Abstract: A communication device is described including a transceiver configured to establish a communication connection via a first radio cell and to carry out data communication via the communication connection according to a frame structure including a plurality of frames, a determiner configured to determine timings for a plurality of data communications via a second radio cell, determine whether, for any frame of the plurality of frames, the number of timings falling within the frame is above a predetermined threshold and determine, if for any frame of the plurality of frames, the number of timings falling within the frame is above the predetermined threshold, change the timings such that for no frame of the plurality of frames the number of timings falling within the frame is above the predetermined threshold and a controller configured to control the transceiver to carry out the data communications via the second radio cell according to the timings.

Abstract: Systems and methods are disclosed for monitoring network synchronization. The disclosed embodiments utilize time window snapshots to capture network time information and compare the captured time information against time reference information to determine network time errors. These network time errors can then be analyzed with respect to selected operating parameters and tolerances to determine network synchronization errors and to generate alarms. Certain embodiments are configured to capture time information data and to analyze this captured data locally to determine time error data. Certain other embodiments are configured to utilize multiple capture devices and to transmit time error data to a central snapshot synchronization monitor. The central snapshot synchronization monitor can also communicate control information to the capture devices to control the snapshot time windows.

Abstract: Method and systems are provided for detecting and handling, by a controller device, a loss of control of a playback queue of a zone group of a media playback system. Detection of loss of control of the playback queue of the zone group may involve one or more of determining (i) that the zone group no longer exists, (ii) that a queue identifier is no longer assigned to a playback queue of the zone group, and (iii) that the controller device is no longer in communication with the media playback system, among others. Handling of the loss of control may involve one or more of (i) unsubscribing from messages relating to the zone group, (ii) ceasing to send commands to the zone group, and (iii) updating a user interface to indicate that the controller device no longer has control of the playback queue of the zone group, among others.

Abstract: There is provided a communication control device including an acquisition unit configured to acquire a reception timing at which a second radio communication device receives a downlink signal from a base station performing radio communication with a first radio communication device or the second radio communication device, and a decision unit configured to decide a transmission timing at which the second radio communication device transmits a signal to the first radio communication device through inter-device communication based on the reception timing. The decided transmission timing is a timing later than a timing at which the second radio communication device transmits an uplink signal.

Abstract: In one or more embodiments described herein, there is provided an apparatus including a memory having computer code stored thereon, and a processor. The code is configured to cause the apparatus to: receive partial GNSS data from one or more GNSS satellites relating to the geographical location of a first portable electronic device, wherein the received partial GNSS data is insufficient for determining the geographical location of the first portable electronic device; communicate with one or more further portable electronic devices in proximity to the first portable electronic device to access partial GNSS data relating to the geographical location of the respective further portable electronic devices; and use the accessed partial GNSS data of the further portable electronic devices to supplement the received partial GNSS data of the first portable electronic device to thereby determine the geographical location of the first device.

Abstract: Methods and apparatus for communication comprise aspects that include performing a power management procedure for configuring a subset of network entities to receive one or more of downlink signal measurements and/or one or more uplink signal measurements. The methods and apparatus further comprise aspects that include storing the one or more one or more of downlink signal measurements and/or one or more uplink signal measurements associated with the subset of network entities at a database for managing transmit power at the subset of network entities. Moreover, the methods and apparatus comprise aspects that include adjusting a transmit power value of at least one of the subset of network entities from a first transmit power value to a second transmit power value based at least in part on the one or more of downlink signal measurements and/or one or more uplink signal measurements.

Abstract: The present disclosure provides a method of performing a small cell detection, a small cell base station using the same method, and a mobile electronic device using the same method. The method and the device would perform functions including a user equipment (UE) detecting a discovery signal from a small cell base station (BS) over a schedulable resource in a Macro cell frequency, the user equipment transmitting a detection report to a Macro cell BS in response to detecting the discovery signal, the UE receiving a measurement command to measure a small cell BS in the small cell frequency, and generating and transmitting the measurement report after measuring the small cell BS in the small cell frequency.

Abstract: A method and cell controlling node providing radio communication in a first cell of a communication network, for supporting management of the communication network based on performance related reports sent to a management system. Signal measurement reports are obtained from User Equipments being served by the first cell controlling node, on measurements on signals from cell controlling nodes in neighboring cells. Based on the measurement reports, the cell controlling node identifies a neighboring cell from which signals fulfill a signal condition. A current identity of the identified neighboring cell is then selected as a cell cluster identity, in order to send performance related reports to the management system indicating the cell cluster identity. Cell cluster identity can be shared by cells forming a cell cluster of a specific area, and performance related reports can be more uniform regardless of which cell controlling nodes they are received from.

