Transmission and receiving method in a wireless communication system

A method for receiving data in a wireless communication system, the method comprising:

• receiving at least one communication signal comprising multiplexed modulated data packets;
• de-multiplexing the multiplexed modulated data packets so as to obtain K modulated data packets, wherein the multiplexed modulated data packets comprise j=1 to K packets;
• demodulating and detecting a first modulated data packet so as to obtain a first data packet;
• determining whether the first data packet is a correct data packet by an error detection determination;
• re-modulating the first data packet in order to use the re-modulated first data packet for channel estimation of a second modulated data packet, when the first data packet is correct;
• demodulating and detecting the second modulated data packet so as to obtain a second data packet;
• determining whether the second data packet is a correct data packet by an error detection determination;
• re-modulating the second data packet in order to use the re-modulated data second packet for channel estimation of a third modulated data packet, when the second data packet is correct;
• and
• demodulating, detecting, determining and re-modulating each of the j=3 to K−1 data packets according to the principle described with respect to the modulated data packets for j=1, 2,
• wherein the wireless communication system is a Multi-Carrier Time-frequency Multiplexing (MCTFM) system,
• wherein a plurality of pilot symbols is multiplexed in proximity to modulated symbols of the K modulated data packets,
• wherein at least one pilot symbol and at most BcTc−1 modulated symbols belong to different modulated data packets, and
• wherein Tc is a coherence time and Bc is a coherence bandwidth.

A method for transmitting and receiving data in a wireless communication system, the method comprising:

• receiving, by a transmitter, transmission data;
• dividing, by the transmitter, the received transmission data by the transmitter, into K>1 data streams, where K is a positive integer;
• feeding each data stream, by the transmitter, into its associated parallel processing path so as to obtain K modulated data packets j=1, . . . , K from the parallel processing paths, wherein in each processing path the method further comprises:
• segmenting the data stream;
• encoding the segmented data stream with a first error detection code;
• and
• modulating the error detection encoded segmented data stream so as to obtain a modulated data packet j comprising a plurality of modulated symbols, wherein the segmented data streams are individually encoded;
• multiplexing, by the transmitter, the K modulated data packets so that at least one modulated symbol of each modulated data packet j are placed in proximity to each other in time and/or frequency;
• and
• transmitting, by the transmitter, the multiplexed modulated data packets over a radio channel of the wireless communication system;
• receiving, by a receiver, at least one communication signal comprising the multiplexed modulated data packets;
• de-multiplexing, by the transmitter, the multiplexed modulated data packets so as to obtain the K modulated data packets, wherein the multiplexed modulated data packets comprise j=1 to K packets;
• de-modulating and detecting the jth modulated data packet so as to obtain the jth data packet;
• checking whether the jth data packet is a correct data packet by an error detection check;
• and
• re-modulating the jth data packet and using at least one of the previously re-modulated jth data packet, for j =2 to K, for channel estimation, demodulation and detection of the (j+1)th modulated data packet when the jth data packet is correct,
• wherein the wireless communication system is a Multi-Carrier Time-frequency Multiplexing (MCTFM) system,
• wherein a plurality of pilot symbols is multiplexed in proximity to the modulated symbols of the K modulated data packets,
• wherein at least one pilot symbol and at most BcTc−1 modulated symbols belong to different modulated data packets, and
• wherein Tc is a coherence time and Bc is a coherence bandwidth.

A transmission device for communication in a wireless communication system, the transmission device comprising a processor configured to:

• receive transmission data;
• divide the received transmission data into K>1 data streams, where K is a positive integer;
• feed each data stream into its associated parallel processing path so as to obtain K modulated data packets j=1, . . . , K from the parallel processing paths, wherein in each processing path the device is further configured to:
• segment the data stream;
• encode the segmented data stream with a first error detection code;
• and
• modulate the error detection encoded segmented data stream so as to obtain a modulated data packet j comprising a plurality of modulated symbols, wherein the segmented data streams are individually encoded;
• multiplex the K modulated data packets so that at least one modulated symbol of each modulated data packet j are placed in proximity to each other in time and/or frequency;
• and
• transmit the multiplexed modulated data packets over a radio channel of the wireless communication system,
• wherein the wireless communication system is a Multi-Carrier Time-frequency Multiplexing (MCTFM) system,
• wherein a plurality of pilot symbols is multiplexed in proximity to the modulated symbols of the K modulated data packets,
• wherein at least one pilot symbol and at most BcTc−1 modulated symbols belong to different modulated data packets, and
• wherein Tc is a coherence time and Bc is a coherence bandwidth.

A receiving device arranged for communication in a wireless communication system, the receiving device comprising a processor configured to:

• receive at least one communication signal comprising multiplexed modulated data packets;
• de-multiplex the multiplexed modulated data packets so as to obtain K modulated data packets, wherein the multiplexed modulated data packets comprise j=1 to K packets;
• demodulate and detect a first modulated data packet so as to obtain a first data packet;
• check whether the first data packet is a correct data packet by an error detection check;
• re-modulate the first data packet in order to use the re-modulated first data packet for channel estimation of a second modulated data packet when the first data packet is correct;
• demodulate and detect the second modulated data packet so as to obtain a second data packet;
• determine whether the second data packet is a correct data packet by an error detection determination;
• re-modulate the second data packet in order to use the re-modulated second data packet for channel estimation of a third modulated data packet, when the second data packet is correct;
• and
• demodulate, detect, determine and re-modulate each of the j=3 to K−1 data packets according to the principle described with respect to the modulated data packets for j=1, 2,
• wherein a plurality of pilot symbols is multiplexed in proximity to modulated symbols of the K modulated data packets,
• wherein at least one pilot symbol and at most BcTc−1 modulated symbols belong to different modulated data packets, and
• wherein Tc is a coherence time and Bc is a coherence bandwidth.