Abstract: Methods and apparatuses are provided for transmitting uplink control information by a terminal in a wireless communication system. System information associated with an uplink transmission of a reference signal is received from a base station. Uplink control information to which a length-3 orthogonal sequence or a length-4 orthogonal sequence is applied is transmitted in a slot of a sub-frame. The reference signal is transmitted based on the received system information.

Abstract: Methods and apparatus are provided in which data is received from a base station on a downlink data channel. It is determined whether a scheduling type of the downlink data channel is persistent or non-persistent. In case that the scheduling type is non-persistent, ACK/NACK information for the data is transmitted to the base station on a resource which is determined based on a first ACK/NACK resource allocation scheme. In case that the scheduling type is persistent and the data is initial persistent data, ACK/NACK information for the data is transmitted to the base station on a resource which is determined based on the first ACK/NACK resource allocation scheme. In case that the scheduling type is persistent and the data is persistent data following the initial persistent data, ACK/NACK information for the data is transmitted to the base station on a resource determined based on a second ACK/NACK resource allocation scheme.

Abstract: Methods and apparatuses for transmitting and receiving at least one Downlink Control Information (DCI) in a communication system supporting Carrier Aggregation (CA) are provided. The method for receiving includes receiving information representative of presence of carrier indicator by higher layer signaling from a Node B; receiving information representative of at least one cell indicator by higher layer signaling from the Node B; defining an UE specific search space based on aggregation level, an UE ID, and at least one carrier indicator value, where the UE specific search space includes a set of Physical Downlink Control CHannel (PDCCH) candidates based on the aggregation level; decoding at least one PDCCH including at least one DCI respectively by the UE ID; and acquiring the at least one DCI, wherein the at least one carrier indicator value is based on the at least one cell indicator.

Abstract: Methods and apparatuses are provided for transmitting uplink control information by a UE in a mobile communication system. It is identified whether signaling information indicating simultaneous transmission of first uplink control information and second uplink control information is received. It is determined whether a transmission time of the first uplink control information overlaps a transmission time of the second uplink control information. The first uplink control information is transmitted without the second uplink control information, in case that the transmission times overlap each other and the signaling information is not received.

Abstract: Methods and apparatuses are provided for transmitting and receiving control information.

Abstract: Methods and apparatuses are described for transmitting acknowledgement information in a communication system.

Abstract: Methods and apparatuses are provided for transmitting and receiving a signal using a sequence in a wireless communication system. The method includes receiving, from a base station, information indicating whether sequence hopping is applied or not; transmitting, to the base station, the signal using a first sequence if a number of resource blocks allocated to the user equipment is less than a predetermined value; and transmitting, to the base station, the signal using a second sequence to which the sequence hopping is applied based on the received information if the number of the resource blocks allocated to the user equipment is greater than or equal to the predetermined value. The sequence hopping is performed using a pseudo-random function, and the sequence hopping is performed in a unit of a slot.

Abstract: Methods and apparatuses for transmitting and receiving at least one Downlink Control Information (DCI) in a communication system supporting Carrier Aggregation (CA) are provided. The method for receiving includes receiving information representative of presence of carrier indicator by higher layer signaling from a Node B; receiving information representative of at least one cell indicator by higher layer signaling from the Node B; defining an UE specific search space based on aggregation level, an UE ID, and at least one carrier indicator value, where the UE specific search space includes a set of Physical Downlink Control CHannel (PDCCH) candidates based on the aggregation level; decoding at least one PDCCH including at least one DCI respectively by the UE ID; and acquiring the at least one DCI, wherein the at least one carrier indicator value is based on the at least one cell indicator.

Abstract: Methods and apparatuses are provided for transmitting and receiving system information (SI). A method for receiving SI by a user equipment (UE) in a mobile communication system includes receiving, by the UE, the SI including first partial bits of a system frame number (SFN) without second partial bits of the SFN on a broadcast channel (BCH) at a first subframe of a radio frame, the first partial bits of the SFN having the same value during a predetermined N successive radio frames of a BCH transmission period, where N is a positive integer; and acquiring, by the UE, the second partial bits of the SFN for the radio frame, the second partial bits of the SFN having different values in different radio frames of the predetermined N successive radio frames of the BCH transmission period.

Abstract: Methods and apparatuses are disclosed for providing control and data information in communication systems. A method performed by a user equipment (UE) in a wireless communication system includes identifying first offset information; determining a size of uplink data for the UE; and transmitting, to a base station in the wireless communication system, the uplink data with at least one of acknowledgement/non-acknowledgment (ACK/NACK) information and channel quality indicator (CQI) information on a physical uplink shared channel (PUSCH). A number of ACK/NACK repetition is determined based on the first offset information and the size of the uplink data.

Abstract: A method and an apparatus method are provided for transmitting uplink information including acknowledgement information in a wireless communication system. The method includes coding, by a terminal, uplink data and the acknowledgement information by using different coding schemes respectively; multiplexing, by the terminal, the coded uplink data and the coded acknowledgement information into the uplink information; and transmitting, by the terminal, the uplink information using resources. At least a portion of the uplink data is transmitted based on a first resource and the acknowledgement information is transmitted based on a second resource. The first resource and the second resource are adjacent to each other with respect to a time domain and a frequency domain. The acknowledgement information is located immediately adjacent to a pilot for the uplink data, and the pilot is used for demodulation of the uplink data.

