Mitigation of control channel interference
First Claim
Patent Images
1. A primary station comprising:
- a processor of the primary station allowing a transmitter of the primary station to transmit through an array of antennas, control data in a signal to a secondary station according to at least one of;
a first subset of a set of resources, a search space, and a spreading code, or any combination thereof,while a further processor of a further primary station allows a further transmitter of the further primary station to transmit through an array of antennas further control data in a further signal to a further secondary station using a further subset of the same set of resources, at a time at least partially overlapping a time that the control data is being transmitted, resulting in at least a partially simultaneous transmissions of the control data with the further control data,wherein the first subset of the set of resources is sent from the primary station orthogonal to the further subset of resources being sent from the further primary station.
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Abstract
The present invention relates to a method for operating a network comprising a first primary station and a second primary station, wherein the first primary station serves a first cell including at least one first secondary station communicating with the first primary station and wherein the second primary station serves a second cell including at least one second secondary station communicating with the second primary station,
the method comprising the steps of
- (a) the first primary station and the second primary station transmitting payloads in a synchronous manner on at least one set of resources,
- (b) the first and the second primary stations transmitting control data on the at least one set of resources respectively to the first secondary station and to the second secondary station, wherein the method further comprises (c) at least the first primary station rendering the transmission of control data to the first secondary station orthogonal to the transmission of control data from the second primary station.
15 Citations
85 Claims
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1. A primary station comprising:
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a processor of the primary station allowing a transmitter of the primary station to transmit through an array of antennas, control data in a signal to a secondary station according to at least one of;
a first subset of a set of resources, a search space, and a spreading code, or any combination thereof,while a further processor of a further primary station allows a further transmitter of the further primary station to transmit through an array of antennas further control data in a further signal to a further secondary station using a further subset of the same set of resources, at a time at least partially overlapping a time that the control data is being transmitted, resulting in at least a partially simultaneous transmissions of the control data with the further control data, wherein the first subset of the set of resources is sent from the primary station orthogonal to the further subset of resources being sent from the further primary station. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A primary station comprising:
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a processor of the primary station configured to allow a transmitter of the primary station to transmit control data in a signal using a subset of a set of resources to a secondary station, while a further processor of a further primary station is configured to allow a further transmitter of the further primary station to transmit further control data in a further signal using a further subset of the same set of resources to a further secondary station at a time at least partially overlapping with a time that the control data is being transmitted, resulting in at least a partially simultaneous transmission of the control data with the further control data; and the transmitter is configured for arranging the control data transmission to be orthogonal to transmission of the further control data from the further primary station to a further secondary station. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A secondary station comprising:
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a receiver configured to receive control data in a signal from a primary station according to at least one of;
a subset of a set of resources, a search space, and a spreading code, while a further primary station is allowed to transmit further control data in a further signal to a further secondary station, at a time that at least partially overlaps a time that the receiver is receiving transmitted control data, resulting in at least a partially simultaneous transmission of the control data with the further control data, andwherein the receiver is configured to receive the control data signal that is orthogonal to the further signal of the further control data. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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50. A secondary station comprising:
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a receiver configured to receive control data in a signal using a first subset of a set of resources, from a primary station, while a further primary station is allowed to transmit further control data in a further signal to a further secondary station using a further subset of the same set of resources at a time overlapping with a time that the receiver is receiving the control data, resulting in at least a partially simultaneous transmission of the control data with the further control data; and the receiver configured to receive the control data signal that is orthogonal to the further signal of the further control data. - View Dependent Claims (51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. A method for operating a primary station, the method comprising:
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transmitting, via a transmitter, control data in a signal to a secondary station according to at least one of;
a first subset of a set of resources, a search space, and a spreading code, or any combination thereof;while allowing a further transmitter of a further primary station to transmit further control data in a further signal to a further secondary station using a further subset of the same set of resources, at a time at least partially overlapping the a time that the control data is being transmitted, resulting in at least a partially simultaneous transmission of the control data and the further control data, wherein the first subset of the set of resources is sent from the primary station orthogonal to the further subset of resources being sent from the further primary station.
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63. A method of operating a secondary station, the method comprising:
receiving, via a receiver, control data transmissions in a signal from a primary station according to at least one of;
a first subset of a set of resources, a search space, and a spreading code, while a further primary station is allowed to transmit further control data in a further signal, at a time that at least partially overlaps a time that the receiver is receiving the control data, resulting in at least a partially simultaneous transmission of the control data and the further control data, wherein the receiver is configured to receive the control data signal that is orthogonal to the further signal of the further control data.
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64. A non-transitory computer-readable storage-medium having stored thereon instructions that when executed cause processing circuitry of a primary station to:
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transmit, via a transmitter, control data in a signal to a secondary station according to at least one of;
a subset of a set of resources, a search space, and a spreading code, or any combination thereof,while allowing a further transmitter of a further primary station to transmit further control data in a further signal to a further secondary station using a further subset of the same set of resources, at a time at least partially overlapping the time that the control data is being transmitted via the transmitter, resulting in at least a partially simultaneous transmission of the control data with the further control data wherein the first subset of the set of resources is sent from the primary station orthogonal to the further subset of resources being sent from the further primary station.
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65. A non-transitory computer-readable storage-medium having stored thereon instructions that when executed cause processing circuitry of a secondary station to:
receiving via a receiver of the secondary station, control data transmissions in a signal from the primary station according to at least one of;
a first subset of a set of resources, a search space, and a spreading code, or any combination thereof;
while a further primary station is allowed to transmit further control data in a further signal, at a time that at least partially overlaps a time that the receiver is receiving the control data, resulting in at least a partially simultaneous transmission of the control data and the further control data, wherein the receiver is configured to receive the control data signal that is orthogonal to the further signal of the further control data.
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66. A network comprising:
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A primary station configured to communicate with a first secondary station and to communicate with a second secondary station, the primary station including a processor configured to send via a transmitter first control data to the first secondary station in a first subset of a set of resources, and wherein the processor of the primary station is further configured to send via the transmitter second control data to the second secondary station in a second subset of the set of resources, wherein the first subset of resources is sent from the primary station orthogonal to the second subset of resources. - View Dependent Claims (67, 68, 69, 70, 71, 72, 73, 74, 75)
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76. A network comprising:
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a primary station configured to communicate with a first secondary station and to communicate with a second secondary station, the primary station including a processor configured to send via a transmitter first control data to the first secondary station in a first subset of a set of resources, and a further primary station configured to communicate with the first secondary station and to communicate with the second secondary station, the further primary station including a processor configured to send via a transmitter second control data to the second secondary station in a second subset of a set of resources, and wherein the first subset of resources is sent from the primary station to the first secondary station orthogonal to sending the second subset of resources from the further primary station to the second secondary station. - View Dependent Claims (77, 78, 79, 80, 81, 82, 83, 84, 85)
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Specification