Abstract: Embodiments herein relate to a method in a first radio base station (12) for enabling detection of a faulty antenna in a radio communications network. The radio communication network comprises the first radio base station (12) providing radio coverage in a first cell (14), and a second radio base station (13) providing radio coverage in a second cell (15). The first radio base station (12) receives, from at least one user equipment in the first cell (14), a first set of measurement reports over a first period of time. At least some measurement reports are indicating a cell relation between the first cell (14) and the second cell (15). The first radio base station (12) further forms reference statistics of the cell relation between the first cell (14) and the second cell (15) based on the first set of measurement reports. Furthermore, the first radio base station (12) receives, from at least one user equipment in the first cell (14), a second set of measurement reports over a second period of time.

Abstract: An automatic sensor position recognition system including a position recognition unit located at pre-determined positions on a person's body and bearing a unique identification; a sensor bearing a unique identification; a communication unit assigned to the sensor and being in communication with the position recognition unit and the sensor; a data processing unit in communication with the communication unit; and a database being in communication with the data processing system and comprising the correlation of the unique identification of the position recognition unit and the pre-determined position of the position recognition unit. The system provides an automatic association between sensors and body segments as well as means to obtain these associations.

Abstract: A system for determining a position of a device, the system including a receiver module, a communication module, and a location determining module. The receiver module respectively acquires signals from a plurality of satellites totaling in number less than five. The communication module obtains, from a server, via a cellular network or a wireless network, ephemeris data corresponding to one or more of the plurality of satellites. The location determining module determines the position of the device based, at least in part, on (i) the signals acquired from the plurality of satellites, and (ii) the ephemeris data corresponding to the one or more of the plurality of satellites obtained from the server. The position of the device is further determined without a priori knowledge regarding the position of the device.

Abstract: A method including running a local low frequency clock in a node in a network during a battery conserving sleep mode, waking from the sleep mode at a time boundary determined by the low frequency clock, updating a representation of a master time based on a calculation and the time boundary, advancing the representation of master time based on a local high frequency clock while the node is awake, receiving a time synchronization signal from a node in the network, updating the calculation based on a difference between the representation of master time and a time provided in the time synchronization signal, setting a new time boundary, and returning to the sleep mode.

Abstract: The present invention provides a random access method, a base station, and a user equipment. The method includes: obtaining, by the UE, a PRACH sequence; and sending, by the UE, the PRACH sequence to the base station to perform random access, and carrying first information when sending the PRACH sequence so that the base station receives the first information in a random access process. In the technical solutions of the present invention, the UE sends the first information in the random access process, which improves transmission efficiency of the first information. The present invention is particularly applicable to services of small packets.

Abstract: A method and apparatus for modifying data synchronization of a portable computing device responsive to a data plan associated with an account associated with the portable computing device are disclosed. If the data plan specifies a data quota identifying a maximum amount of data for communication by the portable computing device, a data synchronization setting determines whether to minimize the frequency of synchronization between the portable computing device and a server or to dynamically modify the frequency of synchronization based on data usage. If data synchronization is dynamically modified, the data synchronization frequency is modified based on an estimated data usage of the portable computing device over a time interval. The data synchronization frequency is modified based on the difference between estimated data usage and the data quota and is reduced if the estimated data usage equals or exceeds the data quota.

Abstract: A non-Bluetooth device operates in a same frequency band as Bluetooth devices by employing a method of intelligent frequency hopping. The method includes: scanning a frequency band for frequency hopping communications in the frequency band by one or more Bluetooth communication devices communicating according to a Bluetooth communication protocol; determining a first frequency hopping sequence utilized by the one or more Bluetooth communication devices according to the Bluetooth communication protocol; determining a second frequency hopping sequence within the frequency band to avoid interference from the frequency hopping communications by the one or more Bluetooth communication devices; and establishing a wireless communication connection between two non-Bluetooth devices, the wireless communication connection operating in the frequency band according to a second wireless communication protocol different than the Bluetooth communication protocol, and using the second frequency hopping sequence.

Abstract: Embodiments provide an enhanced approach for Higher Priority Public Land Mobile Network (HPPLMN) search. In one embodiment, information acquired during a search (for each detected cell per frequency channel) is saved in a database and persisted in the database based on a validity time. An idle mode-to-connected mode transition by the UE, rather than aborting the search, only suspends the search for it to be resumed at a later time upon a connected mode-to-idle mode transition by the UE. Saved search data that is valid at the time of the transition is maintained and the frequency channel(s) associated with it is not re-searched in the current search. In an embodiment, the search is resumed based on weights that are associated with frequency channels, where a weight indicates a priority for visiting the frequency channel.