Abstract: Disclosed is a method by a terminal in a mobile communication system including receiving, from a base station, CSI measurement configuration information for a serving cell, measuring a first reference signal for obtaining reference signal received power (RSRP) information based on the first CSI configuration information related to the RSRP for the physical layer signaling, transmitting the RSRP information to the base station through the physical layer signaling, measuring a second reference signal for obtaining CSI, and transmitting the CSI to the base station, the first CSI configuration information including information indicating whether to use group based reporting for the RSRP information, and the first CSI configuration information including information indicating a number of antenna ports for the RSRP information when the group based reporting is not configured for the RSRP information.

Abstract: Methods and apparatuses are provided for transmitting and receiving control information.

Abstract: Disclosed is a method performed by a node B for providing downlink control information (DCI) to one user equipment (UE) in order to enable communication over a plurality of cells in a communication system, including configuring, by the Node B, a DCI format to be used for a physical downlink control channel (PDCCH), transmitting, by the Node B, at least one PDCCH in a common search space (CSS), and transmitting, by the Node B, at least one PDCCH in each of a plurality of UE dedicated search spaces (UE-DSSs), wherein a CSS for receiving system information is common to the plurality of cells, wherein the plurality of UE-DSSs are configured for communication with respect to the plurality of cells, respectively, and wherein each of the plurality of cells corresponds to a cell identity which is UE-specific and configured based on higher layer signaling from the Node B.

Abstract: A Channel Status Information (CSI) transmission method and apparatus of a terminal are provided for use in a wireless communication system. In the wireless communication system supporting carrier aggregation, the terminal transmits the CSIs of component carriers without conflict of their transmission time points, resulting in an improvement of system performance. In a case where the transmission time points are determined to overlap unavoidably, the terminal transmits the CSI as compressed.

Abstract: Methods and apparatus are provided in which data is received from a base station on a downlink data channel. It is determined whether a scheduling type of the downlink data channel is persistent or non-persistent. Acknowledgement/negative acknowledgement (ACK/NACK) information for the data is transmitted to the base station. In case that the scheduling type is non-persistent, the ACK/NACK information is transmitted on a first resource determined according to a downlink control channel corresponding to the data. In case that the scheduling type is persistent, the ACK/NACK information for an initial persistent data transmission is transmitted on a second resource determined by using resource information received by high-layer signaling, and the ACK/NACK information for a persistent data retransmission is transmitted on a third resource determined according to the downlink control channel associated with the persistent data retransmission.

Abstract: A method and apparatus are provided for transmitting and receiving control information. A method in a base station includes transmitting, to a terminal, information associated with a resource region carrying a control channel; transmitting, to the terminal, a plurality of values associated with control channel candidates, each of the plurality of values corresponding to each of a plurality of numbers associated with CCEs constituting one control channel candidate, wherein the each of the plurality of values indicates a number of control channel candidates to be monitored by the terminal; determining a set of control channel candidates based on an ID of the terminal and at least one of the plurality of values associated with the control channel candidates; selecting at least one control channel candidate from among the set of control channel candidates; and transmitting the control information to the terminal through the at least one selected control channel candidate in the resource region.

Abstract: Methods and apparatus are provided in which data is received from a base station on a downlink data channel. It is determined whether a scheduling type of the downlink data channel is persistent or non-persistent. Acknowledgement/negative acknowledgement (ACK/NACK) information for the data is transmitted to the base station. In case that the scheduling type is non-persistent, the ACK/NACK information is transmitted on a first resource determined according to a downlink control channel corresponding to the data. In case that the scheduling type is persistent, the ACK/NACK information for an initial persistent data transmission is transmitted on a second resource determined by using resource information received by high-layer signaling, and the ACK/NACK information for a persistent data retransmission is transmitted on a third resource determined according to the downlink control channel associated with the persistent data retransmission.

Abstract: A method for receiving system information, a method for transmitting system information by a Node B in a mobile communication system, a user equipment (UE) for receiving system information, and a Node B for transmitting system information by a Node B in a mobile communication system are provided. The method for receiving system information includes receiving system information comprising first partial bits of a system frame number (SFN) on a broadcast channel in a first subframe of a radio frame within a broadcast channel transmission period, the first partial bits having the same value during one broadcast channel transmission period comprising a plurality of radio frames; acquiring second partial bits of the SFN based on decoding the broadcast channel, the second partial bits having different values for different radio frames within the broadcast channel transmission period; and determining the SFN from the first partial bits and the second partial bits.

Abstract: Methods and apparatus are provided for a User Equipment (UE) configured to have multiple cells in a DownLink (DL) of a Time Division Duplex (TDD) communication system so as to determine a power of an acknowledgement signal that the UE transmits in a control channel and to determine a number of acknowledgement information bits that the UE multiplexes with data information bits in a data channel. A transmission power of the control signal is determined based on DL Assignment Index (DAI) Information Elements (IEs) in DL Scheduling Assignments (SAs) that the UE detects through multiple transmission time intervals and through the multiple configured DL cells. The number of acknowledgement information bits in the data channel is determined based on a DAI IE of an UpLink (UL) SA associated with the transmission of the data channel.