摘要:
The present invention addresses method, apparatus and computer program product for handling of secondary scheduling request in carrier aggregation. Thereby, a message comprising a request of radio resources for uplink transmission from the user equipment to a base station is composed, it is determined whether the user equipment is in a carrier aggregation mode in which two or more carriers are aggregated forming one primary cell and at least one secondary cell, the primary cell and at least one secondary cell supporting physical uplink control channel, the message is assigned to a physical uplink control channel, wherein assigning is permitted to the physical uplink control channel of the primary cell and a physical uplink control channel of any of the at least one secondary cell, and transmission of the message is caused using the assigned physical uplink control channel.
摘要:
Improved mechanisms for wireless cellular access using coverage extension techniques are described. A UE needing to use coverage extension to request access to a prospective serving cell detects cells (other than the prospective serving cell) on its frequency, and then investigates each such cell (for example, by attempting to read its system information block and, if the system information block can be read, determining if the cell supports access using coverage extension. If detected cells do not support coverage extension, the UE does not use coverage extension techniques to request access, but if all detected cells support coverage extension, the UE requests access using coverage extension techniques.
摘要:
Methods and apparatus for control of a device with coexisting radios and capable of carrier aggregation are disclosed. A change in the activation status of a secondary cell can be determined where after interference information to be reported is determined in response to the determined change. The determined interference information is compared to interference information reported previously for a similar change, and a decision is made based thereon whether to send the determined interference information. In a network entity interference information received from at least one device is stored. The stored interference information is used in the control when it is determined that no interference information is received subsequent to a new change in the activation status of the secondary cell.
摘要:
The present invention provides methods, apparatuses and a program relating to a signaling framework for assistance information. The present invention includes composing, at a source base station, to which a user equipment is connected, a first signaling message including information whether a target base station, to which handover of the user equipment is to be performed, supports assistance information, and transmitting the first signaling message to the user equipment.
摘要:
There are provided measures for congestion control on a cellular frequency providing broadcast services. Such measures exemplarily comprise removing an entry of a first system information block from a list included in a second system information block to be broadcasted, said first system information block comprising information related to multimedia broadcast and multicast services, said list comprising information related to broadcasted system information elements; prohibiting modification of an information tag included in said second system information block to be broadcasted, said information tag being indicative of a change of system information comprising at least said list; and prohibiting inclusion of a modification indicator in any paging messages to be transmitted, said modification indicator being indicative of said change of said system information.
摘要:
An apparatus and a method is provided, by which data is sent to and/or received from a first network control node and at least one second network control node by a carrier aggregation, uplink scheduling information is established and sending of the uplink scheduling information is managed individually for the first network control node and the at least one second network control node.
摘要:
In a random access procedure, a downlink random access response indicates at least a timing advance for a component carrier or cell (CC/Cell) of a plurality of component carriers or cells, or a group of CCs/Cells, to which the timing advance applies. The eNB or UE then operate their radio on the indicated one CC/Cell synchronous with the timing advance. In various embodiments the random access response may also indicate an uplink resource granted to the user equipment, which lies on that same one or group of CCs/Cells. There may be an explicit indication of a single bit indicating a timing advance group; a CC/Cell/group index whose presence in the response is indicated by a flag bit; a CC/Cell/group index in the response is known from the response's format whether it includes such an index, where the format indication can be via a bit in the response itself or RRC signaling or implicit from the RACH and cross-carrier scheduling being configured.
摘要:
A technique is provided for retransmitting data in a dual connectivity network in which a mobile station (MS) is connected to a first base station (BS) via a first radio link and to a second BS via a second radio link, including sending, by a first protocol entity of the MS, a protocol data unit (PDU) to a first entity of a second protocol of the MS for transmission to the first BS via the first radio link, detecting a trigger condition at the MS associated with the PDU, and re-sending, by the first protocol entity of the MS, the PDU to a second entity of the second protocol of the MS for transmission to the second BS via the second radio link.
摘要:
Various example embodiments are disclosed herein. A technique is provided for controlling a response by a mobile station (MS) to a radio link failure detected by the MS in a dual connectivity wireless network in which the MS is connected to both a master base station (master BS) associated with a primary cell and a secondary base station (secondary BS) associated with a secondary cell. The MS may detect a radio link failure for a radio link between the MS and the secondary BS. In response to detecting the radio link failure, the MS may perform one of several preconfigured responses, or the MS may notify the master BS of the radio link failure, receive an instruction from the master BS, and then perform operations or respond to the radio link failure according to the received instruction.