After the guard interval TRG guard interval before the end of the beginning to the RTG, in the base station eNB sends a data signal to the relay RN carry common reference signal CRS and / or the carrier control signal or demodulation reference signal DMRS, where, TRG is back in RN the transmission signal from the transmission link into the guard interval of the received signal, RTG is RN guard interval from the received signal into a transmission signal on the backhaul link;

RN under the CRS or DMRS, for eNB incoming signal is demodulated.

The RTG occupied PRB pair in chronological order from the first order of priority after the first 14 OFDM symbols.

The RTG occupied PRB pair in chronological order from the first order of priority after the first 14 OFDM symbols.

When it carries on CRS Carrier eNB transmitting data signals and / or control signals to the RN, eNB at 1, 4, 5 and 8 orthogonal frequency division multiplexing OFDM symbol carrying the CRS within, in the need to carry after the end of the TRG within each OFDM symbol of CRS, CRS will be carried in accordance with the PRB in each carrier frequency from low to high order in the first row 1, 4, 7 and 10 of the carrier;

When DMRS carried on a carrier eNB transmitting data signals and / or control signals to the RN, eNB carry DMRS in the second and third OFDM symbols after the end of the TRG, we need to bring in each OFDM symbol DMRS will DMRS PRB carried in accordance with the frequency of each carrier from low to high order came in the No. 7 or No. 6 and 7 of the carrier; or

eNB carry DMRS in the first 2, 3, 6, and 7 OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high order ranked No. 7 on, or the carrier and the first six of the first seven; or

eNB carry DMRS in the second and third OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high in the order ranked No. 2 and 12, or on the 1, 2, 11 and 12 of the carrier; or

eNB carry DMRS in the first 2, 3, 6, and 7 OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high order in the second row and 12, or 1, 2, 11 and 12 of the carrier; or eNB carry DMRS in the second and third OFDM symbols TRG after the end of the need to carry DMRS for each OFDM symbol within the DMRS PRB carried in accordance with the frequency of each carrier from low to high in order to the 2, 7 and 12, or on the 1, 2, 6, 7, 11 and 12 of the carrier; or

eNB carry DMRS in the first 2, 3, 6, and 7 OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high order on the second row, 7, and 12, or 1, 2, 6, 7, 11 and 12 of the carrier.

The transmit module, use or carry a CRS DMRS carrier transmits the data signal and / or control signals to the RN.

The filling module signal, when transmitting data on a carrier signal to the RN and / or control signals carried CRS, after the end of the first TRG 1, 4, 5 and 8 orthogonal frequency division multiplexing carry CRS within OFDM symbol, in the need to carry a CRS for each OFDM symbol, carrying the CRS in accordance with PRB in each carrier frequency from low to high order in the first row 1, 4, 7 and 10 of the carrier;

Transmitting data on a carrier signal and / or control signals to the RN when carrying DMRS, filling module carrying the signal DMRS in the second and third OFDM symbols after the end of the TRG, you need to bring in each OFDM symbol DMRS will DMRS PRB carried in accordance with the frequency of each carrier from low to high order came in the No. 7 or No. 6 and 7 of the carrier; or

Filling DMRS signal module carried in the first 2, 3, 6, and 7 OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high the order came in the No. 7 or No. 6 and 7 of the carrier; or

Filling DMRS signal module carried in the second and third OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high order row 2 and 12, or the first carrier 2, 11 and 12 on; or

Filling DMRS signal module carried in the first 2, 3, 6, and 7 OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high the order came in the second and 12, or on the 1, 2, 11 and 12 of the carrier; or

Filling DMRS signal module carried in the second and third OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high order row 2, 7 and 12, or 1, 2, 6, 7, 11 and 12 of the carrier; or

Filling DMRS signal module carried in the first 2, 3, 6, and 7 OFDM symbols after the end of the TRG in the need to carry a DMRS for each OFDM symbol, will be carried in accordance with PRB DMRS of each carrier frequency from low to high the order came in the first 2, 7 and 12, or 1, 2, 6, 7, 11 and 12 of the carrier.

The signal demodulation module, according to the CRS or DMRS receiving the data sent to the eNB signals and / or control signal is demodulated.

The RTG occupied PRB pair in chronological order from the first order of priority after the first 14 OFDM symbols.

The receiving module, after the end of the first TRG 1, 4, 5, and 8 in the orthogonal frequency division multiplexing OFDM symbol, PRB in accordance with the frequency of each carrier from low to high in order to the 1, 4 , CRS received on 7 and 10 of the carrier; or

In the second and third OFDM symbols after TRG end, receiving DMRS in accordance PRB frequency of each carrier from low to high in the order ranked No. 7 or No. 6 and No. 7 of the carrier; or

During the first 2, 3, 6, and 7 OFDM symbols after TRG end, in accordance with PRB frequency of each carrier from low to high in the order ranked No. 7 or No. 6 and No. 7 on a carrier receiving DMRS; or

In the second and third OFDM symbols after TRG end, in accordance with PRB frequency of each carrier from low to high in order to the 2 and 12, or 1, 2, 11 and 12 of the carrier receiving DMRS; or

During the first 2, 3, 6, and 7 OFDM symbols after TRG end, in accordance with PRB frequency of each carrier from low to high in order to the 2 and 12, or 1, 2, 11 and 12 receiving DMRS position on a carrier; or

In the second and third OFDM symbols after TRG end, in accordance with PRB frequency of each carrier from low to high in order to the 2, 7 and 12, or 1, 2, 6, 7, 11 and on 12 carriers received DMRS; or within the first 2, 3, 6, and 7 OFDM symbols after TRG end, in accordance with PRB frequency of each carrier from low to high in order to the 2, 7, and 12, or 1, 2, 6,