Radio communication apparatus and transmission rate control method
First Claim
1. A radio communication apparatus comprising:
- transmission rate switching means for switching a transmission rate of a transmission signal based on reception quality information from the other end of communication; and
transmission means for transmitting a transmission signal at the switched transmission rate.
10 Assignments
0 Petitions
Accused Products
Abstract
The communication terminal apparatus measures reception quality and reports the measurement result to the base station apparatus, and the base station apparatus switches the transmission rate based on the reported result of the reception quality. In this way, the transmission rate is switched starting at the point in time at which the reception quality of the communication terminal apparatus deteriorates. Furthermore, the transmission rate is switched so that the amount of interference with others is within the allowable range according to the channel condition between the communication terminal apparatus and base station apparatus.
-
Citations
30 Claims
-
1. A radio communication apparatus comprising:
-
transmission rate switching means for switching a transmission rate of a transmission signal based on reception quality information from the other end of communication; and
transmission means for transmitting a transmission signal at the switched transmission rate. - View Dependent Claims (2, 3, 4, 5, 16, 17, 18)
-
-
6. A radio communication apparatus comprising:
-
reception quality estimation means for estimating the reception quality of the other end of communication based on transmission power control information of said other end of communication;
transmission rate switching means for switching the transmission rate of a transmission signal based on this reception quality estimation result; and
transmission means for transmitting the transmission signal at the switched transmission rate. - View Dependent Claims (7, 8, 9, 10)
-
-
11. A radio communication apparatus comprising:
-
transmission rate switching means for switching a transmission rate of a transmission signal based on transmission power control information from the other end of communication; and
transmission means for transmitting the transmission signal at the switched transmission rate. - View Dependent Claims (12, 13, 14, 15, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30)
-
-
19. A radio communication system comprising:
-
a first radio communication apparatus comprising reception quality measuring means for measuring reception quality and transmission means for transmitting information including this reception quality; and
a second radio communication apparatus comprising transmission rate switching means for switching a transmission rate based on said reception quality.
-
-
28. A transmission rate control method comprising the steps of:
-
comparing allowable transmission power set in a first layer with average transmission power obtained in a second layer, which is lower than said first layer;
indicating a change or no change in a transmission rate in said second layer according to said comparison result; and
changing the transmission rate in a third layer which is higher than said second layer and lower than said first layer according to a change or no change in said transmission rate.
-
Specification