Lg Electronics Inc.

Yonsei University

Korea Advanced Institute of Science and Technology

Samsung Electronics Co., Ltd.

Industry-Academic Cooperation Foundation

Song Chong

Jeonghoon Mo

Jihwan Kim

Jeongho Kwak

Byounghoon Kim

Jaewon Lim

Okyoung Choi

Joseph Jeon

Changsik Lee

Yunjung Yi

Byoung Hoon Kim

Joo-Hyun Lee

Jae Won Lim

Eunyong Kim

Yohan Kim

Ji Hwan Kim

Jeong Ho Kwak

Kyu-Ho Son

Joonkui Ahn

Hyunsoo Ko

Jaehoon Chung

Soon-Young Yoon

Byoung-Hoon Kim

Jong-Hyung Kwun

Min Seok Oh

Young-Ki Kim

Beom Joon Kim

Young Ki Kim

Dai-Kwan Kim

Yung Yi

Ji-Hyun Lee

Jin Woo Shin

Bong-Chan Kim

Jaeyun Ko

Hwang Soo Lee

Nah Oak Song

Kyoung-Soo Park

Byunghoon Kim

Jungho Kwak

Sachin Lal Shrestha

Jeong-Ho Jeon

Hyang-Won Lee

Ki Min Lee

Hyang Won Lee

The present disclosure provides a method and an apparatus for scheduling traffic in a wireless communication system. A method for a base station operating in a wireless communication system according to an embodiment of the present disclosure comprises the steps of: receiving feedback information from a plurality of terminals; and scheduling the plurality of terminals based on the feedback information, wherein the step of scheduling the plurality of terminals includes a step of scheduling so as to reduce throughput of terminals in a first group of the plurality of terminals that are in an overload state, and to satisfy delay-based quality of service (QoS) of terminals in a second group of the plurality of terminals that are in under-load state. As a result, the total utility of all the terminals can be maximized, a delay-based QoS with respect to all the terminals can be achieved on average, and a minimum data rate-based QoS can be achieved on average.

Method and apparatus for scheduling in wireless communication system

A method for scheduling by a base station is provided. The method includes updating a first time that is required to complete ongoing data transmission with respect to terminals to which the base station is transmitting the data for a predetermined period, updating a second time that is delayed from a scheduled data transmission completion time with respect to the terminals whenever the data transmission is completed, determining priority values on the basis of the updated first time and the updated second time with respect to the terminals for the predetermined period, and performing the scheduling of the resources with respect to one or more of the terminals on the basis of the determined priority values for the predetermined period.

Method and apparatus for scheduling for wireless packet network

A method and an apparatus for effectively determining a terminal which will transmit or receive packets in a packet-based wireless network are provided. The scheduling method of a base station of a wireless communication system includes determining a first status variable for an increment of whole network utility to data amount allocated to at least one terminal and a second status variable for an increment of the whole network utility to a scheduling chance allocated to the terminal, determining a scheduling metric based on the first and second status variables, and scheduling the at least one terminal based on the scheduling metric.

Scheduling method and apparatus of wireless communication system

The present invention relates to a method for a base station to manage resources in order to perform beamforming in a wireless access system, the method being characterized by comprising the steps of: receiving cluster information from a cluster head; and determining, on the basis of the received cluster information, terminals to be scheduled in a cluster including the cluster head, wherein the cluster information comprises location and channel gain information for the terminals belonging to the cluster including the cluster head.

Apparatus and method for transmitting feedback information using terminal accessibility in a wireless access system

Some embodiments of the present disclosure provide a method for managing access points in a Wi-Fi network by using a centralized controller. In some embodiments of the present disclosure, a Wi-Fi access point management method is provided for minimizing interference between Wi-Fi access points in a Wi-Fi network environment, and for reducing excessive power consumption by using a centralized controller to adapt to network conditions, meeting requirements including users' traffic demands.

Method for managing access points in WiFi network

A data transmission method of a terminal device according to an embodiment of the present invention may comprise the steps of: identifying a probability density function for battery consumption by time by accumulating information on a user's battery consumption pattern; identifying information on next charging time (T); identifying the battery depletion probability using the probability density function and the next charging time (T); and transmitting data if the battery depletion probability is less than a predetermined threshold value.

Data transmission method according to battery use pattern

The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for scheduling a terminal in a wireless communication system permitting overlapping between base station clusters, and an apparatus therefor, the method comprising the steps of: grouping a plurality of terminals into a plurality of groups satisfying predetermined conditions; and selecting one more terminals for scheduling by means of a group-based greedy algorithm for each of the plurality of groups, wherein, in the group-based greedy algorithm, a check is skipped for whether the total number of base station antennas corresponding to each group is equal to or greater than the number of terminals selected from each group.

