Abstract: The teachings presents a method 10 performed in a network node 2, the network node 2 controlling a first and a second antenna point 3, 4. The network node 2 uses the same random access resources for the first and the second antenna points 3, 4. The method 10 comprises: detecting 11 a specific random access preamble received on a random access resource at the first antenna point 3 and on the same random access resource at the second antenna point 4; and scheduling 12 a transmission of a random access response to the random access preamble received at the first antenna point 3 and a transmission of a random access response to the random access preamble received at the second antenna point 4, the random access responses being scheduled separated in time and/or space. The teachings also presents corresponding devices.

Abstract: The present disclosure relates to a method performed in a network node (10) of a cellular radio communication system (1) for facilitating load sharing between a serving cell (2) and a neighbouring cell (3) of the cellular radio communication system. The serving cell serves a plurality of radio devices (4). The method comprises defining a first group of radio devices, which first group is a sub-group of the plurality of radio devices served by the serving cell. The method also comprises associating the first group of radio devices with a load sharing boundary (5) to a load sharing zone (6) between the serving cell and the neighbouring cell, beyond which load sharing boundary any of the radio devices in the first group is regarded as being able to be handed over to the neighbouring cell. The method also comprises gathering statistics relating to connection failures experienced by the radio devices in the first group. The method also comprises adjusting the load sharing boundary based on the gathered statistics.

Abstract: The invention relates to a method for service aware scheduling of wireless resources in a wireless network. According to the inventive method, a service request for service delivery of a service type is received (51). A performance to value relationship for the service type is determined (52) and approximated (53) with a scheduling weight function associated with the service type. Previous performance for service delivery related to this service request is evaluated and approximated with a performance estimate (54). A scheduling weight is determined (55) by introducing the performance estimate in the scheduling weight function. Resource scheduling is performed (58) following a step of comparing (56) scheduling weights for on-going service requests. The invention also includes a network node and a system for service aware scheduling of wireless resources in a wireless network.

Abstract: The present disclosure relates to a base-station-to-base-station (BS-BS) gateway in a Long Term Evolution (LTE) cellular communication network and methods of operation thereof. In one embodiment, the BS-BS gateway receives information from a first base station which includes a hostname and a network address of the first base station. The BS-BS gateway then stores a mapping between the hostname and the network address. Thereafter, in one embodiment, the BS-BS gateway enables a second base station to address messages to the first base station using the hostname of the first base station. In this manner, changes in the network address of the first base station will not affect the ability of the second base station to address messages to the first base station. In some embodiments, the first base station is a low-power base station (LP-BS) and the second base station is a high-power base station (HP-BS).

Abstract: Techniques of barometric calibration of altitude determination by user equipments in a mobile communications network are discussed. In various embodiments, for a plurality of the user equipments, at least one subset of the user equipments is established. Barometric calibration data is determined for the established at least one subset and sent to the user equipments.

Abstract: Methods and devices to dynamically determine suitable cell-specific RoT limits are provided. The suitable cell-specific RoT limits can advantageously be set both with respect to a short time scale and a long time scale In accordance with some embodiments the long term time scale operation is based on UE measurements representative for the intended coverage area of the cell. In accordance with some embodiments the short term time scale operation is based on UE measurements from active User Equipments only. Furthermore, also receiver capabilities of and cell isolation to neighboring base stations can be considered in the long time scale operation.

Abstract: Disclosed is a method in a network node (106) for establishing neighbor cell relations in a wireless network for a source cell (107) served by the network node (106). The method comprises establishing (34) a temporary neighbor cell relation for a received unknown neighbor cell identification; verifying (36) validity of the temporary neighbor cell relation, and establishing (38) a permanent neighbor cell relation based on the established temporary neighbor cell relation, if the temporary neighbor cell relation is found valid, thus avoiding that a false neighbor cell identification results in a faulty permanent neighbor cell relation. Disclosed is also a corresponding apparatus in a network node for establishing neighbor cell relations in a wireless network.

Abstract: Home base station nodes (110) that support multi-carrier operation are disclosed. In some embodiments, two carrier signals are transmitted on different frequencies to one or more user devices that support multi-carrier operation, and different global cell identifiers are broadcast on the two carrier signals. Control messages are sent and received for both of the two carrier signals over a single control-plane interface between the home base station (110) and either a core network node (170) or a home base station gateway (120).

Abstract: A method implemented in a first user equipment (UE) includes generating a first intermediate address. The method further includes transmitting a data packet using the first intermediate address by (i) applying a first address mechanism to a first part of the first intermediate address, and (ii) applying a second address mechanism to a second part of the first intermediate address.

Abstract: Embodiments herein relate to a system for enabling communication in the radio communications network (1). The system comprises the first radio base station (12), the second radio base station (13) and the wireless terminal (10). The first radio base station (12) and the second radio base station (13) are configured to serve the wireless terminal (10) simultaneously. The first radio base station (12) is configured to set up to the wireless terminal (10), a first channel for receiving data over from the wireless terminal (10), and a first assisting channel for transmitting feedback data regarding transmissions over the first channel. The second radio base station (13) is configured to set up to the wireless terminal (10), a second channel for transmitting data over to the wireless terminal (10), and a second assisting channel for receiving, from the wireless terminal (10), feedback data regarding transmissions over the second channel.

