Control Channel in a Wireless Device and Wireless Network

A method comprising:

• determining a received signal based on signals received via a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers in a first OFDM symbol;
• generating, by a wireless device, a first signal corresponding to a first base station by at least decoding the signals received via the plurality of OFDM subcarriers in the first OFDM symbol;
• generating a processed first signal based on the first signal by at least encoding the first signal;
• generating a second signal corresponding to a second base station by at least performing, based on the processed first signal, interference cancellation on the received signal;
• generating a physical broadcast message based on the second signal by at least decoding the second signal;
• and
• determining, based on the physical broadcast message, a plurality of system parameters of the second base station.

A method comprising:

• determining a received signal based on signals received via a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers in one or more OFDM symbols;
• generating, by a wireless device, a first plurality of correlation values by correlating a first plurality of synchronization signals with the signals received via the plurality of OFDM subcarriers in the one or more OFDM symbols;
• determining, based on the first plurality of correlation values, a first synchronization signal transmitted by a first base station;
• generating a processed first synchronization signal based on the first synchronization signal by at least scaling the first synchronization signal by a scaling factor;
• generating an updated received signal by at least performing, based on the processed first synchronization signal, interference cancellation on the received signal;
• and
• determining, based on the updated received signal, a second synchronization signal transmitted by a second base station.

A wireless device comprising:

• one or more processors;
• and
• memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
• determine a received signal based on signals received via a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers in a first OFDM symbol;
• generate a first signal corresponding to a first base station by at least decoding the signals received via the plurality of OFDM subcarriers in the first OFDM symbol;
• generate a processed first signal based on the first signal by at least encoding the first signal;
• generate a second signal corresponding to a second base station by at least performing, based on the processed first signal, interference cancellation on the received signal;
• generate a control format indicator based on the second signal by at least decoding the second signal;
• and
• determine, based on the control format indicator, a number of OFDM symbols of a control region of the second base station.

A wireless device comprising:

• one or more processors;
• and
• memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
• determine a received signal based on signals received via a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers in a first OFDM symbol;
• generate a first signal corresponding to a first base station by at least decoding the signals received via the plurality of OFDM subcarriers in the first OFDM symbol;
• generate a processed first signal based on the first signal by at least encoding the first signal;
• generate a second signal corresponding to a second base station by at least performing, based on the processed first signal, interference cancellation on the received signal;
• generate a physical broadcast message based on the second signal by at least decoding the second signal;
• and
• determine, based on the physical broadcast message, a plurality of system parameters of the second base station.

A wireless device comprising:

• one or more processors;
• and
• memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
• determine a received signal based on signals received via a plurality of orthogonal frequency division multiplexing (OFDM) subcarriers in one or more OFDM symbols;
• generate a first plurality of correlation values by correlating a first plurality of synchronization signals with the signals received via the plurality of OFDM subcarriers in the one or more OFDM symbols;
• determine, based on the first plurality of correlation values, a first synchronization signal transmitted by a first base station;
• generate a processed first synchronization signal based on the first synchronization signal by at least scaling the first synchronization signal by a scaling factor;
• generate an updated received signal by at least performing, based on the processed first synchronization signal, interference cancellation on the received signal;
• and
• determine, based on the updated received signal, a second synchronization signal transmitted by a second base station.