Method and device for transmitting signals in a wireless communication system, receiving device for receiving signals in a wireless communication system, with a special frame structure

A transmission device configured to transmit signals in a wireless communication system, wherein said signals are transmitted in consecutive frames, each frame having a preamble section with preamble information, comprising:

• a narrow beam antenna configured to steer an antenna beam to different positions, each of said different positions corresponding to one of a number of different transmission paths from said transmitting device to a receiving device,
• a steering unit configured to steer said antenna beam to different positions,
• a preamble generating unit configured to generate preamble sections including preamble information,
• a control unit configured to control the transmission of a first preamble section including preamble information enabling the estimation of a channel quality of a current transmission path while said antenna beam is in a current position corresponding to said current transmission path, and further configured to control the transmission of a second preamble section including preamble information enabling the estimation of a channel quality of a candidate transmission path after said antenna beam has been steered to a different position corresponding to said candidate transmission path, to control the transmission of signals in which said first and said second preamble section are transmitted in different frames, and to vary the number of transmitted frames including a second preamble section in relation to the number of transmitted frames including a first preamble section depending on a detected movement information in relation to the transmission and/or receiving device.

A receiving device configured to receive signals in a wireless communication system, wherein said signals are transmitted and received in consecutive frames, each frame having a preamble section with preamble information, comprising

• a narrow beam antenna configured to steer an antenna beam to different positions, each of said different positions corresponding to one of a number of different transmission paths from a transmitting device to said receiving device;
• a steering unit configured to steer said antenna beam to different positions;
• channel estimation unit configured to estimate a channel quality on the basis of received preamble information;
• control unit configured to control the reception of a first preamble section including preamble information enabling the estimation of a channel quality of a current transmission path while said antenna beam is in a current position corresponding to said current transmission path, to control the reception of a second preamble section including preamble information enabling the estimation of a channel quality of a candidate transmission path after said antenna beam has been steered to a different position corresponding to said candidate transmission path to control the reception of signals in which said first and said second preamble section are transmitted in different frames, and to control the reception of signals in which the number of transmitted frames including a second preamble section in relation to the number of transmitted frames including a first preamble section is varied depending on a detected movement information in relation to the first and/or the second communication device.

A method for transmitting signals in a wireless communication system, in which signals are transmitted from a first communication device to a second communication device, said signals being transmitted in consecutive frames, each frame having a preamble section including preamble information, at least one of said first and said second communication devices having a narrow beam antenna which is adapted to be steered to different positions, each of said different positions corresponding to one of a number of different transmission paths from said first to said second communication device, the method comprising:

• transmitting and receiving a first preamble section including preamble information;
• enabling the estimation of a channel quality of a current transmission path, while said narrow beam antenna is in a current position corresponding to said current transmission path;
• steering said narrow beam antenna from said current position to a different position corresponding to a candidate transmission path;
• and
• transmitting and receiving a second preamble section including preamble information enabling the estimation of a channel quality of said candidate transmission path while said narrow beam antenna is in said different position.

A transmission device for transmitting signals in a wireless communication system, wherein said signals are transmitted in a consecutive frames, each frame having a preamble section with preamble information, comprising:

• a narrow beam antenna configured to be steered to different positions, each of said different positions corresponding to one of a number of different transmission paths from said transmitting device to a receiving device;
• a steering unit configured to steer said narrow beam antenna to different positions;
• a preamble generating unit configured to generate preamble sections including preamble information;
• and
• a control unit configured to control the transmission of a first preamble section including preamble information enabling the estimation of a channel quality of a current transmission path while said narrow beam antenna is in a current position corresponding to said current transmission path, and further configured to control the transmission of a second preamble section including preamble information enabling the estimation of a channel quality of a candidate transmission path after said narrow beam antenna has been steered to a different position corresponding to said candidate transmission path.

A receiving device configured to receive signals in a wireless communication system, wherein said signals are transmitted and received in a consecutive frames, each frame having a preamble section with preamble information, comprising:

• a narrow beam antenna configured to be steered to different positions, each of said different positions corresponding to one of a number of different transmission paths from transmitting device to said receiving device;
• a steering unit configured to steer said narrow beam antenna to different positions;
• a channel estimation unit configured to estimate a channel quality on the basis of received preamble information;
• and
• a control unit configured to control the reception of a first preamble section including preamble information enabling the estimation of a channel quality of a current transmission path while said narrow beam antenna is in a current position corresponding to said current transmission path, and further configured to control the reception of a second preamble section including preamble information enabling the estimation of a channel quality of a candidate transmission path after said narrow beam antenna has been steered to a different position corresponding to said candidate transmission path.