公开(公告)号：US20150223238A1

公开(公告)日：2015-08-06

申请号：US14599652

申请日：2015-01-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jin Suk PAK ,  Byung Jang JEONG ,  Sung Jin YOO ,  Jae Ick CHOI

IPC: H04W72/04 ,  H04W48/12 ,  H04L5/00

CPC classification number: H04W48/12 ,  H04J11/0053 ,  H04L5/0073 ,  H04W28/08 ,  H04W48/18 ,  H04W72/00 ,  H04W88/06

Abstract: Disclosed is a method for managing network resources of a wireless terminal in a heterogeneous network environment and the method for managing network resources includes: searching for one or more networks which are accessible in the heterogeneous network environment; acquiring cycle information of the networks searched through the network searching; determining coexistence management cycles of the searched networks based on the cycle information; allocating one or more networks to be used in data transmission among the networks searched according to the coexistence management cycle and determining transmission management cycles of one or more allocated networks; and managing a resource of the searched network according to the coexistence management cycle and the transmission management cycle.

Abstract translation: 公开了一种用于管理异构网络环境中的无线终端的网络资源的方法，并且用于管理网络资源的方法包括：搜索在异构网络环境中可访问的一个或多个网络; 通过网络搜索获取搜索到的网络的周期信息; 基于所述周期信息确定所搜索的网络的共存管理周期; 根据所述共存管理周期，在搜索到的网络之间分配要用于数据传输的一个或多个网络，并确定一个或多个分配的网络的传输管理周期; 并根据共存管理周期和传输管理周期管理搜索到的网络的资源。

公开(公告)号：US20150208441A1

公开(公告)日：2015-07-23

申请号：US14461124

申请日：2014-08-15

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Jin YOO ,  Jin Suk PAK ,  Byung Jang JEONG ,  Sung Hyun HWANG

IPC: H04W74/08

CPC classification number: H04W74/0816

Abstract: Provided is a hidden node detection method and apparatus in a wireless communication system, the apparatus including a sensing unit to sense a first communication device transmitting a data signal from among a plurality of communication devices sharing a wireless channel, a transmitter to generate a reception notification signal in response to the sensing, and transmit the reception notification signal to the a plurality of communication devices through a band identical to a transmission band of the data signal, and a controller to prevent a collision with the data signal transmitted from the first communication device through the wireless channel by delaying processing of a data transmission request when the data transmission request is input from a second communication device among the plurality of communication devices while maintaining the transmitting of the reception notification signal.

Abstract translation: 提供了一种无线通信系统中的隐藏节点检测方法和装置，该装置包括：感测单元，用于感测从共享无线信道的多个通信设备中发送数据信号的第一通信设备;发送器，用于生成接收通知 信号，并且通过与数据信号的传输频带相同的频带向多个通信设备发送接收通知信号;以及控制器，用于防止与从第一通信设备发送的数据信号的冲突 在保持发送接收通知信号的同时，在多个通信装置中从第二通信装置输入数据发送请求时，通过延迟数据发送请求的处理，通过无线信道。

公开(公告)号：US20140185458A1

公开(公告)日：2014-07-03

申请号：US13867600

申请日：2013-04-22

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Jin YOO ,  Jin Suk PAK ,  Byung Jang JEONG

IPC: H04W24/08

CPC classification number: H04W24/08 ,  H04L1/1854 ,  H04L2001/0093

Abstract: Disclosed are a method of managing an error in wireless transmission, and an apparatus thereof, and more particularly, a method of managing an error in multicast or broadcast transmission, and an apparatus thereof. The method of managing an error in multicast or broadcast transmission disclosed in the present invention includes: receiving data multicasted or broadcasted to a plurality of receivers; determining whether the data is normally received; selecting a random resource among wireless resources through which an acknowledgement indicating whether the data is normally received is to be transmitted; and transmitting the acknowledgement indicating whether the data is normally received through the selected random resource.

Abstract translation: 公开了一种管理无线传输中的错误的方法及其装置，更具体地，涉及多播或广播传输中的错误管理方法及其装置。 在本发明中公开的多播或广播传输中的管理错误的方法包括：接收多播或广播的数据到多个接收机; 确定数据是否正常接收; 选择要发送表示数据正常接收的确认的无线资源中的随机资源; 以及发送指示所述数据是否通过所选择的随机资源正常接收的确认。

公开(公告)号：US20140162715A1

公开(公告)日：2014-06-12

申请号：US13938935

申请日：2013-07-10

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jin Suk PAK ,  Sung Jin YOO ,  Sang Won KIM ,  Jung Sun UM ,  Byung Jang JEONG

IPC: H04W72/10

CPC classification number: H04W72/085 ,  H04W16/14 ,  H04W64/00

Abstract: The present invention provides a channel information providing method, a channel information providing database server, and a channel information providing system which receive channel quality information from a cognitive radio terminal which receives channel information based on position information and efficiently use channels using the received information. A channel information providing method which uses a database server to provide channel information to a cognitive radio terminal based on position information includes providing channel information to at least one cognitive radio terminal; receiving collected information regarding a quality of the channel from the at least one cognitive radio terminal; and determining to update the channel information provided in the providing using the information received in the receiving.

