Method and apparatus
First Claim
Patent Images
1. A method comprising:
- determining whether a base station is to operate in a first, second or third mode of operation, wherein said first mode of operation is associated with a long active state of the base station, said second mode of operation is associated with a short active state and a short dormancy state of the base station and said third mode of operation is associated with a long dormancy state of the base station;
wherein said first mode of operation comprises a first level of activity in which data and at least one type of reference signal are sent, said second mode of operation comprises a second level of activity that is lower than said first level of activity in which at least one type of the reference signal is sent, and said third mode of operation comprises a third level of activity that is lower than said second level of activity, wherein said data is included in communication of traffic with a user equipment when in said first mode of operation, the user equipment performs data transmission only when the base station is in the long active state, and said at least one type of reference signal comprises a synchronization signal for the user equipment when in said first mode of operation, including one or more of a primary synchronization signal (PSS) used for synchronization with a primary cell (P-cell) or a secondary synchronization signal (SSS) used for synchronization with a secondary cell (S-cell);
applying a first reference signal transmission regime from the base station to the user equipment during the short dormancy state in which a plurality of said at least one type of reference signal are sent less often than when operating at the first level of activity, with no further data transmission being made, when in said second mode of operation, wherein when the user equipment has synchronized with the P-cell or S-cell that includes the base station and the base station is in the short dormancy state, to maintain a connection of the user equipment with the base station within the P-cell or S-cell, there is no data transmission by the user equipment with the base station, but the user equipment performs one or more measurements of the at least one type of reference signal and reports the one or more measurements; and
applying a second reference signal transmission regime in which no data nor reference signals are sent from the base station, when in said third mode of operation.
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Abstract
A method including determining whether an apparatus is to operate in a first, second or third mode of operation; wherein said first mode of operation includes a first level of activity, said second mode of operation includes a second level of activity that is lower than said first level of activity, and said third mode of operation includes a third level of activity that is lower than said second level of activity; applying a first reference signal transmission regime when in said second mode of operation; and applying a second reference signal transmission regime when in said third mode of operation.
9 Citations
18 Claims
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1. A method comprising:
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determining whether a base station is to operate in a first, second or third mode of operation, wherein said first mode of operation is associated with a long active state of the base station, said second mode of operation is associated with a short active state and a short dormancy state of the base station and said third mode of operation is associated with a long dormancy state of the base station; wherein said first mode of operation comprises a first level of activity in which data and at least one type of reference signal are sent, said second mode of operation comprises a second level of activity that is lower than said first level of activity in which at least one type of the reference signal is sent, and said third mode of operation comprises a third level of activity that is lower than said second level of activity, wherein said data is included in communication of traffic with a user equipment when in said first mode of operation, the user equipment performs data transmission only when the base station is in the long active state, and said at least one type of reference signal comprises a synchronization signal for the user equipment when in said first mode of operation, including one or more of a primary synchronization signal (PSS) used for synchronization with a primary cell (P-cell) or a secondary synchronization signal (SSS) used for synchronization with a secondary cell (S-cell); applying a first reference signal transmission regime from the base station to the user equipment during the short dormancy state in which a plurality of said at least one type of reference signal are sent less often than when operating at the first level of activity, with no further data transmission being made, when in said second mode of operation, wherein when the user equipment has synchronized with the P-cell or S-cell that includes the base station and the base station is in the short dormancy state, to maintain a connection of the user equipment with the base station within the P-cell or S-cell, there is no data transmission by the user equipment with the base station, but the user equipment performs one or more measurements of the at least one type of reference signal and reports the one or more measurements; and applying a second reference signal transmission regime in which no data nor reference signals are sent from the base station, when in said third mode of operation. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A base station comprising
at least one processor; -
and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the base station at least to; determine whether to operate the base station in a first, second or third mode of operation, wherein said first mode of operation is associated with a long active state of the base station, said second mode of operation is associated with a short active state and a short dormancy state of the base station, and said third mode of operation is associated with a long dormancy state of the base station, wherein said first mode of operation comprises a first level of activity in which data and at least one type of reference signal are sent, said second mode of operation comprises a second level of activity that is lower than said first level of activity in which at least one type of the reference signal is sent, and said third mode of operation comprises a third level of activity that is lower than said second level of activity, and wherein said data is included in communication of traffic with a user equipment when in said first mode of operation, the user equipment performs data transmission only when the base station is in the long active state, and said at least one type of reference signal comprises a synchronization signal for the user equipment when in said first mode of operation, including one or more of a primary synchronization signal (PSS) used for synchronization with a primary cell (P-cell) or a secondary synchronization signal (SSS) used for synchronization with a secondary cell (S-cell); apply a first reference signal transmission regime from the base station to the user equipment during the short dormancy state in which a plurality of said at least one type of reference signal are sent less often than when operating at the first level of activity, with no further data transmission being made, when in said second mode of operation, wherein when the user equipment has synchronized with the P-cell or S-cell that includes the base station, and the base station is in the short dormancy state, to maintain a connection of the user equipment with the base station within the P-cell or S-cell, there is no data transmission by the user equipment with the base station, but the user equipment performs one or more measurements of the at least one type of reference signal and reports the one or more measurements; and apply a second reference signal transmission regime in which no data nor reference signals are sent from the base station, when in said third mode of operation. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method comprising:
