheme, to a mobile station, via an interference measurement channel; transmitting, by the base station, a reference signal for measuring channel quality information (CQI) to the mobile station; receiving, by the base station, CQI estimated based on an interference characteristic of the interference measurement channel, from the mobile station, and performing scheduling of the mobile station based on the received CQI and transmitting, by the base station, the data modulated by the FQAM scheme to the mobile station.

Abstract: Provided is a method for configuring a wireless backhaul link by a Mobile Station (MS) in a wireless communication system. The method includes acquiring System Information (SI) for each of an old Base Station (BS) which transmits a first code and a new BS which transmits a second code. The method includes transmitting a message which reports the SI for the new BS to the old BS. The method includes receiving a message indicating that the new BS discards the second code and uses the first code from the old BS, wherein the first code is a code indicating that a related BS is a BS which has been already deployed, and wherein the second code is a code indicating that a related BS is a BS which is newly deployed.

Abstract: The present disclosure provides a method for allocating a code for inter-Base Station (BS) coordinated communications in a radio communication system. The method includes grouping terminals, at least more than a predetermined number of whose transmit and receive beams indicated by the terminals' respective favorite beam configuration information correspond to each other, in a same group; and allocating unique codes to terminals in the same group and sending information regarding the allocated code to each of the terminals.

Abstract: An apparatus is configured to perform a method for providing a wireless communication service to at least one User Equipment (UE) from among a plurality of UEs having links established with a distributed small Base Station (BS) in a Virtual Cell Network (VCN) system in which a plurality of virtual cells exist within one macro cell. The method includes selecting at least one UE to which a wireless communication service is to be provided in a virtual cell, calculating a feedback allocation amount for each of the selected at least one UE, by sharing path losses and user characteristics measured and determined on a UE basis by each of the plurality of virtual cells, and providing information about the calculated feedback allocation amount to the selected at least one UE.

Abstract: A method and an apparatus for tracking a beam in a wireless communication system are provided. In the method, a plurality of downlink reference signals are received from a base station and at least one downlink transmission beam pattern is determined. A plurality of uplink reference signals are transmitted to the base station, each includes identifier information corresponding to the determined at least one downlink transmission beam pattern. ACKnowledgement (ACK) information indicating that the base station has successfully received an identifier included in the identifier information corresponding to the determined at least one downlink transmission beam pattern from identifier information corresponding to an uplink transmission beam pattern and that the plurality of uplink reference signals from the base station is received.

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 of transmitting feedback information by a receiving apparatus in a wireless communication system supporting a multiple input multiple output (MIMO) scheme is provided. The method includes transmitting, to a transmitting apparatus, an antenna group identifier (ID) of one or more antenna groups used by the transmitting apparatus and feedback information including information related to channel quality which the receiving apparatus is capable of acquiring if the one or more antenna groups are used, wherein each of the antenna groups includes one or more antennas.

Abstract: A method and a mobile station of transmitting beam information by a mobile station in a wireless communication system are provided. The mobile station determines whether a particular a particular event according to communication with a base station has occurred, and transmits information on at least one DownLink (DL) transmission beam among N number of DL transmission beams to the base station using a contention-based feedback channel according to a result of the determination.

Abstract: A method for continuous signal transmission and an electronic device thereof are provided. The continuous signal transmission method of the electronic device includes obtaining TA corresponding to each of the continuous plurality of radio frames, determining the transmission order of the continuous plurality of radio frames on the basis of the TA values, and transmitting the continuous plurality of radio frames in accordance to the determined order.