Abstract:
The invention relates to a method for interference reduction in a radio communication system. The method (MET1) contains the steps of receiving (M1/6) at a processing unit (PU) from at least one mobile station (MS1) indications of radiation beams (B1, B2, B3, B4) that are transmitted by a first base station (BS1) of the radio communication system and that fulfill or exceed a predefined quality criterion at the at least one mobile station, when the at least one mobile station (MS1) is attached to the first base station (BS1) and when the at least one mobile station (MS1) is located within a first overlapping coverage area of the first base station (BS1) and of a second base station (BS2) of the radio communication system, and determining (M1/10) at the processing unit (PU) at least one radio resource to be unused or to be transmitted with a limited transmission power by the first base station (BS1) for at least one of the radiation beams (B1, B2, b3, B4) based on the received indications for serving the at least one mobile station (MS1) or at least one further mobile station (MS2) by the second base station (BS2) with the at least one radio resource. The invention further relates to a processing unit (PU) and to a wireless access network node, which contains the processing unit (PU).
Abstract:
Embodiments relate to an apparatus, a method and a computer program for a base station transceiver (100) for a mobile communication system (300). The base station transceiver (100) is operable in a coverage area (205) of another base station transceiver (200). The other base station transceiver (200) is operable to transmit radio signals in a repetitive sequence of radio frames, wherein in at least one of the radio frames in the sequence the other base station transceiver (200) is operable to transmit with a reduced transmission power or to suspend transmission compared to at least one other of the radio frames in the sequence. The apparatus (10) comprises an interface (12) operable to receive sequence information on the at least one of the radio frames in the sequence, during which the other base station transceiver (200) is operable to transmit with the reduced transmission power or to suspend transmission compared to the at least one other of the radio frames in the sequence. The apparatus (10) further comprises a controller (14) operable to determine configuration information on a measurement configuration for a mobile transceiver (400) associated to the base station transceiver (100), wherein the configuration information comprises information on a signal quality measurement at the mobile transceiver (400) on radio signals received from the base station transceiver (100). The signal quality measurement is performed during a time interval with a duration being predetermined by the mobile transceiver (400). The controller (14) is further operable to determine duration information on the duration of the time interval and the controller (14) is operable to determine the configuration information based on the sequence information and the duration information.
Abstract:
Embodiments relate to an apparatus, a method and a computer program for a base station transceiver (100) for a mobile communication system (300). The base station transceiver (100) is operable in a coverage area (205) of another base station transceiver (200). The other base station transceiver (200) is operable to transmit radio signals in a repetitive sequence of radio frames, wherein in at least one of the radio frames in the sequence the other base station transceiver (200) is operable to transmit with a reduced transmission power or to suspend transmission compared to at least one other of the radio frames in the sequence. The apparatus (10) comprises an interface (12) operable to receive information on the at least one of the radio frames in the sequence and a controller (14) operable to determine information on a measurement configuration for a mobile transceiver (400) associated to the base station transceiver (100) based on the received information. The information on the measurement configuration comprises information on a periodic signal quality measurement at the mobile transceiver (400) on radio signals received from the base station transceiver (100) during a time interval. The information on the measurement configuration comprises information positioning the time interval in the sequence to the same position for at least two subsequent signal quality measurements.
Abstract:
Embodiments relate to an apparatus, a method and a computer program for a base station transceiver (100) for a mobile communication system (300). The base station transceiver (100) is operable in a coverage area (205) of another base station transceiver (200). The other base station transceiver (200) is operable to transmit radio signals in a repetitive sequence of radio frames, wherein in at least one of the radio frames in the sequence the other base station transceiver (200) is operable to transmit with a reduced transmission power or to suspend transmission compared to at least one other of the radio frames in the sequence. The apparatus (10) comprises an interface (12) operable to receive information on the at least one of the radio frames in the sequence and a controller (14) operable to determine information on a measurement configuration for a mobile transceiver (400) associated to the base station transceiver (100) based on the received information. The information on the measurement configuration comprises information on a periodic signal quality measurement at the mobile transceiver (400) on radio signals received from the base station transceiver (100) during a time interval. The information on the measurement configuration comprises information positioning the time interval in the sequence to the same position for at least two subsequent signal quality measurements.
