Samsung Electronics Co., Ltd.

Kt Corporation

Jin-Young Oh

Seung-Hoon Choi

Donghan Kim

Cheol-Kyu Shin

Young-Bum Kim

Youn-Sun Kim

Tae-Han Bae

Jeong-Ho Yeo

Young-Woo Kwak

Hoon-Dong Noh

Seung-Hyun Lee

Tae-hyoung Kim

Ju-Ho Lee

Sang-Min Ro

Sung-Jin Park

Sung-Wook Park

Kang-gyu Lee

Jeong-ho Yeo

Sang-Hoon Chae

Sung-jin Park

Hyo-Jin Lee

Tu K Nguyen

Ki-Hyun Do

Yong-Duk Cho

Hyoung-Ju Ji

Jae-Hong Park

Sang-Wook Lee

Jin-Han Kim

Tae-Hyoung Kim

Gyu-Tae Baek

Dong-Han Kim

Sun-Jong Kwon

Sung-Hwan Won

Joo-Won Sung

Du-Seong Chang

Hee-Don Gha

Dong-Jun Kang

Kang-Gyu Lee

Sang-Jun Na

Hyun-Jung Kang

Mi-Hee Kim

Kyeong-Jin Oh

Ji-Hui Im

Won-Seock Choi

Provided is a method of transmitting and receiving control information in a wireless communication system, and an apparatus therefor. The method includes performing monitoring on a PDCCH conveying DCI including pre-emption indication information, based on an RNTI configured for indicating pre-emption; and when the DCI including the pre-emption indication information is detected, determining that no transmission for the UE is present in a PRB from a set of PRBs and a symbol from a set of symbols. The PRB and the symbol are indicated by the DCI, and a symbol indicated as a UL is excluded from the set of symbols indicated by the DCI.

Method and apparatus for transmitting and receiving control information in wireless communication system

A 5Generation (5G) or pre-5G communication system for supporting higher data transmission rates beyond 4Generation (4G) communication systems such as long term evolution (LTE) systems. A method for transmitting download control information in a communication system is provided. The method includes configuring the control information indicating at least one control channel element (CCE) including at least one resource element group (REG) unit interleaved based on the interleaving information indicated by a higher layer signaling; and transmitting, to a user equipment (UE), the configured control information.

Method and apparatus for transmitting control information in wireless communication system

Provided is a method of transmitting and receiving control information in a wireless communication system, and an apparatus therefor. The method may include receiving interruption configuration information via upper signaling from a base station (BS), when a format of an interruption indicator transmitted from the BS to a user equipment is determined based on the received interruption configuration information, searching for the interruption indicator, and identifying, based on the format of the interruption indicator, information included in the interruption indicator detected as a result of the searching.

A method, provided by the present disclosure, of transmitting a reference signal by a base station in a wireless communication system using a plurality of antenna ports including mapping wireless resources, for transmitting a reference signal, to a plurality of antenna ports for transmitting the reference signal; and using the wireless resources and transmitting the reference signal to a terminal through the mapped antenna ports. The mapping to the antenna ports is executed on the basis of a combination of a first mapping pattern between the wireless resources and the antenna ports and a second mapping pattern between the wireless resources and the antenna ports.

Method and device for transmitting and receiving feedback signal in wireless communication system

A method is provided for when an allocation area of data indicated by control information overlaps a subsequent control information area occurring after a control information area is pre-configured by a higher layer signal or system information. A terminal may omit or partially perform a blind search for the subsequent control information area overlapping a data area. Additionally, a terminal may receive data based on an assumption that a data area has been mapped to the subsequent control information area, or a terminal may receive data based on an assumption that a data area has not been mapped to the subsequent control information area. Thus, the terminal may adaptively adjust a configuration area for a data area and prevent blind decoding to further reduce power consumption.

Method and apparatus for control information searching and data information transmission in a communication system

Provided are a method and apparatus for transmitting and receiving control information in a wireless communication system, wherein the method, performed by a terminal, of transmitting and receiving control information according to an embodiment includes: receiving first type data; receiving second type data assigned to at least a part of a resource region assigned to the first type data; receiving an interruption indicator; and performing a hybrid automatic repeat request (HARQ) acknowledgement (ACK)/negative ACK (NACK) transmission regarding the first type data based on the interruption indicator.

