公开(公告)号：US20150092700A1

公开(公告)日：2015-04-02

申请号：US14456225

申请日：2014-08-11

Applicant: Sony Corporation

Inventor： Songpeng LI ,  Youping ZHAO

IPC: H04W72/08 ,  H04L12/26

CPC classification number: H04L43/0829 ,  H04W16/14 ,  H04W64/006 ,  H04W72/048

Abstract: The present disclosure provides a radio frequency spectrum management apparatus, method, system and secondary user apparatus for a cognitive radio system comprising primary systems and secondary systems, the radio frequency spectrum management apparatus comprises circuitry configured to: acquire, according to position variation information of respective secondary user groups in the secondary systems, path loss information at the positions before and after the movement of respective secondary user groups respectively, wherein, the secondary user group comprises one or more secondary users; and determine an adjustment to the usage of frequency spectrums of the secondary users, according to the variation of the path loss information at the positions before and after the movement of respective secondary user groups. The present disclosure may at least improve the efficiency of adjusting the frequency spectrum resource.

Abstract translation: 本公开提供了一种用于包括主系统和次系统的认知无线电系统的射频频谱管理装置，方法，系统和次用户装置，所述无线电频谱管理装置包括：电路，被配置为：根据各自的位置变化信息 辅助系统中的次要用户组，分别在各个次要用户组移动之前和之后的位置处的路径损失信息，其中，次要用户组包括一个或多个次要用户; 并且根据各次要用户组的移动前后位置处的路径损耗信息的变化，确定对二次用户频谱使用的调整。 本公开可以至少提高调整频谱资源的效率。

公开(公告)号：US20170339705A1

公开(公告)日：2017-11-23

申请号：US15525861

申请日：2015-11-13

Applicant: SONY CORPORATION

Inventor： Youping ZHAO ,  Chen SUN ,  Songpeng LI ,  Xin GUO

IPC: H04W72/10 ,  H04L5/00

Abstract: A radio resource management system and method, the system includes: an acquisition device acquiring a range to be protected of a high priority system and a positioning range of a low priority system based on position information about at least one high priority system and at least one low priority system; a selection device selecting, with regard to the high priority system in at least one high priority system group, a position where a reference generated by a low priority system to the high priority system satisfies a pre-determined condition, for each low priority system within the positioning range thereof, as a reference position of the low priority system based on the range to be protected of the high priority system; and a parameter determination device determining a working parameter of the low priority system for the high priority system based on the reference position of each low priority system.