Samsung Electronics Co., Ltd.

Korea University Industrial & Academic Collaboration Foundation

Yeong-Moon Son

Hyun-Jeong Kang

Jung-Je Son

Sung-Jin Lee

Hyoung-Kyu Lim

Chang-Hoi Koo

So-Hyun Kim

Jung-Shin Park

Rakesh Taori

Jae-Weon Cho

Pan-Yuh Joo

Young-Bin Chang

Young-Ho Kim

Mi-Hyun Lee

Jae-Jeong Shim

Song-Nam Hong

Hong-Sung Chang

Geun-Hwi Lim

Chang-Yoon Oh

Jaehyuk Jang

Antony Franklin

Won-Il Roh

Ki-Suk Kweon

Jung-Soo Jung

Ji-Yun Seol

Kyung-Kyu Kim

Ok-Seon Lee

Hyon-Goo Kang

Jung-Hoon Cheon

Yegin Alper

Seung-Eun Hong

Hyun-Kyu Yu

Dae-Gyun Kim

Yong Chang

Young-Kyo Baek

Tae-Won Kim

Taori Rakesh

Seung-Il Yoon

Jae-Hee Cho

Jung-Won Kim

Bong-Gee Song

Chan-Ho Min

Kwang-Seop Eom

Jong-Hyung Kwun

Tae-Young Kim

Min-hee Cho

Joon-Young Choi

Kang-gyu Lee

Byung-Wook Jun

Jin-Hyun Youn

Jae-Wong Cho

Sung-Wook Park

Chi-Woo Lim

Jeong-ho Park

Su-Ryong Jeong

Sang-Wook Kwon

Ji-Cheol Lee

Sang-Jin Kim

Young-Bae Park

Dong-Keon Kong

Nae-Hyun Lim

Nam-Gi Kim

Ki-Back Kim

Geun-Ho Lee

Chul-Ki Lee

Ha-Kyung Jung

Ae-Ri Lim

Jun-Young Jung

Kyeong-Tae Do

Jae-Gwa Lee

Sunny Chang

Pan-Yun Joo

Gaun-Hwi Lim

Joong-Ho Park

Bong-Dae Choi

Won-II Roh

Sang-Kyou Ryou

Jae-Jeong Sim

A method and an apparatus of cooperating with a plurality of base stations in a wireless communication system. A cloud cell is configured with a plurality of base stations that cooperate with each other for a mobile station and synchronizes user contexts for serving the mobile station among the plurality of base stations included in the cloud cell, and the plurality of base stations cooperate with each other to provide a communication service to the mobile station. The present disclosure reduces generation of a handover when the mobile station moves between base stations, and increases the data yield of the mobile station by transmitting and receiving data in cooperation with base stations in a cloud cell at a shaded area or a cell border.

Apparatus and method of cooperating with multiple base stations in wireless communication system

According to an embodiment of the present invention, a method whereby a terminal receives scheduling data in a wireless communication system using beamforming comprises the processes of: receiving scheduling data via a first scheduling channel from a first base station; and receiving scheduling data via at least one second scheduling channel, by using at least one receiving beam from at least one second base station that cooperates (cooperate) with the first base station.

Method and device for sending and receiving scheduling data in a wireless communication system using beamforming

A method for performing a network entry procedure by a Mobile Station (MS) in a cloud cell communication system is provided. The method includes determining whether there is an arbitrary cloud cell member candidate Base Station (BS) as a cloud cell member candidate BS which has transmitted a downlink synchronization signal with a signal strength, if there is the arbitrary cloud cell member candidate BS, determining the arbitrary cloud cell member candidate BS as a final cloud cell member candidate BS which will perform a cooperative communication with the master BS, transmitting an access request message including information on the final cloud cell member candidate BS to the master BS, and receiving an access response message including information on a cloud cell member BS from the master BS.

Apparatus and method for performing network entry procedure in cloud cell communication system

A Hybrid Automatic Repeat reQuest (HARQ) method and an apparatus in a communication system are provided. The method includes receiving, by a Subscriber Station (SS), first data from at least one first member Base Station (BS) among member BSs of a cooperative cell, when the cooperative cell is configured with the member BSs to provide a communication service to the SS, generating a response signal indicating a reception result of the first data, and transmitting the response signal to at least one predefined second member BS from among the member BSs. The member BSs include a master BS for controlling communication of the member BSs and at least one slave BS for communicating with the SS under the control of the master BS.

