The modulation/demodulation unit modulates information to be transmitted, or demodulates information received. The time slot control unit assigns time slots to a terminal apparatus when the base station apparatus establishes connection with the terminal apparatus. The quality derivation unit derives...http://www.google.com/patents/US7310531?utm_source=gb-gplus-sharePatent US7310531 - Transmission rate changing method, and base station apparatus using the same
