TRANSMISSION APPARATUS AND COMMUNICATION METHOD
First Claim
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1. A transmission apparatus which multiplexes control channels for multiple reception apparatuses into an OFDM symbol at the same timing in OFDM downlink radio access, comprising:
- a pattern generating unit configured to generate a frequency mapping pattern for changing subcarriers where the control channels for the multiple reception apparatuses are mapped on a transmission apparatus to transmission apparatus basis, the frequency mapping pattern being specific to the transmission apparatus; and
a frequency allocating unit configured to allocate subcarriers to the control channels for the multiple reception apparatuses according to the frequency mapping pattern.
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Abstract
A transmission apparatus which multiplexes control channels for multiple reception apparatuses into an OFDM symbol at the same timing in OFDM downlink radio access includes a pattern generating unit configured to generate a frequency mapping pattern which is specific to the transmission apparatus; and a frequency allocating unit configured to allocate subcarriers to the control channels for the multiple reception apparatuses according to the frequency mapping pattern.
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Citations
11 Claims
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1. A transmission apparatus which multiplexes control channels for multiple reception apparatuses into an OFDM symbol at the same timing in OFDM downlink radio access, comprising:
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a pattern generating unit configured to generate a frequency mapping pattern for changing subcarriers where the control channels for the multiple reception apparatuses are mapped on a transmission apparatus to transmission apparatus basis, the frequency mapping pattern being specific to the transmission apparatus; and a frequency allocating unit configured to allocate subcarriers to the control channels for the multiple reception apparatuses according to the frequency mapping pattern. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A communication method in which a transmission apparatus multiplexes control channels for multiple reception apparatuses into an OFDM symbol at the same timing in OFDM downlink radio access, comprising the steps of:
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generating a frequency mapping pattern for changing subcarriers where the control channels for the multiple reception apparatuses are mapped on a transmission apparatus to transmission apparatus basis, the frequency mapping pattern being specific to the transmission apparatus; allocating the control channels for the multiple reception apparatuses to subcarriers according to the frequency mapping pattern; and controlling transmission power for the subcarriers.
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11. A transmission apparatus which multiplexes control channels for multiple reception apparatuses into an OFDM symbol at the same timing in OFDM downlink radio access, comprising:
a frequency allocating unit configured to allocate subcarriers to the control channels for the multiple reception apparatuses according to a frequency mapping pattern for changing subcarriers where the control channels for the multiple reception apparatuses are mapped on a transmission apparatus to transmission apparatus basis, the frequency mapping pattern being specific to the transmission apparatus.
Specification