Title:
Radio communication equipment, a wireless communication method, and a wireless-communications network
Document Type and Number:
Japanese Patent JP6210507
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve detection performance for frequency sensing.SOLUTION: A master node acquires, from the predetermined number of cooperative nodes for cooperatively performing sensing of a primary signal, observation data including present positions of the cooperative nodes and reception signal power of the primary signal observed by the cooperative nodes; acquires average reception power corresponding to the present positions of the predetermined number of cooperative nodes from a database for storing average reception power in the past; calculates a weighting factor for each cooperative node by using the predetermined number of average reception power; calculates a verification statistic by weighting the reception signal power on the basis of the weighting factor; and determines presence/absence of the primary signal on the basis of the verification statistic. This technology can be applied to, for example, a radio communication networking performing communication using a cognitive radio.
Inventors:
Takeo Fujii
Inage
Yuya Ogami
Kitamura Yuyuki
Inage
Yuya Ogami
Kitamura Yuyuki
Application Number:
JP2013215671A
Publication Date:
October 11, 2017
Filing Date:
October 16, 2013
Export Citation:
Assignee:
The University of Electro-Communications
International Classes:
H04W16/14; G08G1/09; H04W4/04; H04W16/18
Domestic Patent References:
| JP2005269042A | ||||
| JP2010062783A |
Other References:
大上裕也、北村優行、稲毛契、藤井威生,コグニティブ無線車両間ネットワークにおけるプライマリユーザとの相対位置を考慮した重み付け協調センシング手法,電子情報通信学会2013年通信ソサイエティ大会講演論文集1,日本,一般社団法人電子情報通信学会,2013年 9月 3日
Hasan Rajib Imam、稲毛契、太田真衣、藤井威生,コグニティブ無線におけるセンシング情報を活用した空間的な広がりを考慮した電波環境データベース構築に関する検討,電子情報通信学会技術研究報告 Vol.111 No.417,日本,一般社団法人電子情報通信学会,2012年 1月19日,第111巻
Hasan Rajib Imam、稲毛契、太田真衣、藤井威生,コグニティブ無線におけるセンシング情報を活用した空間的な広がりを考慮した電波環境データベース構築に関する検討,電子情報通信学会技術研究報告 Vol.111 No.417,日本,一般社団法人電子情報通信学会,2012年 1月19日,第111巻
Attorney, Agent or Firm:
Yoshio Inamoto
Takashi Nishikawa
Takashi Nishikawa