Sharing frequencies in an OFDM-based wireless communication system

摘要

A method and apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.

主权项

1. An apparatus for sharing frequencies in a worldwide interoperability for microwave access (WiMAX) wireless communication system, wherein the apparatus comprising:
memory; and a processor communicatively coupled to the memory, wherein the processor is configured to perform a method comprising: detecting an interference signal in the radio frequency band; setting, based upon the interference signal, interference indication information in a modified forward control header (FCH) of a downlink frame to be sent to a mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band, wherein the modified FCH includes a downlink frame prefix in accordance with the WiMAX standard and a modified downlink frame prefix, wherein a portion of the downlink frame prefix that is in accordance with the WiMAX standard comprises a subset of the interference indication information, and where the modified downlink frame prefix comprises a remaining set of the interference indication information; and sending the downlink frame to the mobile device, such that the mobile device, based upon the interference indication information, avoids the frequency range where the interference signal is located.