Samsung Electronics Co., Ltd.

Qualcomm Incorporated

Huawei Technologies Co., Limited

Other

Joon-Young Cho

Aris Papasakellariou

Ju-Ho Lee

Young-Bum Kim

Yong-Jun Kwak

Youn-Hyoung Heo

Jin-Kyu Han

Hwan-Joon Kwon

Hyoung-Ju Ji

Yun-Ok Cho

Youn-Sun Kim

Sang-Min Ro

Hyo-Jin Lee

Yujian Zhang

Ki-Il Kim

Seung-Hoon Choi

Kyeong-In Jeong

Ping Wang

Ying Li

Jianzhong Zhang

Zhouyue Pi

Dong-Hee Kim

Soeng-hun Kim

Soeng-Hun Kim

Gert Jan Van Lieshout

Juho Lee

Himke Van Der Velde

Sung-Ho Choi

Kook-Heui Lee

Youn-Hyoung Huh

Sang-min Lee

Peter Jung

Bo-Kun Choi

Tobias Scholand

Eun-Jung Kim

Cheol-Ho Cheong

Eun-Yong Kim

Tak-Ki Yu

Jin-Hong Jeong

Sun-Kee Lee

Hee-Don Gha

Young-Jun Kwak

Himke Van Der Valde

Hwan-Hoon Kwon

Yingyang Li

Jae-Yoel Kim

Sung-oh Hwang

Dong-seek Park

Yung-Soo Kim

Seung-Hoon Park

Jin Kyu Han

Jong-Hyung Kwun

Krishna Kamal Sayana

Cheng Shan

Sung-Eun Park

In Ho Lee

Yu-Chul Kim

Jae-Chon Yu

Hi-Chan Moon

Jin-ho Kim

Jung-Hoon Han

Yan Xin

Chan-Ho Min

Seong-Hun Kim

Young-Hyun Jeon

Gert-Jan Van Lieshout

Jun-Sung Lim

Jung-su Han

Young-Kyun Kim

JongSoo Choi

Ju-Mi Lee

Young-Seok Lim

Achim Seebens

Ying-Yang Li

Guido H Bruck

Aris Papsakellariou

Van Lieshout Gert Jan

Thomas Faber

Ki-II Kim

Jo-Ho Lee

Disclosed is a method for monitoring a physical downlink control channel (PDCCH) in order to enable communication over a plurality of cells in a mobile communication system, including acquiring a cell index for a cell, wherein the cell index is user equipment (UE)-specific and is informed based on radio resource control (RRC) signaling, monitoring a first PDCCH on a common search space that is for system information and is defined on a single cell for the plurality of cells, monitoring a second PDCCH on a dedicated search space defined for the cell, wherein the cell is one among the plurality of cells, and the dedicated search space is defined for each of the plurality of cells, respectively, and receiving a physical downlink shared channel (PDSCH) on the cell based on the second PDCCH, wherein the cell index is associated with one downlink frequency configured by the RRC signaling.

Extending physical downlink control channels

A method and apparatus for transmitting a reference signal from a User Equipment (UE) are provided. The method includes transmitting a first reference signal using a sequence determined from an identity of the at least one transmission point and transmitting a second reference signal with a transmission power having an offset with a first maximum value configured by higher layer signaling from the at least one transmission point; and transmitting a first reference signal using a sequence configured to the UE by higher layer signaling from the at least one transmission point and transmitting a second reference signal with a transmission power having an offset with a second maximum value configured by higher layer signaling from the at least one transmission point, wherein the second maximum value is larger than the first maximum value, and the first reference signal and the second reference signal are either identical or non-identical.

Method and apparatus for transmission power control for a sounding reference signal

An apparatus and method are provided for transmitting control information and data in a DFT based communication system. The method includes placing a reference signal onto a first symbol among a plurality of symbols in one slot; placing a HARQ-ACK onto a second symbol first placed after the first symbol in the one slot; placing the data onto other symbols except for the first symbol; and transmitting a signal including the reference signal, the HARQ-ACK and the data. A part of CQI information is further placed onto at least one symbol, except for the first symbol, in case that the CQI information is present for transmission in the one slot.