Disclosed is a method and an apparatus for transmitting and receiving data via a MAC protocol in a mobile communication system. The method includes inputting at least one Service Data Unit (SDU) containing transmission data through a corresponding logical channel and generating at least one first Protocol Data Unit (PDU) that includes said at least one SDU without including multiplexing information for identification of the logical channel, by a first transmission entity; acquiring the first PDU and generating a second PDU including the first PDU in a payload of the second PDU, by a second transmission entity that operates between the first transmission entity and a physical layer; inserting the multiplexing information for identification of the logical channel corresponding to said at least one first PDU into header information of the second PDU; and transmitting the second PDU through the physical layer. The method can reduce load due to additional processing, such as a bit operation or memory copying, in a receiver requiring high speed data transmission.

Method and apparatus for transmitting and receiving data via media access control protocol in mobile communication system

The disclosure relates to a method of transmitting and receiving control information in a wireless communication system, and an apparatus therefor. According to an embodiment of the disclosure, the method may include receiving interruption configuration information via upper signaling from a base station (BS), when a format of an interruption indicator transmitted from the BS to a user equipment is determined based on the received interruption configuration information, searching for the interruption indicator, and identifying, based on the format of the interruption indicator, information included in the interruption indicator detected as a result of the searching.

A base station is provided. The base station transmits multiple data in a first subframe, receives response signals corresponding to the multiple data, determines a ratio of negative acknowledge (NACK) signals to the response signals, and adjusts or maintains a contention window based on the determined ratio. The present disclosure relates to communication schemes for combining 5th-generation (5G) communication systems with internet of things (IoT) technology to support higher data transmission rate as post-4th-generation (post-4G) systems and systems for the same. The present disclosure may be used in intelligent services (e.g., smart home, smart building, smart city, smart car, or connected car, health-care, digital education, retail business, security and safety-related services, etc.) based on the 5G communication technology and IoT-related techniques.

Method and apparatus for managing contention window in wireless communication system

A method by which a terminal transmits uplink control information including acknowledgment information in a wireless communication system supporting a carrier aggregation is provided. The method includes receiving, from a base station, downlink control information including indication information of a resource for transmitting the acknowledgment information; when the number of bits of the acknowledgment information is larger than the determined number of bits, determining a specific format of an uplink control channel to which the acknowledgment information will be transmitted; and transmitting the acknowledgment information in the uplink control channel of the specific format using the resource having been indicated on the basis of the indication information.

Method and device for transmitting or receiving control information in wireless communication system

A method, provided by the present disclosure, of transmitting a reference signal by means of a base station in a wireless communication system using a plurality of antenna ports comprises the steps of: mapping wireless resources, for transmitting a reference signal, to a plurality of antenna ports for transmitting the reference signal; and using the wireless resources and transmitting the reference signal to a terminal through the mapped antenna ports. The step of mapping to the antenna ports is characterized by being executed on the basis of a combination of a first mapping pattern between the wireless resources and the antenna ports and a second mapping pattern between the wireless resources and the antenna ports.

Disclosed are: a communication technique for merging, with the Internet of Things (IoT) technology, a 5th-generation (5G) communication system for supporting a data transmission rate higher than that of a 4th-generation (4G) system; and a system therefor. The disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retailing, security and safety related services) on the basis of 5G communication technology and IoT related technology. One embodiment of the present invention enables a terminal to receive at least one reference signal from a base station in a mobile communication system, and to generate channel state information on the basis of the at least one reference signal so as to transmit the channel state information to the base station, wherein the at least one reference signal is received in a downlink pilot time slot (DwPTS) by using a resource determined on the basis of a special subframe configuration.

Method and device for transmitting and receiving channel state information in mobile communication system

A method, performed by a terminal in a wireless communication system, of transmitting and receiving data information is provided. The method includes receiving multiple transmission unit scheduling information, receiving information about whether demodulation reference signal (DMRS) time bundling is feasible with respect to DMRS information respectively contained in a plurality of transmission units scheduled according to the multiple transmission unit scheduling information, and when the information indicates that the DMRS time bundling is feasible, performing decoding on data information based on at least one of a hybrid automatic request (HARQ) acknowledge (ACK)/negative acknowledge (NACK) transmission time, a size of a frequency resource of a downlink (DL) physical data channel to which the data information scheduled according to the multiple transmission unit scheduling information is assigned, a timing advance value, and a time required for a valid data process.

Method and apparatus for transmitting and receiving data information in wireless communication system

Growing community of inventors

Seoul, South Korea

Jin-Young Oh