Abstract
A wireless transmission device of the present invention includes n (where n is an integer of two or more) transmission antennas and a delay imparting section for delaying transmission signals supplied to the n transmission antennas by a maximum delay time (n?1)T or less based on a delay time T dependent upon a communication signal which indicates whether to transmit the transmission signals by way of frequency diversity or multiuser diversity.
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| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G | 04/07/2013 | ISLD-201307-002 | HUAWEI |
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| Not Available | 04/07/2013 | ISLD-201307-002 | HUAWEI |
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| PL2280495T3 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||||
| ----- | ----- | ----- | ----- | ----- |
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Technologies
Signal Processing
Product
Not Available
Use Cases
Wireless communication
Services
Not Available
Claim
1. A multicarrier wireless transmission device the multicarrier wireless transmission device comprising:
a delay imparting section for performing processing for varying delay times applied to the transmission signals supplied to n transmission antennas with respect to users or physical channels, wherein n is an integer of a value of two or more;
a multicarrier transmission device equipped with the n transmission antennas, wherein the multicarrier transmission device performs transmission using different transmission diversities with respect to the users or the physical channels;
a plurality of user-dependent signal processors for performing modulation processing in units of the transmission signals with respect to the users;
a sub-carrier assignment section for assigning sub-carriers to signals output from the user-dependent signal processors in accordance with a sub-carrier assignment signal; and
a plurality of antenna-dependent signal processors for performing signal processing on signals output from the sub-carrier assignment section in units of the n transmission antennas,
wherein the delay imparting section includes
a phase rotation section for applying prescribed values of a phase rotation to signals output from the sub-carrier assignment section with respect to the users or the physical channels and with respect to the sub-carriers, and
an inverse fast Fourier transform (IFFT) section for performing frequency-time conversion.', 'a delay imparting section for performing processing for varying delay times applied to the transmission signals supplied to n transmission antennas with respect to users or physical channels, wherein n is an integer of a value of two or more;', 'a multicarrier transmission device equipped with the n transmission antennas, wherein the multicarrier transmission device performs transmission using different transmission diversities with respect to the users or the physical channels;', 'a plurality of user-dependent signal processors for performing modulation processing in units of the transmission signals with respect to the users;', 'a sub-carrier assignment section for assigning sub-carriers to signals output from the user-dependent signal processors in accordance with a sub-carrier assignment signal; and', 'a plurality of antenna-dependent signal processors for performing signal processing on signals output from the sub-carrier assignment section in units of the n transmission antennas,', 'wherein the delay imparting section includes', 'a phase rotation section for applying prescribed values of a phase rotation to signals output from the sub-carrier assignment section with respect to the users or the physical channels and with respect to the sub-carriers, and', 'an inverse fast Fourier transform (IFFT) section for performing frequency-time conversion.
2. A wireless transmission method in a multicarrier transmission device wherein the multicarrier transmission device is equipped with n transmission antennas, where n is an integer of a value of two or more, the wireless transmission method comprising:
varying delay times applied to the transmission signals supplied to the n transmission antennas with respect to users or physical channels;
performing transmission using different transmission diversities with respect to the users or the physical channels;
performing modulation processing in units of the transmission signals with respect to the users and outputting modulated signals;
assigning sub-carriers to said outputted modulated signals in accordance with a sub-carrier assignment signal and outputting assigned signals; and
performing signal processing on said outputted assigned signals in units of the n transmission antennas, wherein the varying of the delay times includes
applying prescribed values of a phase rotation to said outputted assigned signals with respect to the users or the physical channels and with respect to the sub-carriers, and
performing frequency-time conversion.', 'varying delay times applied to the transmission signals supplied to the n transmission antennas with respect to users or physical channels;', 'performing transmission using different transmission diversities with respect to the users or the physical channels;', 'performing modulation processing in units of the transmission signals with respect to the users and outputting modulated signals;', 'assigning sub-carriers to said outputted modulated signals in accordance with a sub-carrier assignment signal and outputting assigned signals; and', 'performing signal processing on said outputted assigned signals in units of the n transmission antennas, wherein the varying of the delay times includes', 'applying prescribed values of a phase rotation to said outputted assigned signals with respect to the users or the physical channels and with respect to the sub-carriers, and', 'performing frequency-time conversion.']
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.
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