Control and data signaling in SC-FDMA communication systems

The present disclosure relates to a method of providing a pre-5-Generation (5G) or 5G communication system for supporting higher data rates Beyond 4-Generation (4G) communication system, such as Long Term Evolution (LTE). The method includes receiving configuration information comprising at least one information element indicating transmission resources for the reference signals, receiving downlink control information indicating that a transmission of at least one of the reference signals is activated, and receiving the at least one of the reference signals based on the configuration information, in response to receiving the downlink control information.

Method and apparatus for transmitting and receiving reference signal

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.

Control and data multiplexing in communication systems

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.

Method and apparatus for allocating and signaling ack/nack resources in a wireless communication system

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.

Method and apparatus for transmitting and receiving control channels by restricting a set of the control channels in a wireless communication system

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.

Method and apparatus for transmitting and receiving system information in a mobile communication system

Methods and apparatuses are provided for determining a resource for an acknowledgement signal in a wireless communication system. A transceiver of a user equipment (UE) receives a parameter associated with one or more resource blocks (RBs) for periodic transmission of a channel quality indication (CQI) signal in an operating bandwidth. A controller of the UE determines an RB for transmission of the acknowledgement signal, based on the parameter. The transceiver transmits the acknowledgement signal on the determined RB. The RB for the transmission of the acknowledgement signal is not more outer than the one or more RBs for periodic transmission of the CQI signal in the operating bandwidth.

Partitioning of frequency resources for transmission of control signals and data signals in SC-FDMA communication systems

An apparatus and method are provided for transmitting control information and data in an SC-FDMA communication system. The method includes placing a reference signal onto one middle symbol among a plurality of symbols in one slot, wherein the one slot is one of two slots in one subframe; placing CQI information onto at least one symbol of other symbols except for the one middle symbol; placing the data onto the other symbols except for the one middle symbol; placing a HARQ-ACK onto two symbols, wherein the two symbols are directly adjacent to the one middle symbol; and transmitting a signal including the reference signal, the data, the CQI information, and the HARQ-ACK. The HARQ-ACK is placed onto a position of at least part of the data. The symbols are SC-FDMA symbols, the one middle symbol is a 4th symbol, the two symbols are a 3rd symbol and a 5th symbol.

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.

A method and apparatus are provided for receiving acknowledgement information by a base station in a wireless communication system. The method includes transmitting configuration information for transmission of the uplink control information, the configuration information including information for identifying a first resource block (RB) to be used for the transmission; and receiving the uplink control information on a physical uplink control channel based on the configuration information.

Method and apparatus for allocating and acquiring ACK/NACK resources in a mobile communication system

Disclosed is a method and an apparatus for multiplexing and transmitting data and uplink control information, and receiving the data and control information in a wireless communication system. In the system multiplexing an uplink packet data channel and a control channel, a transport format of the control channel for transmission of the control information is changed according to the transport format of the data channel. The disclosed method and apparatus can control the quantity of resources for the control channel in the case of transmitting high speed data, and thus can the efficiency of the data channel resources.

Method and apparatus for transmitting/receiving data and control information through an uplink in a wireless communication system

A User Equipment (UE) in a wireless communication system using a Coordinated Multi-Point transmission/reception (CoMP) scheme receives Downlink Control Information (DCI) including CoMP control information, determines a starting position of a data channel on wireless resources, based on starting position information of a data channel included in the CoMP control information and used in each of a plurality of cells, and receives data from the plurality of cells starting from the determined starting position.

Method and apparatus for providing information about available wireless resources and determining the wireless resources used for data transmission

A method for transmitting an acknowledgement signal by a user equipment (UE) in a communication system is provided. The method includes transmitting a first acknowledgement signal corresponding to a first data packet in first transmission time intervals (TTIs), wherein transmission of another signal excluding the first acknowledgement signal in the first TTIs is prohibited.

Repeating transmissions of signals in communication systems

Growing community of inventors

Gyeonggi-do, South Korea

Joon-Young Cho