Patent ID: 9386560
Filing Date: 2016-07-05
CPC Classification: H04L,H04W

Claim Text:
1. A base station for orthogonal frequency division multiplexing (OFDM) data transmission in a plurality of sub-frames, the base station comprising: a transmitter including a processor and a radio-frequency (RF) circuit configured to transmit a default cyclic prefix for each of first one or more OFDM symbols in each of the plurality of sub-frames, the number of said first one or more OFDM symbols being n having a value of 2 or greater and being less than m, and an extended-length cyclic prefix for remaining m-n OFDM symbols, wherein a multimedia broadcast multicast service (MBMS) signal is transmitted on the remaining m-n OFDM symbols, and wherein a length of the default cyclic prefix is less than a length of the extended-length cyclic prefix.