Method and apparatus for performing hybrid automatic repeat request operation in a communication system

A Mobile Station (MS) in a wireless communication system is provided. The MS includes, generating a message for requesting to generate a service flow, the message including mobility management information of the service flow, and transmitting the message including the mobility management information. The mobility management information is used to determine whether the service flow requires an anchor.

Apparatus and method for supporting mobility of mobile station in wireless communication system

A method and a device for managing mobility of a mobile station in an Internet Protocol (IP) based network are provided. The method includes receiving a request for allocation of an IP address from an application, determining a type of IP address to be allocated to the application based on the request for the allocation of the IP address, and allocating the determined type of IP address to the application.

Method and device for managing mobility in IP based network

A method of performing beamforming in a base station is provided. The method includes receiving random access channel signals transmitted in one or more transmit beams from a terminal, using one or more receive beams, determining at least one best transmit beam from the one or more transmit beams and at least one best receive beam from the one or more receive beams, and transmitting information about the best transmit beam and the best receive beam to the terminal.

Scheme for performing beamforming in communication system

A method of determining member Base Stations (BSs) providing cooperative communication to a Mobile Station (MS) in a communication system. The method includes when a candidate list of the member BSs generated using at least one of strengths of signals received from adjacent BSs and cell loading state information of the adjacent BSs is received from the MS, selecting candidate BSs having a service quality larger than or equal to a threshold from candidate BSs included in the candidate list as targets to receive a member negotiation; and performing a capability negotiation with each of the selected targets to receive the member negotiation to select final member BSs and transmitting information on the determined final member BSs to the MS.

Method and apparatus for determining base stations providing cooperative communication to a mobile station in a communication system

Disclosed is a system and a method of signal transmission/reception by a mobile station in a wireless communication system. The method includes: transmitting a first sub-band preparation indicator, which indicates that the mobile station has been prepared for transmission/reception of a signal through a first sub-band, to a base station through a primary band; transmitting a first sub-band failure indicator to the base station through the primary band upon detecting failure in transmitting the first sub-band preparation indicator; receiving sub-band information on a second sub-band, which is different from the first sub-band, from the BS through the primary band; and acquiring synchronization with the second sub-band, so as to enable transmission/reception of a signal through the second sub-band based on the sub-band information.

System and method for transmitting and receiving a signal using multiple frequency bands in a wireless communication system

Mobility management in a wireless communication system supporting a Base Station set is provided. The system includes a plurality of BSs directly connected to the Internet without an upper node, and configured to provide wireless access to at least one Mobile Station (MS). The BSs construct a cloud cell for providing service to the at least one MS, and a first BS of the plurality of BSs functions as a control master and is configured to perform control signaling with the at least one MS, and a second BS of the plurality of BSs functions as a data master and is configured to perform scheduling for service provision through the cloud cell and to operate as an Internet Protocol (IP) endpoint of the at least one MS.

Apparatus and method for managing mobility in a wireless communication system

A method and a system are provided for a push service in a communication system. The method comprises: if there is data that is directed from an application server to an application of a terminal, transmitting, to a location register, a first message requesting location information of the terminal; if the location register receives the first message, transmitting, to a gateway, a second message requesting the location information of the terminal; transmitting, to the location register by the gateway, a third message including the location information of the terminal; transmitting, to the application server by the location register, a fourth message including the location information of the terminal; and transmitting, to the application of the terminal by the application server, the data using the location information of the terminal.

Method and apparatus for providng push service in communication system

A method for transmitting and receiving signals using multiple frequency band in a wireless communication system are provided, in which a BS determines whether an MS is to use a plurality of FAs, selects the plurality of FAs if it is determined that the MS is to use the plurality of FAs, transmits FA information about the selected FAs to the MS, and transmits and receives signals to and from the MS in the selected FAs.

Method and system for transmitting and receiving signal using multiple frequency bands in a wireless communication system

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Yongin-si, South Korea

Yeong-Moon Son