Abstract translation: 本发明提供了一种信道信息提供方法，信道信息提供数据库服务器和信道信息提供系统，其从认知无线终端接收信道质量信息，所述认知无线终端基于位置信息接收信道信息，并使用所接收的信息有效地使用信道。 基于位置信息使用数据库服务器向认知无线终端提供频道信息的频道信息提供方法包括向至少一个认知无线电终端提供频道信息; 从所述至少一个认知无线电终端接收关于所述信道的质量的收集的信息; 以及确定使用在所述接收中接收到的信息来更新所述提供中提供的信道信息。

公开(公告)号：US20130163575A1

公开(公告)日：2013-06-27

申请号：US13627319

申请日：2012-09-26

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jin Suk PAK ,  Jung Sun UM ,  Gwang Zeen KO ,  Sung Jin YOO ,  Sang Won KIM ,  Byung Jang JEONG

IPC: H04W84/12 ,  H04L12/413

CPC classification number: H04W74/0808 ,  H04W72/042 ,  H04W84/12

Abstract: Disclosed is a contention based channel occupying method in a wireless network using a plurality of channels, including: acquiring, by terminals that are incapable of transmitting a data frame through primary contention, occupation channel information from a terminal that transmits the data frame through the primary contention; verifying, by the terminals, an occupiable channel based on the occupation channel information; and performing, by the terminals, secondary contention in the occupiable channel.

Abstract translation: 公开了一种使用多个信道的无线网络中的基于竞争的信道占用方法，包括：通过主要争用不能发送数据帧的终端从通过主要发送数据帧的终端获取占用信道信息 争用 基于所述占用频道信息，由所述终端验证占用频道; 并且由终端执行在占用信道中的二次争用。

公开(公告)号：US20140200017A1

公开(公告)日：2014-07-17

申请号：US13920504

申请日：2013-06-18

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jung Sun UM ,  Jae Hyun PARK ,  Byung Jang JEONG ,  Sang Won KIM ,  Jin Suk PAK

IPC: H04L5/06

CPC classification number: H04L5/006 ,  H04L5/0023 ,  H04L5/0035 ,  H04L5/0085 ,  H04L27/0006

Abstract: To perform communication in a cognitive radio network, a cognitive radio apparatus according to an exemplary embodiment includes: an estimation module configured to generate a channel estimation signal to be transmitted to a predetermined reception apparatus positioned in a predetermined channel in the case of selecting the predetermined channel from among multiple channels; a communication module configured to transmit the channel estimation signal to the predetermined reception apparatus, and to receive a channel response signal from the predetermined reception apparatus; and a control module configured to control the communication module so that at least one of a communication signal set with respect to the predetermined channel and a variable communication signal obtained by varying the communication signal is transmitted to the predetermined reception apparatus, when it is determined that the predetermined channel is positioned in a deep fading section based on the channel response signal.

Abstract translation: 为了在认知无线电网络中执行通信，根据示例性实施例的认知无线电设备包括：估计模块，被配置为在选择预定的情况下，生成要发送到定位在预定信道中的预定接收设备的信道估计信号 频道来自多个频道; 通信模块，被配置为将所述信道估计信号发送到所述预定接收装置，并从所述预定接收装置接收信道响应信号; 以及控制模块，其被配置为控制所述通信模块，使得相对于所述预定信道设置的通信信号和通过改变所述通信信号获得的可变通信信号中的至少一个被发送到所述预定接收装置，当确定 基于信道响应信号将预定信道定位在深衰落部分中。

公开(公告)号：US20130176960A1

公开(公告)日：2013-07-11

申请号：US13734213

申请日：2013-01-04

Applicant: Electronics And Telecommunications Research Institute

Inventor： Antony A. FRANKLIN ,  Jin Suk PAK ,  Gwang Zeen KO ,  Sung Jin YOO ,  Byung Jang JEONG

IPC: H04W72/04

CPC classification number: H04W72/046 ,  H04W72/02 ,  H04W84/22

Abstract: A cognitive radio mesh node may include at least one directional antenna, at least one transceiver to transmit and receive data using the at least one directional antenna, and a processor to determine a channel for performing communication for a cognitive radio mesh network based on a geolocation database and to control the at least one transceiver based on the determined channel.

Abstract translation: 认知无线电网状节点可以包括至少一个定向天线，至少一个收发信机，用于使用至少一个定向天线发送和接收数据，以及处理器，用于基于地理位置来确定用于认知无线电网状网络的通信的信道 数据库，并且基于所确定的信道来控制所述至少一个收发器。