Samsung Electronics Co., Ltd.

Qualcomm Incorporated

Sungkyunkwan University

Jung-Soo Jung

Sun-Heui Ryoo

Sung-Jin Lee

Jung-Min Moon

Beom-Sik Bae

Dae-Gyun Kim

Hyun-Jeong Kang

Anshuman Nigam

Jong-Hyung Kwun

Yu-Chul Kim

Hwan-Joon Kwon

Kyeong-In Jeong

Soeng-hun Kim

Suk-Won Kim

Young-Bin Chang

Seung-Hoon Park

Sang-Bum Kim

Rakesh Taori

Chae-Gwon Lim

Jin-Kyu Han

Dong-Hee Kim

Yong Chang

Byoung-Hoon Jung

Youn-Sun Kim

Yeong-Moon Son

Jung-Shin Park

Dong-wook Kim

Kyung-Joo Suh

Chan-Ho Min

Young-Hyun Jeon

Ra-Yeon Ahn

Jung-Je Son

Sang-Wook Kwon

Ok-Seon Lee

Ji-Won Hwang

Anil Agiwal

Sung-Ho Choi

June Hwang

Kyung-Kyu Kim

Geun-Hwi Lim

Nae-Hyun Lim

Ashok Kumar Reddy Chavva

Bong-Jhin Shin

Nagacharan Udupi

Soeng-Hun Kim

Chang-Hoi Koo

Jae-Chon Yu

Jin-Weon Chang

Sang-Kyu Baek

Jun-Hyuk Song

Nigam Anshuman

Dac-Gyun Kim

Veronica Kondratieva

Ju-Ho Lee

Yung-Soo Kim

Min-Goo Kim

Tae-Jin Lee

Su-Ryong Jeong

Ji-Cheol Lee

Pan-Yuh Joo

Purva R Rajkotia

Yeon-Ju Lim

Young-Kyo Baek

Diwakar Sharma

Ki-Suk Kweon

Yun-Ok Cho

Jong-hun Rhee

Jong-Han Lim

Jun-Hwan Oh

Robert Jerrold Marks

Min-gyu Lee

Dae-woo Lee

Yong-Chang

Jae-Chen Yu

Dong-Hoo Kim

Prasad Tsv Vadlapudi

Min-Kyeong Kim, Legal Representative

Hwan-Joo Kwon

A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.

Method and apparatus for controlling uplink power in wireless communication system

A method and an apparatus for supporting a discontinuous reception (DRX) operation in a Node B in a mobile communication system are provided. The method includes defining a second System Frame Number (SFN) where one cycle of a first SFN corresponds to one bit, transmitting information on the second SFN to a User Equipment (UE), determining a second SFN which is used to transmit a paging signal to the UE, determining a first SFN which is used to transmit the paging signal in the determined second SFN, and transmitting the paging signal to the UE at the determined first SFN.

Method and apparatus for supporting discontinuous reception operation in mobile communication system

The objective of the present invention is to provide services by effectively switching, by a terminal, a macro cell and a small cell on the basis of time in a communication system in which the macro cell and the small cell coexist. A method for operating a terminal in a wireless communication system comprises the steps of: transmitting, to a first base station and/or a second base station, information on a switching delay time required for the terminal to perform cell switching; and communicating through a resource of the first base station and a resource of the second base station which are allocated by considering the switching delay time.

Apparatus and method for allocating resources for switching between macro cell and small cell in wireless communication system

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station (MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS.

Apparatus and method for providing handover support information in mobile communication system

A method and an apparatus for controlling a waiting time related to determination of a radio link failure in a wireless communication system are provided. The method includes receiving a message from a network, if a first timer for determination of the radio link failure is running and the message includes timer information related to the waiting time, starting a second timer related to the waiting time based on the timer information, and if the second timer expires before expiration of the first timer, determining a channel situation of a serving cell as a situation of the radio link failure.

Method and apparatus for controlling waiting time for determination of radio link failure in wireless communication system

The present invention relates to 5G or pre-5G communication system for supporting a higher data transmission rate after 4G communication system such as LTE. The present invention provides a method for transmitting data on the basis of a measurement of a channel of an unlicensed band in a mobile communication system, the method comprising the procedures of: selecting a random number for backoff counting; determining whether to decrement the random number by 1; decrementing the random number by 1 on the basis of the determining; determining whether the channel is idle by measuring the channel; completing the backoff counting if the random number becomes 0; and transmitting data by means of the channel if the backoff counting is completed.

LBT technique for frequency reuse in communication system using unlicensed band

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). A method of setting a handover parameter includes receiving, from a serving evolved NodeB (eNB), cell type information indicating eNB types of the serving eNB and eNBs adjacent to the serving eNB, and mobility information of the UE, detecting types of the serving eNB and a target eNB based on the cell type information, and setting a Time-To-Trigger (TTT) applied, the mobility information of the UE, and a received signal strength for the serving eNB.

Method and apparatus for setting handover parameter in mobile communication system

The present invention relates to a method and apparatus for effectively transmitting or receiving paging in a wireless communication system supporting a plurality of services. A method for transmitting paging by a base station in a wireless communication system supporting a plurality of services according to an embodiment of the present disclosure comprises the steps of: transmitting information on a paging slice corresponding to a service in which paging is transmitted to a terminal; and transmitting the paging to the terminal through the paging slice.

Method and apparatus for transmitting or receiving paging in wireless communication system

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). A method for communicating by a user equipment with a macro cell base station and a small cell base station in a communication system is provided. The method comprises applying a first base station security key to a first communication link with the macro cell base station; generating a second base station security key to be used for a second communication link with the small cell base station based on the first base station security key; applying the second base station security key to the second communication link with the small cell base station; and communicating through at least one of the first communication link and the second communication link.

Security key generation and management method of PDCP distributed structure for supporting dual connectivity

The present invention relates to a 5generation (5G) or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4generation (4G) communication system such as long term evolution (LTE). According to the present invention, a method by which a transmission device transmits a signal is a wireless communication system supporting an unlicensed band comprises the steps of: detecting the need for controlling a clear channel assessment (CCA) threshold during the performance of a CCA process; and controlling the CCA threshold used in the CCA process.

Device and method for transmitting/receiving signal in wireless communication system supporting unlicensed band

An apparatus and a method for transmitting and receiving a signal based on a mobility coverage class are provided. The method includes the operations of receiving, from a base station, information for estimating mobility and information for determining whether to return to a first mode, determining whether the terminal has mobility based on the information for estimating mobility, entering a second mode in which a predetermined coverage class is switched to the mobility coverage class when it is determined that the terminal has mobility, transmitting, to the base station, a second mode indicator indicating entry into the second mode, selecting one of coverage classes of the base station as the mobility coverage class, and transmitting and receiving a signal using a resource allocated to the selected mobility coverage class.

Method and apparatus for transmitting and receiving signals on basis of coverage class in communication system

Growing community of inventors

Seongnam-si, South Korea

Jung-Soo Jung