Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Korea University Research and Business Foundation

Industry-university Cooperation Foundation Sogang University

Korea University Industrial & Academic Collaboration Foundation

Chungju National University Industry-academic Cooperation Foundation

Soon-Young Yoon

Jae-Hee Cho

In-Seok Hwang

Hoon Huh

June Moon

Jae-min Ahn

Hee-Won Kang

Keun-Chul Hwang

Young-Ky Kim

Seung-Joo Maeng

Sang-Hoon Sung

Kwan-Hee Roh

Yu-Suk Yun

Jae-Ho Jeon

Yong-Seok Kim

Jae-Heung Yeom

Young-Hoon Kwon

Chung-Ryul Chang

Sung-woo Park

Jang-Hoon Yang

Jae-Min Ahn

Jin-Soo Park

Sang-Hyun Yang

Joong-Ho Jeong

Heon-Ki Chae

Ho-Kyu Choi

Ki-Young Han

Sung-Soo Hwang

Hee-Kwun Cho

Ji-Ho Jang

Joo-Hyun Lee

Kyung-Joo Suh

Jeong-Tae Oh

Jae-Hwan Chang

Jeong-Heon Kim

Seung-won Kang

Seung-Hyun Kong

Youn-Sun Kim

Jae-Weon Cho

Hoon Suk Chang

Hi-Chan Moon

Jin-Woo Choi

Su-Won Park

Jae-Yun Ko

Jee-Hyun Kim

Jae-Yoel Kim

Pan-Yuh Joo

Hyeon-Woo Lee

Sung-Ho Lee

Sung-Won Lee

Hyun-Suk Lee

Sung-Joon Park

Jong-Seon No

Byoung-Ha Yi

Je-Woo Kim

Ho-Joong Kwon

Soong-Yoon Choi

Byung-Jin Chun

Jeong-ho Park

Tae-Young Kim

Dong-Ho Cho

Ki-Ho Lee

Won-Il Roh

Chae-Man Lim

Bong-Gee Song

Yun-Sang Park

Min-hee Cho

Jin-Weon Chang

Jae-Sung Jang

Jae-Hyok Lee

Jin-Kyu Koo

Sie-Joon Cho

Jae-Woo So

In-Kyu Lee

Hyun-Jeong Kang

Dong-seek Park

Sang-min Lee

Jung-Won Kim

Ji-Yun Seol

Hoon Hee Han

Young-Ki Kim

Kyeong-Cheol Yang

Hyun-Woo Lee

Ji-Won Lee

Hyun-Seok Lee

Chang-Ho Suh

Byung-Ki Kim

Tae-Gon Kim

Cheol Mun

Nam-Gi Kim

Sung-Woo Park

Song Chong

Myung-Kwang Byun

Jong-Han Kim

Byung-Wook Jun

Kwang-Wook Lee

Won-Jin Sung

Si-Hyun Park

Young-Keun Kim

Ji-Hyun Lee

An apparatus and method for reducing the volume of a resource allocation information message in a broadband wireless communication system are provided. The method includes transmitting a message including information indicating a periodicity of an uplink control channel for an initial network entry; and receiving an uplink signal for the initial network entry through the uplink control channel.

Apparatus and method for reducing volume of resource allocation information message in a broadband wireless communication system

A method for communicating with a network by a terminal in a wireless communication system, wherein the terminal receives, from the network, signaling information representing a transmission period and a time offset for uplink transmission of a feedback information, and determines a time to transmit the feedback information based on the transmission period and the time offset. The terminal transmits the feedback information to the network based on the determined time.

Apparatus and method for gating transmission of a data rate control channel in an HDR mobile communication system

A method for controlling power in a communication system is disclosed. The power control method includes the steps of calculating a first offset according to traffic information of a mobile station and data transmission channel quality information of the mobile station, determining a second offset according to received channel quality information of the mobile station, received from the mobile station, determining a third offset according to interference information received from other base stations neighboring the base station, and transmitting, to the mobile station, power control information determined based on the first offset, the second offset and the third offset.

Method and system for controlling power in a communication system

A method and Mobile Subscriber Station (MSS) are provided for transmitting Channel Quality Information (CQI) in a wireless communication system. The method includes transmitting first information including a value related to CQI for at least one of bands; and transmitting second information including a differential CQI for the at least one of the bands, wherein each band comprises a plurality of adjacent subcarriers.

Method and apparatus for transmitting/receiving channel quality information in a communication system using an orthogonal frequency division multiplexing scheme

An apparatus and method for transmitting and receiving data in a communication system are provided. In the method, a BS selects a repeater group from among a plurality of repeater groups, for use in transmitting first data to an MS and transmits the first data to the MS according to the number of repeaters of the selected repeater group. The first data is different from data transmitted by the repeaters of the selected repeater group.

