Transmitting device and method for transmitting signals in a wireless communication system, receiving device and method for receiving signals in a wireless communication system

• US 8,345,532 B2
• Filed: 03/03/2008
• Issued: 01/01/2013
• Est. Priority Date: 03/16/2007
• Status: Active Grant

• Current Assignee: Sony Deutschland GmbH (Sony Group Corp.)
• Original Assignee: Sony Deutschland GmbH (Sony Group Corp.)
• Inventors: Stirling-Gallacher, Richard, Wang, Zhaocheng
• Primary Examiner(s): Ajibade Akonai, Olumide T
• Assistant Examiner(s): Peaches, Randy
• Application Number:
  US12/041,181
• Publication Number:
  US 20080227497A1
• Time in Patent Office: 1,765 Days
• Field of Search: 375/206, 375/208, 375/444, 375/355
• US Class Current: 370/208
• CPC Class Codes: H04B 1/0475 with means for limiting noise, interference or distortion H04B1/0483 takes precedence
• CPC Class Codes: H04B 7/0617 for beam forming
• CPC Class Codes: H04B 7/0669 using different channel coding between antennas space-time coding H04L1/0618
• CPC Class Codes: H04B 7/0671 using different delays between antennas
• CPC Class Codes: H04B 7/068 using space frequency diversity space-frequency coding H04L1/0606
• CPC Class Codes: H04B 7/0695 using beam selection
• CPC Class Codes: H04B 7/0697 using spatial multiplexing
• CPC Class Codes: H04B 7/086 using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Abstract

A transmitting device for transmitting signals in a wireless communication system, includes at least two beam antennas, each beam antenna having a main beaming direction at a different angle and generating means for generating a number of signal streams to be transmitted within the wireless communication system, whereby the signal to be transmitted is split into these different streams and said number of signal streams corresponds to the number of beam antennas, whereby each signal stream is transmitted via a different beam antenna. Transmitting device for transmitting signals in a wireless communication system, comprising at least two beam antennas, each beam antenna having a main beaming direction at a different angle and generating means for generating a number of signal streams to be transmitted within the wireless communication system, whereby each of these signal streams comprises a different version of the data, and said number of signal streams corresponds to the number of beam antennas, whereby each signal stream is transmitted via a different beam antenna.

Claims

1. A transmitting device for transmitting signals in a wireless communication system, comprising:

at least two beam antennas, each beam antenna having a main beaming direction at a different angle; and

a generator configured to generate a number of signal streams to be transmitted over a wireless communication channel within the wireless communication system, wherein a signal to be transmitted is split into the number of signal streams and said number of signal streams corresponds to a number of said at least two beam antennas,

wherein each signal stream is transmitted over the wireless communication channel via a different beam antenna of the at least two beam antennas; and

the split signal streams are mapped onto different sub-carriers using regular interlaced splitting.

2. A transmitting device for transmitting signals in a wireless communication system, comprising:

at least two beam antennas, each beam antenna having a main beaming direction at a different angle; and

a generator configured to generate a number of signal streams to be transmitted over a wireless communication channel within the wireless communication system, wherein a signal to be transmitted is split into the number of signal streams and said number of signal streams corresponds to a number of said at least two beam antennas,

wherein each signal stream is transmitted over the wireless communication channel via a different beam antenna of the at least two beam antennas; and

for each of the split signal streams a different modulation scheme is used, and adaptive sub-carrier loading is used.

3. A method for transmitting signals in a wireless communication system, comprising:

providing at least two beams antennas, respective of said at least two beam antennas having a main beaming direction at a different angle;

generating a number of signals streams to be transmitted over a wireless communication channel within the wireless communication system such that a signal to be transmitted is split into the number of signal streams and said number of signal streams corresponds in number to the at least two beam antennas; and

transmitting each of said number of signal streams over the wireless communication channel via a different beam antenna of said at least two beam antennas, wherein the split signal streams are mapped onto different sub-carriers using regular interlaced splitting.

4. A method for transmitting signals in a wireless communication system, comprising:

providing at least two beams antennas, respective of said at least two beam antennas having a main beaming direction at a different angle;

generating a number of signals streams to be transmitted over a wireless communication channel within the wireless communication system such that a signal to be transmitted is split into the number of signal streams and said number of signal streams corresponds in number to the at least two beam antennas; and

transmitting each of said number of signal streams over the wireless communication channel via a different beam antenna of said at least two beam antennas, wherein for each of the split signal streams a different modulation scheme is used, and adaptive sub-carrier loading is used.

5. A receiving device for receiving signals carrying data in a wireless communication system, comprising:

at least two beam antennas, each beam antenna having a main beaming direction at a different angle so that via each beam antenna a different signal stream is received over a wireless communication channel in the wireless communication system, wherein the signal is received in different signal streams; and

a combiner configured to combine the different signal streams received over the wireless communication channel via the different beam antennas into a single signal, wherein the combining of the signal streams is achieved by using regular interlaced splitting.

6. A receiving device for receiving signals carrying data in a wireless communication system, comprising:

at least two beam antennas, each beam antenna having a main beaming direction at a different angle so that via each beam antenna a different signal stream is received over a wireless communication channel in the wireless communication system, wherein the signal is received in different signal streams; and

a combiner configured to combine the different signal streams received over the wireless communication channel via the different beam antennas into a single signal, wherein the combining of the signal streams is achieved by using a different demodulation scheme for each signal stream, and adaptive sub-carrier loading is used.

7. A method for receiving signals carrying data in a wireless communication system, comprising:

providing at least two beam antennas, each beam antenna having a main beaming direction at a different angle, wherein the signal is received in different signal streams;

receiving via each beam antenna over a wireless communication channel a signal stream in the wireless communication system; and

combining respective received signal streams over the wireless communication channel via the different beam antennas into a single signal, wherein the combining of the signal streams is achieved by using regular interlaced splitting.

8. A method for receiving signals carrying data in a wireless communication system, comprising:

providing at least two beam antennas, each beam antenna having a main beaming direction at a different angle, wherein the signal is received in different signal streams;

receiving via each beam antenna over a wireless communication channel a signal stream in the wireless communication system; and

combining respective received signal streams over the wireless communication channel via the different beam antennas into a single signal, wherein the combining of the signal streams is achieved by using a different demodulation scheme for each signal stream, and adaptive sub-carrier loading is used.