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Patent Searching and Data


Title:
METHOD OF GENERATING CONNECTIVITY TREE
Document Type and Number:
Japanese Patent JP2008061256
Kind Code:
A
Abstract:

To provide a cost-effective wireless network that can support both voice and data and for efficient use of the limited radio spectrum.

A wireless network includes master and slave units. The master sends a master address and clock to the slaves. Communication is performed by means of a virtual frequency hopping channel whose hopping sequence is determined according to a function of the master address, and whose phase is to a function of the master clock. Transmitted inquiry messages solicit slave address and topology information from the slaves, which may be used to generate a configuration tree for determining a route for a connection between the master and slave units. Slave address and topological information include own address from each of the slave units and only first order address lists from each of the slave units. Generating of the configuration tree includes generation of the hierarchy of connectivity rings from the first order address lists.


Inventors:
HAARTSEN JACOBUS CORNELIS
Application Number:
JP2007237169A
Publication Date:
March 13, 2008
Filing Date:
September 12, 2007
Export Citation:
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Assignee:
ERICSSON TELEFON AB L M
International Classes:
H04L12/44; H04B1/7143; H04B7/26; H04L12/28; H04L12/56; H04W84/20; H04W8/24; H04W8/26; H04W40/04; H04W40/30
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama