Methods and apparatus for partial interference reduction within wireless networks
摘要
說明書
Referring now to
At step 932, the OFDM symbol is received at the UE. The received symbol has been corrupted by other superimposed interfering OFDM symbols.
Note that unlike the BS, the UE does not have access to a perfect model of the signals which were partially interference cancelled (reduced), and therefore this information must be transmitted a priori, or otherwise known to the UE For example, these preamble/pilot/LS, etc. signals are defined in the relevant air interface standard (e.g., IEEE-Std. 802.16e). The UE is programmed to have all such information as defined in the standard stored therein, or otherwise may receive the data (e.g., periodically) from another source.
At step 934, the strongest interfering signal present on the OFDM carriers for which partial interference reduction was performed at the transmitter is first estimated (index n set to n=1). This estimation is performed by using the transmitted or indigenously known a priori information referenced above. Step 936 of the process decodes this strongest interfering signal obtained from step 934, re-encodes it, and subtracts it from the received signal.
