Patent ID: 9125082
Filing Date: 2015-09-01
Classification: H04L,H04W

Abstract:
1. An apparatus for communicating in a wireless multi-carrier system comprising: a transmitter; and a controller unit coupled to the transmitter, wherein: the controller unit is configured for setting in the transmitter an initial number of carriers and an initial symbol rate at which symbols are transmitted from the transmitter to a receiver; the transmitter is configured for transmitting a first group of symbols using the initial number of carriers and the initial symbol rate; the controller unit is further configured for changing in the transmitter the rate at which symbols are transmitted from the transmitter to the receiver from the initial symbol rate to a subsequent symbol rate that is different than the initial symbol rate by changing a frequency that is used to clock a serial to parallel converter, a divide by N counter coupled to an iFFT, and a parallel to serial converter by changing a multiplexer output, thereby selecting a different circuit capable of generating the subsequent symbol rate rather than a previous circuit capable of generating the initial symbol rate; and the transmitter is further configured for transmitting a second group of symbols using the initial number of carriers and the subsequent symbol rate.