Method for managing wireless resource and apparatus therefor

The present invention relates to a communication terminal and a control method thereof, and the communication terminal according to the present invention comprises: a radio frequency (RF) unit for receiving and/or transmitting data; and a control unit for controlling the data received and/or transmitted through the RF unit, wherein the control unit can select an application processed through the terminal, control a processing speed of the terminal, determine the network through which the data is transmitted, and determine a combination of a data rate and transmission power.

Method for controlling transmission power and transmission delay, and communication terminal using same

An apparatus and a method for reserved transmission of non-real-time content in a heterogeneous network environment are disclosed. According to the present disclosure, a method for performing reserved transmission of non-real-time content in a heterogeneous network environment comprises receiving a transmission reservation option from either a mobile terminal user or a server, collecting information on networks accessible by the mobile terminal and data transmission rate on a regular basis, performing scheduling of whether to transmit data over a currently accessible network, based on the received transmission reservation option and the collected information on the accessible networks and the data transmission rate, and repeating data transmission according to the scheduling until transmission of the content is completed.

Apparatus and method for reserved transmission of non-real-time content in heterogeneous network environment

The present invention relates to a method in which an upper layer entity allocates resources to a plurality of access points (APs) in a wireless access system, including the plurality of APs and the upper layer entity for managing the plurality of APs, the method comprising the step of: sensing a change in minimum guaranteed resource amount allocated to each of the APs; acquiring, from each of the APs, AP-level topology information according to a degree of interference with adjacent APs and AP weight information given to each AP by a service provider; determining a minimum guaranteed resource amount for each of the APs based on the acquired AP-level topology information and AP weight information; and transmitting the determined minimum guaranteed resource amount to each of the APs.

Method and apparatus for allocating minimum guaranteed resource amount to access point in wireless access system

The present invention relates to a method in which a first station receives position information using a second station positioned in the vicinity of the first station. The method includes the steps of: receiving a station identifier (STID) and at least one fake identifier (ID) from a base station; obtaining a fake ID of the second station; requesting position information on the second station from the base station using the fake ID of the obtained second station; and receiving the position information on the second station of the base station, wherein the fake ID is an identifier used for position measurement and is mapped to the STID.

Method and apparatus for measuring a position in a wireless access system

An apparatus and method for selecting a processor clock speed and a wireless network are disclosed. The method for selecting a processing speed of a processor and/or a wireless network to be connected in a User Equipment (UE) in a wireless communication system includes detecting states of a processor-related queue and a network module-related queue, and selecting a processing speed of the processor-related queue and/or a wireless network to be connected, based on the detected states of the processor-related queue and the network module-related queue and power consumptions of a processor and a network module. The processing speed of the processor-related queue and/or the wireless network to be connected are selected to keep a difference between a length of the processor-related queue and a length of the network module-related queue at a predetermined value and minimize the power consumptions of the processor and the network module.

Apparatus and method for selecting processing speed of processor and wireless network

Specifically, according to one embodiment of the present invention, a method for operating a base station that assigns frequency resources to terminals in a wireless communication system is provided. The method comprises the steps of calculating a first metric using information relating to the transmission rate of each terminal; calculating a second metric using information relating to a proportion of a group to which each of the terminals belongs; determining a terminal to which a frequency resource is assigned on the basis of the calculated first and second metrics; assigning the resource to the determined terminal; and updating the information relating to the transmission rate for each terminal and the information relating to proportion of a group.

Scheduling in consideration of terminal groups in a mobile communication system

A method for controlling inter-cell interference in a wireless communication system includes receiving information about an interference control period from a central controller, performing carrier sensing based activation competition in the interference control period, and scheduling user equipments served by the BS if the BS wins the carrier sensing based activation competition. The carrier sensing based activation competition may be based on a BS-specific back-off value related to a BS-specific weight. The BS-specific weight may be determined as the sum of products of an instantaneous throughput and a differential value of an average throughput based utility function, for all UEs served by the BS.

Apparatus and method for controlling inter-cell interference in wireless communication system

Specifically, according to one embodiment of the present invention, a method for searching for an access point is provided. The method for searching may comprises the steps of: a terminal measuring the position thereof; checking an access point located near the measured position of the terminal; determining whether or not the distance between the terminal and the access point is greater than the radius range searchable by the terminal; and searching for the access point when the distance between the terminal and the access point is less than the radius range.

Method and terminal for searching for an access point

Growing community of inventors

Daejeon, South Korea

Song Chong