Abstract:
The invention concerns a method for performing a handover of a user terminal (UE_A_MA) in a wireless communication network (CN), wherein a permission for performing a handover from a base station of a first operator (MA) to a base station of a second operator (PB, MB) depends on at which of said first and second operator said user terminal (UE_A_MA) is registered, and a base station (MA) and a user terminal (UE_A_MA) therefor.
Abstract:
The present invention relates to a method in a wireless communication system including at least a first network (103), a second network (101) and a third network (105), wherein the second network (101) provides a first pattern indicating a first set of time periods (201) during which the data transmissions on the second communication channel is limited while the data transmissions on the first communication channel is scheduled, the method comprising: receiving, by the third network (105), information indicating the first pattern; and scheduling, by the third network (105), data transmissions on a third communication channel in the third network (105) based on the first pattern.
Abstract:
The invention concerns a method for coordination of transmission from a first and at least one further base station (M1, P1), wherein said first base station (M1, P1) evaluates the usage by said at least one further base station (M1, P1) of at least one subframe, and said first base station (M1, P1) uses said at least one subframe for transmission dependent on the evaluated usage by said at least one further base station (M1, P1) of said at least one subframe, and a base station therefore.
Abstract:
A method for interference reduction in a radio communication system is disclosed. The method includes receiving from a mobile station indications of radiation beams that are transmitted by a first base station of the radio communication system and that fulfill or exceed a predefined quality criterion at the mobile station, when the mobile station is attached to the first base station and when the mobile station is located within a first overlapping coverage area of the first base station and of a second base station of the radio communication system, and determining at least one radio resource to be unused or to be transmitted with a limited transmission power by the first base station for at least one of the radiation beams based on the received indications for serving the mobile station or a further mobile station by the second base station with the at least one radio resource.
Abstract:
Embodiments provide an apparatus, a method and a computer program for scheduling a data transmission. The apparatus 10 is operable for scheduling data transmissions to a mobile transceiver in a mobile communication system. The apparatus 10 comprises means for determining 12 a delay between a transmission of a first data packet and a transmission of a next data packet to the mobile transceiver, the delay depending on an acknowledgement packet received from the mobile transceiver for the first data packet. The apparatus 10 further comprises means for scheduling 14 data transmissions to the mobile transceiver based on the delay.
Abstract:
Embodiments relate to an apparatus, a method and a computer program for a base station transceiver (100) for a mobile communication system (300). The base station transceiver (100) is operable in a coverage area (205) of another base station transceiver (200). The other base station transceiver (200) is operable to transmit radio signals in a repetitive sequence of radio frames, wherein in at least one of the radio frames in the sequence the other base station transceiver (200) is operable to transmit with a reduced transmission power or to suspend transmission compared to at least one other of the radio frames in the sequence. The apparatus (10) comprises an interface (12) operable to receive sequence information on the at least one of the radio frames in the sequence, during which the other base station transceiver (200) is operable to transmit with the reduced transmission power or to suspend transmission compared to the at least one other of the radio frames in the sequence. The apparatus (10) further comprises a controller (14) operable to determine configuration information on a measurement configuration for a mobile transceiver (400) associated to the base station transceiver (100), wherein the configuration information comprises information on a signal quality measurement at the mobile transceiver (400) on radio signals received from the base station transceiver (100). The signal quality measurement is performed during a time interval with a duration being predetermined by the mobile transceiver (400). The controller (14) is further operable to determine duration information on the duration of the time interval and the controller (14) is operable to determine the configuration information based on the sequence information and the duration information.