Apparatus and method for transmitting and receiving data in a communication system

An apparatus and method for reducing the volume of a resource allocation information message in a broadband wireless communication system are provided, in which a scheduler determines whether to generate uplink control region allocation information, and a generator generates the uplink control region allocation information according to a result of the determination.

An apparatus and method for estimating a carrier to interference and noise ratio (CINR) in a mobile communication system based on a fractional frequency reuse are provided. The method includes receiving a report on CINR information on a common zone from a mobile station (MS) allocated a restricted zone, calculating a received signal power value using a CINR value and an interference level value for the common zone of the MS, and estimating a CINR value for a restricted zone using the received signal power value of the MS and an interference level for the restricted zone.

Apparatus and method for estimating carrier to interference and noise ratio in a mobile communication system based on fractional frequency reuse

A method and Mobile Subscriber Station (MSS) are provided for transmitting Channel Quality Information (CQI) in a wireless communication system using an Orthogonal Frequency Division Multiple Access (OFDMA) scheme. A Carrier to Interference and Noise Ratio (CINR) of at least two bands are measured; each of the at least two bands including a plurality of adjacent subcarriers for a band Adaptive Modulation and Coding (AMC) operation. A Report Response (REP-RSP) message including first information related to the measured CINR is sent. Second information related to a differential CINR of the at least two bands is sent via a Channel Quality Information Channel (CQICH).

A method and an apparatus maximize the capacity of a wireless communication network by taking into consideration inter-cell interference coordination. A home cell's capacity sensitivity to interference is calculated. At least one neighbor cell's capacity sensitivity to interference is collected. And at least one UE located in the home cell is scheduled based on the home cell's capacity sensitivity and the neighbor cell's capacity sensitivity. Accordingly, it is possible to achieve power and allocation control to maximize the capacity of the overall network including neighbor cells increase the system capacity in a cellular system in which inter-cell interference is large, and adaptively perform a UE scheduling in real time to changing distribution of UEs because information on a change in the capacity of each cell is shared by periods.

User equipment scheduling method in cellular uplink communication system and base station apparatus therefor

An apparatus is operable to control power of a base station in a distributed Multiple Input Multiple Output (MIMO) wireless communication system. At least one beamforming matrix is used for processing transmission signals to terminals included in a terminal set for a multiple access is determined. Minimum power values required for satisfying a minimum transmission rate of the terminals are determined. Whether optimum power values exist is determined using the minimum power values, the beamforming matrix, and a limit transmission power of the base station. When the optimum power values exist, transmission power values for respective terminals are determined in a range meeting the limit transmission power of the base station.

Apparatus and method for controlling power in distributed multiple input multiple output wireless communication system

Control information communicating apparatus and method in Broadband Wireless Access (BWA) system are provided. A Base Station (BS) includes a manager for managing UL control region allocation information of adjacent BSs; a scheduler for scheduling resources and controlling periodic transmission of UL control region allocation information when a UL control region of the BS is the same as UL control regions of the adjacent BSs; and a control information generator for periodically generating the UL control region allocation information under the control of the scheduler.

Apparatus and method for communicating control information in broadband wireless access (BWA) system

A scheduling method in a wireless communication includes receiving a Channel Quality Indicator (CQI) from a plurality of terminals. The method also includes determining an average transmission rate of each terminal based on the CQI by approximating an instantaneous transmission rate distribution to a Gaussian distribution. The method further includes determining a weight of each terminal such that the average transmission rate of each terminal satisfies a target transmission rate. The method also includes selecting a terminal set by applying the determined weight. Thus, it is possible to control the fairness between the terminals and to efficiently control the transmission rate of the terminals according to the required transmission rate and the channel environment of the terminals.

Scheduling method and apparatus for control average transmission rate in multiple antenna system

A method and an apparatus for pre-scheduling in a closed-loop multiple user multiple input multiple output (MU-MIMO) antenna system. A base station receives channel information representing a downlink channel condition of each mobile station from mobile stations in a cell, and determines a candidate user group for each of frequency bands included in an entire frequency band, based on the channel information, the candidate user group including mobile stations to which resources can be simultaneously allocated. The base station also instructs a mobile station included in each candidate user group to transmit a sounding signal through a corresponding frequency band. If the sounding signal is received through the corresponding frequency band, the base station performs a scheduling with regard to the mobile station included in each candidate user group.

Method and apparatus for pre-scheduling in closed-loop MU-MIMO antenna system

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Seoul, South Korea

Soon-Young Yoon