Apparatus for dimensioning the control channel for transmission efficiency in communications systems
First Claim
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1. An apparatus, comprising:
- circuitry for transmitting control signaling information in a transmission time interval comprising multiple symbols; and
circuitry for transmitting a field with a predetermined modulation and coding scheme in the first of said multiple symbols, wherein said field is transmitted in several non-contiguous sets wherein each set contains multiple sub-carriers that are contiguous.
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Abstract
Embodiments of the invention provide methods for optimizing the spectral efficiency of control channel transmissions carrying scheduling assignments from a serving Node B to user equipments. This is accomplished by adjusting the control channel size between successive transmission time intervals according to the number of user equipments having scheduling assignments and possibly according to the modulation and coding scheme used for the transmission of each scheduling assignments.
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Citations
20 Claims
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1. An apparatus, comprising:
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circuitry for transmitting control signaling information in a transmission time interval comprising multiple symbols; and circuitry for transmitting a field with a predetermined modulation and coding scheme in the first of said multiple symbols, wherein said field is transmitted in several non-contiguous sets wherein each set contains multiple sub-carriers that are contiguous. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus, comprising:
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circuitry for receiving control signaling information in a transmission time interval comprising multiple symbols; and circuitry for receiving a field with a predetermined modulation and coding scheme in a first of said multiple symbols, wherein said field is received in several non-contiguous sets wherein each set contains multiple sub-carriers that are contiguous. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. An apparatus, comprising:
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circuitry for transmitting control signaling information in a transmission time interval comprising multiple symbols; and circuitry for transmitting a field with a modulation and coding scheme in one of said multiple symbols, wherein said field is transmitted in several non-contiguous sets wherein each set contains multiple sub-carriers that are contiguous.
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20. An apparatus, comprising:
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circuitry for receiving control signaling information in a transmission time interval comprising multiple symbols; and circuitry for receiving a field with a modulation and coding scheme in on of said multiple symbols, wherein said field is received in several non-contiguous sets wherein each set contains multiple sub-carriers that are contiguous.
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Specification