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receiving, at a user equipment, information regarding a level of activity of a base station, wherein said information comprises information regarding one of;
a long dormancy state;
a short dormancy state; and
a long active state of said base station in which data and at least one type of reference signal are sent; andconfiguring a radio resource control, RRC mode of said user equipment with said base station in dependence on said information, wherein said RRC mode comprises a first RRC mode being a RRC connected mode or a second RRC mode being a RRC idle mode, wherein said first RRC mode is associated with the long active state of the base station and the short dormancy state of the base station, said second RRC mode is associated with the long dormancy state of the base station, and wherein said data is included in communication of traffic with the user equipment such that the user equipment performs data transmission only when the base station is in the long active state, and said at least one type of reference signal comprises a synchronization signal for the user equipment when the base station is in the long active state, including one or more of a primary synchronization signal (PSS) used for synchronization with a primary cell (P-cell) or a secondary synchronization signal (SSS) used for synchronization with a secondary cell (S-cell); wherein said first RRC mode comprises a first level of activity and said first RRC mode is configured when said state of said base station is either of said short dormancy state or said long active state, and said second RRC mode comprises a second level of activity that is lower than said first level of activity and said second RRC mode is configured when said state of said base station is said long dormancy state, wherein in said first RRC mode when said state of said base station is said short dormancy state, no further data transmission is received from said base station, wherein in said second RRC mode, no data transmission nor reference signal transmission is received from said base station, and wherein when the user equipment has synchronized with the P-cell or S-cell that includes the base station, and the base station is in the short dormancy state, to maintain a connection of the user equipment with the base station within the P-cell or S-cell, there is no data transmission by the user equipment with the base station, but the user equipment performs one or more measurements of the at least one type of reference signals and reports the one or more measurements. - View Dependent Claims (14)
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15. A user equipment comprising
at least one processor; -
and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the user equipment at least to; receive information regarding a level of activity of a base station, wherein said information comprises information regarding one of;
a long dormancy state;
a short dormancy state; and
n long active state of said base station in which data and at least one type of reference signal are sent; andconfigure a radio resource control, RRC mode of said user equipment with said base station in dependence on said information, wherein said RRC mode comprises a first RRC mode being a RRC connected mode or a second RRC mode being a RRC idle mode, wherein said first RRC mode is associated with the long active state of the base station and the short dormancy state of the base station, said second RRC mode is associated with the long dormancy state of the base station, and wherein said data is included in communication of traffic with the user equipment such that the user equipment performs data transmission only when the base station is in the long active state, and said at least one type of reference signal comprises a synchronization signal for the user equipment when the base station is in the long active state, including one or more of a primary synchronization signal (PSS) used for synchronization with a primary cell (P-cell) or a secondary synchronization signal (SSS) used for synchronization with a secondary cell (S-cell); wherein said first RRC mode comprises a first level of activity and said first RRC mode is configured by said user equipment when said state of said base station is either of said short dormancy state or said long active state, and said second RRC mode comprises a second level of activity that is lower than said first level of activity and said second RRC mode is configured by said user equipment when said state of said base station is said long dormancy state, wherein in said first RRC mode when said state of said base station is said short dormancy state, no further data transmission is received from said base station, wherein in said second RRC mode, no data transmission nor reference signal transmission is received from said base station, and wherein when the user equipment has synchronized with the P-cell or S-cell that includes the base station, and the base station is in the short dormancy state, to maintain a connection of the user equipment with the base station within the P-cell or S-cell, there is no data transmission by the user equipment with the base station, but the user equipment performs one or more measurements of the at least one type of reference signals and reports the one or more measurements. - View Dependent Claims (16)
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17. A computer program embodied in a non-transitory computer-readable medium comprising computer executable instructions which, when run on one or more processors, perform the method comprising:
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receiving, at a user equipment, information regarding a level of activity of a base station, wherein said information comprises information regarding one of;
a long dormancy state;
a short dormancy state; and
a long active state of said base station in which data and at least one type of reference signal are sent; andconfiguring a radio resource control, RRC mode of said user equipment with said base station in dependence on said information, wherein said RRC mode comprises a first RRC mode being a RRC connected mode or a second RRC mode being a RRC idle mode, wherein said first RRC mode is associated with the long active state of the base station and the short dormancy state of the base station, said second RRC mode is associated with the long dormancy state of the base station, and wherein said data is included in communication of traffic with the user equipment such that the user equipment performs data transmission only when the base station is in the long active state, and said at least one type of reference signal comprises a synchronization signal for the user equipment when the base station is in the long active state, including one or more of a primary synchronization signal (PSS) used for synchronization with a primary cell (P-cell) or a secondary synchronization signal (SSS) used for synchronization with a secondary cell (S-cell); wherein said first RRC comprises mode a first level of activity and said first RRC mode is configured when said state of said base station is either of said short dormancy state or said long active state, and said second RRC mode comprises a second level of activity that is lower than said first level of activity and said second RRC mode is configured by said user equipment when said state of said base station is said long dormancy state, wherein in said first RRC mode when said state of said base station is said short dormancy state, no further data transmission is received from said base station, wherein in said second RRC mode, no data transmission nor reference signal transmission is received from said base station, and wherein when the user equipment has synchronized with the P-cell or S-cell that includes the base station, and the base station is in the short dormancy state, to maintain a connection of the user equipment with the base station within the P-cell or S-cell, there is no data transmission by the user equipment with the base station, but the user equipment performs one or more measurements of the at least one type of reference signals and reports the one or more measurements. - View Dependent Claims (18)
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Specification