Abstract: The invention relates to a method for estimating performance in a mobile network, a method for generating a performance map, use of such methods, a network management system, and a network node in the mobile network for performing the methods. The exemplary method including receiving localized user equipment measurements from a user equipment in the mobile network, including the user equipment measurements in sets and determining at least one antenna characteristics model for the set of user equipment measurements. A path loss model is determined for the user equipment measurements. A localized performance measurement is determined by deducting an estimated antenna impact from the estimated path loss for the user equipment measurement. The operations are repeated to generate a spatial performance map for the mobile network, wherein updates of the spatial performance map are based on further user equipment measurements from the user equipment in the mobile network.

Abstract: A method, in a base station, provide a mechanism for observing random access performance in a Long Term Evolution network. The random access performance is defined by an access delay. The access delay is a delay from the initial random access attempt until access is granted. The method comprises receiving a respective report from a plurality of user equipment, where each of the respective user equipment has performed a random access process and received a random access grant. The reactive report includes access delay related random access information. The method includes determining a respective access delay, based on each of the access delay related random access information. The determined access delays are used for the estimation of access delay statistics. The random access performance is observed based on the access delay statistics.

Abstract: Methods of operating a first base station in a radio access network including a plurality of base stations may be provided. For example, a cell configuration change indicator may be transmitted from the first base station to a second base station responsive to receiving a Radio Link Failure (RLF) Report at the first base station from a wireless terminal or responsive to receiving a Radio Link Failure Indication message from a third base station.

Abstract: A MeNB and a SeNB and respective methods performed thereby for modifying a radio resource of the SeNB with respect to a UE currently being connected to the MeNB are provided. The MeNB and SeNB are operable in a wireless communication system, the wireless communication system being adapted to provide for dual connectivity between the UE and the MeNB, and the UE and the SeNB. By modifying means changing an existing radio resource configuration or adding a RAB between the SeNB and the UE. The method comprises transmitting (2310), to the SeNB, a request for radio resource modification with regards to an SeNB radio resource configuration between the SeNB and the UE, the request comprising a target MeNB radio resource configuration; and receiving (2320), from the SeNB, the SeNB radio resource configuration with regards to the radio resource between the SeNB and the UE.

Abstract: A method in a first radio network node for handling position measurements is provided. The first radio network node receives from a second radio network node a position measurement associated with a user equipment, and a system frame number. The system frame number is associated with the second radio network node. The system frame number is further related to a point in time when the position measurement was performed. The first radio network node calculates a position estimate of the position of the user equipment based on the position measurement. The first radio network node defines a time stamp which is based on the received system frame number. The first radio network node then signals to a third radio network node a positioning response. The positioning response comprises the position estimate and the time stamp.

Abstract: A relay node for a radio access network, arranged to be a relay node between one or more User Equipments in a cell of the radio access network and a base station serving the cell. The relay node is arranged to identify itself as a relay node in the cell in the radio access network, and is also arranged to receive a non-support indication indicating that the base station serving the cell is unable to support a relay node. The relay node is arranged to, upon receiving said non-support indication, attempt to establish itself as a relay node in another cell.

Abstract: The embodiments herein relate to a user equipment (121) and a method performed by the UE (121) for performing preamble transmissions, on a random access channel, to a network node (110). The method comprising: determining (801) a starting subframe for the preamble transmissions based on at least a system frame number (SFN), a number of times (R) the preamble transmissions is to be repeated and a random access channel configuration, and transmitting (802), to the network node (121) the preamble repeatedly starting in the determined starting subframe. The embodiments herein also relate to a network node (110) and a method performed by the network node (110).

Abstract: A Radio Base Station, RBS, and a method performed therein for transmitting time alignment configuration to a UE are provided. The method comprises receiving (220), from a neighbouring RBS, a timing related parameter relevant for the UE as estimated by the neighbouring RBS, and determining (230) a time alignment configuration based on the received timing related parameters. The method further comprises transmitting (240), to the UE, the determined time alignment configuration.

Abstract: In one of its aspects the technology concerns a method of operating a telecommunications system comprising a serving radio base station and a candidate radio base station. The serving radio base station comprises a radio base station to which a wireless mobile station provides measurement reports. The serving radio base station and the candidate radio base station are different with respect to at least one of frequency and radio access technology. The method comprises the serving radio base station allowing the mobile station to obtain information broadcasted by the candidate radio base station. The information is either information for locating Cell Global Identity (CGI) of the candidate radio base station or the Cell Global Identity (CGI) itself of the radio base station. The mobile station obtains the information from the candidate radio base station during at least one reading gap.

Abstract: A method is disclosed that can be performed in at least one network node which provides wireless communications service for user equipment nodes (UEs). The method includes detecting uplink interference at an interfered network node. Responsive to the uplink interference, an uplink transmission having a defined configuration is initiated from a UE, which is served by a serving network node. The uplink signal is detected using the defined configuration at the interfered network node. The UE is identified responsive to the detected uplink signal as being a contributor to the uplink interference. An uplink transmission by the UE and/or by another UE served by the serving network node is controlled to reduce uplink interference.