Antenna diversity communications device

An antenna diversity communications device comprising:

• at least first and second antennas;
• a switching means for alternatively selecting a received signal from one of said at least first and second antennas;
• a reception information measuring means for measuring received information that indicates a receiving condition of the one of said at least first and second antenna currently selected by said switching means;
• a memory means for storing frequency difference information between a current channel and a next channel;
• a switching control means for controlling said switching means;
• said switching control means being responsive to said frequency difference information and said signal information to order said switching means to connect to a different one of said at least first and second antennas when hopping to a next channel if a high frequency correlation exists between said current channel and said next channel and a current receiving condition is poor.

An antenna diversity communications device for communicating by means of frequency hopping, said communications device comprising:

• at least first and second communications paths;
• a first antenna on said first communications path;
• a second antenna on said second communications path;
• a switching means for alternatively selecting one said first and second communications paths from said at least first and second communications paths;
• a reception information measuring means for measuring signal information that indicates a receiving condition of a path selected by said switching means;
• a memory means for storing signal information measured by said reception information measuring means;
• and
• means for selecting a one of said at least first and second communications paths based on said signal information stored in said memory means.