公开(公告)号：EP2456266A1

公开(公告)日：2012-05-23

申请号：EP10799640.7

申请日：2010-07-15

Applicant: National Institute of Information and Communication Technology

Inventor： SUN, Chen ,  DEMESSIE, Yohannes Alemseged ,  TRAN, Ha Nguyen ,  HARADA, Hiroshi

IPC: H04W52/24 ,  H04W52/08

CPC classification number: H04W52/241 ,  H04W52/12 ,  H04W52/243

Abstract: Provided is a power control method, etc., in cognitive radio communication, by which power control can be effectively performed without a large indirect cost. In the power control method, a target value of SNR is estimated on the basis of the control information relating to interference. Subsequently, communication power used for the cognitive radio communication is adjusted on the basis of the estimated target value of SNR. Thereby, power control can be effectively performed without a large indirect cost.

Abstract translation: 本发明提供一种功率控制方法等，在感知无线电通信，通过该功率控制可以在没有大的间接成本有效地进行。 在功率控制方法中，SNR的目标值估计的控制信息有关的干扰的基础上。 随后，用于认知无线电通信的通信功率SNR的估计目标值的基础上进行调整。 由此，功率控制可以有效地执行没有大的间接成本。

公开(公告)号：EP2456274A1

公开(公告)日：2012-05-23

申请号：EP10799645.6

申请日：2010-07-16

Applicant: National Institute of Information and Communication Technology

Inventor： SUN, Chen ,  DEMESSIE, Yohannes Alemseged ,  TRAN, Ha Nguyen ,  HARADA, Hiroshi

IPC: H04W72/08 ,  H04W72/04

CPC classification number: H04W16/14 ,  H04W72/082

Abstract: This invention is directed to provision of a channel adjusting method capable of suppressing the occurrence of interference between a cognitive pilot channel (CPC) and an auxiliary control channel (ACS) in cognitive wireless communications. According to the inventive channel adjusting method for use in cognitive wireless communications, initially, a connection using a cognitive pilot channel (CPC) is set up. Thereafter, it is determined whether or not a spectrum sensing channel (ACS) is to be utilized. If yes, it is then determinedwhether or not any interference occurs between the spectrum sensing channel (ACS) and the set-up cognitive pilot channel (CPC) . This allows an adjustment to be performed such that no interference occurs between the cognitive pilot channel (CPC) and the spectrum sensing channel (ACS).

Abstract translation: 本发明涉及提供一种能够抑制认知导频信道（CPC）之间和在认知无线通信辅助控制信道（ACS）的干扰的发生的信道调整方法进行说明。 。根据本发明的信道调整方法在认知无线通信中使用中，首先，使用感知导频信道（CPC）的连接后建立，在那里，它是确定性的开采一个频谱感测信道（ACS）是否被利用。 如果是，它是然后determinedwhether与否的频谱感测信道（ACS）和设定向上认知导频信道（CPC）之间的发生的任何干扰。 这允许调整被执行搜索做无干扰感知导频信道（CPC）和所述频谱感测信道（ACS）之间的发生。

公开(公告)号：EP2456250A1

公开(公告)日：2012-05-23

申请号：EP10799603.5

申请日：2010-07-12

Applicant: National Institute of Information and Communication Technology

Inventor： DEMESSIE, Yohannes Alemseged ,  TRAN, Ha Nguyen ,  SUN, Chen ,  HARADA, Hiroshi

IPC: H04W16/14 ,  H04W72/08

CPC classification number: H04W16/14

Abstract: In a cognitive radio communication device, before a communication link for the cognitive radio communication is established, a control channel which is a common channel which can be used by a plurality of cognitive radio communication devices is detected. By exchanging sensing information and sensing control information among the plurality of radio communication devices using the detected common channel, the information is shared. The plurality of cognitive radio communication devices share the sensing information and the sensing control information, and use the information for determining a channel used for spectrum monitoring and data communication, and the like.

Abstract translation: 在认知无线电通信装置，建立了用于认知无线电通信的通信链路之前，控制信道的所有中，检测可以由认知无线电通信设备中的多元使用的公共信道。 通过交换感测信息和感测使用所检出的公共信道的无线通信装置的多元性间控制信息，所述信息是共享的。 认知无线电通信设备的多元性共享感测信息和感测控制信息，并使用用于确定性挖掘的信息用于频谱监测和数据通信等的信道。

公开(公告)号：EP2458909B1

公开(公告)日：2015-09-02

申请号：EP10802079.3

申请日：2010-07-21

Applicant: National Institute of Information and Communication Technology

Inventor： DEMESSIE, Yohannes Alemseged ,  SUN, Chen ,  TRAN, Ha Nguyen ,  HARADA, Hiroshi

IPC: H04W16/14 ,  H04W88/02 ,  H04W52/02 ,  H04B1/7163 ,  H04W88/06

CPC classification number: H04B1/7163 ,  H04W52/0229 ,  H04W88/06

公开(公告)号：EP2542015A1

公开(公告)日：2013-01-02

申请号：EP11747028.6

申请日：2011-02-22

Applicant: National Institute of Information and Communication Technology

Inventor： SUN, Chen ,  TRAN, Ha Nguyen ,  DEMESSIE, Yohannes Alemseged ,  HARADA, Hiroshi

IPC: H04W84/00 ,  H04W72/08

Abstract: Disclosed is a wireless communication system capable of avoiding interference even when a network including a secondary user coexists. The wireless communication system includes a primary user belonging to a first network, a first secondary user belonging to a second network, and a coexistence manager (CM). The coexistence manager (CM) acquires information relating to spectrum holes that are, at least temporarily, not in use by the primary user. In addition, the coexistence manager (CM) determines whether or not usage of the spectrum holes by the first secondary user causes interference. If the determination result is that interference is caused, coexistence manager (CM) notifies to this effect a second secondary user belonging to a third network, which differs from the second network.

Abstract translation: 公开的是能够避免干扰，即使当网络包括次级用户共存的无线通信系统。 所述无线通信系统包括属于第一网络，属于第二网络的第一次要用户，以及共存管理器（CM）的初级用户。 共存管理器（CM）信息获取有关频谱空洞确实是，至少是暂时的，不能在由主用户使用。 此外，共存管理器（CM）bestimmt频谱孔是否使用由第一次要用户造成干扰。 如果确定结果是没有干扰造成的，共存管理器（CM）通知给该效果属于第三网络，其中从所述第二网络不同的第二次用户。

公开(公告)号：EP2458909A1

公开(公告)日：2012-05-30

申请号：EP10802079.3

申请日：2010-07-21

Applicant: National Institute of Information and Communication Technology

Inventor： DEMESSIE, Yohannes Alemseged ,  SUN, Chen ,  TRAN, Ha Nguyen ,  HARADA, Hiroshi

IPC: H04W16/14 ,  H04B1/713 ,  H04W72/08 ,  H04W88/02

CPC classification number: H04B1/7163 ,  H04W52/0229 ,  H04W88/06

Abstract: Provided is a spectrum sensor for cognitive wireless communication whereby it is possible to improve communication efficiency. In a cognitive wireless communication system, a spectrum sensor senses spectra in multiple frequency bands. A spectrum sensor (1) is configured to be able to operate in one operation mode selected from among a spectrum sensing mode for sensing spectra, and a communication mode for communicating with a wireless communication device. Further, the spectrum sensor is provided with a controller (51) for controlling the operation mode. The controller (51) switches between the above-mentioned operation modes during the symbol period of an ultra-wideband physical layer (UWB PHY).

Abstract translation: 提供了一种用于认知无线通信，由此，能够提高通信效率的频谱传感器。 在认知无线通信系统中，频谱传感器感测在多个频带光谱。 频谱传感器（1）被构成为能够在从之中的频谱感测模式，用于感测的光谱选择的一个操作模式，以及用于与无线通信设备进行通信的通信模式中操作。 此外，光谱传感器设置有用于控制操作模式的控制器（51）。 该控制器（51）中的超宽带物理层（UWB PHY）的符号周期的上述操作模式之间切换。