Abstract: An access terminal configured for use in a wireless communication system utilizing discontinuous reception (DRx). To reduce power consumption, a pilot acquisition timeline may be reduced when channel conditions are favorable; and to improve call quality, the pilot acquisition timeline may be increased when channel conditions are poor. Other aspects, embodiments, and features are also claimed and described.

Abstract: A method of handling component carrier activation and deactivation for a mobile device capable of receiving and transmitting on a plurality of component carriers in a wireless communication system is disclosed. The method includes starting a deactivation timer for a component carrier of the plurality of component carriers when the component carrier is activated, wherein the deactivation timer provides a period of time for component carrier activation, performing a Hybrid Automatic Repeat Request (HARQ) process on the component carrier, and extending activation time of the component carrier when a retransmission of the HARQ process is not finished before deactivation of the component carrier.

Abstract: Computer-implemented techniques are presented for a client device to wake up, independent of receiving a beacon signal, and transmit a first pilot signal to establish a link with a base station. Subsequent to waking up, the client device can perform an association process to establish the link with the base station to become “partially associated” with the base station and update the client device information at the base station. The client device information can be stored in a table at the base station, and the table can be a global table that is shared between all base stations in the wireless MIMO network. After establishing a link, the base station can inform the client device whether there is a pending call or data packet for the client device. If there is a pending call or data packet, the client device can become “fully associated” with the base station.

Abstract: The present invention discloses a method of time synchronization and a base station system. The base station system includes a main unit, at least one radio unit, and a transmission medium adapted to transmit information between the main unit and the at least one radio unit. The base station system further includes a clock synchronization server configured close to the side of the at least one radio unit or integrated with the at least one radio unit. The clock synchronization server is adapted to transmit synchronization data to the main unit through the transmission medium, so that the main unit performs configuration processing according to the synchronization data to implement time synchronization with the clock synchronization server.

Abstract: A transmission system includes: a first transmission apparatus to distribute a synchronization clock; and one or more second transmission apparatuses each to connect to the first transmission apparatus so as to synchronize with the synchronization clock from the first transmission apparatus, the second transmission apparatus including: a selection portion to select the first or second transmission apparatus of a connection destination so as to switch the synchronization clock; an output portion to generate an inquiry signal addressed to the first transmission apparatus via the second transmission apparatus of the connection destination selected; a determination portion to determine whether or not the inquiry signal generated by the second transmission apparatus is received; and a second control portion to determine that there is a synchronization clock loop having a loop path through the second transmission apparatus of the connection destination when the determination portion receives the inquiry signal.

Abstract: The present disclosure provides a base station transmitter, a user equipment transmitter and methods of operating the base station and user equipment transmitters. In one embodiment, the base station transmitter is for use with a cellular communication system and includes a synchronization unit configured to provide a randomly-generated constant amplitude zero autocorrelation (random-CAZAC) sequence corresponding to a downlink synchronization signal. Additionally, the base station transmitter also includes a transmit unit configured to transmit the downlink synchronization signal using the random-CAZAC sequence. In another embodiment, the user equipment transmitter is for use with a cellular communication system and includes a reference signal unit configured to provide a random-CAZAC sequence for an uplink reference signal corresponding to a one resource block allocation of the user equipment.

Abstract: A communications apparatus is provided. A signal processing device receives an RF signal comprising a wanted signal complying with a first wireless communications protocol from an air interface and processes the RF signal according to one or more signal processing parameter(s) to obtain the wanted signal. An interference detector analyzes one or more characteristic(s) of an interference signal of the wanted signal. The interference signal complies with a second wireless communications protocol different from the first wireless communication protocol. A coexistence optimization controller is coupled to the signal processing device and the interference detector, obtains information regarding the characteristic(s) of the interference signal from the interference detector and dynamically adjusts the signal processing parameter(s) according to the characteristic(s) of the interference signal.

Abstract: The present invention relates to a method for transmitting an identification signal from a first UE to a second UE for direct communication between UE's in a wireless communication system. In particular, the method includes the steps of: transmitting a first identification signal formed by using a part of the information on the first UE to the second UE; and transmitting a second identification signal including the rest of the information on the first UE to the second UE, wherein the transmission duration time of the second identification signal is longer than that of the first identification signal.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus provides or enables dynamic cooperative wireless data delivery service based on dynamic proximate locations of mobile nodes in wireless networks. A source wireless terminal may offload data for delayed transmission by a neighboring wireless terminal. The source may attempt delayed data transmission via any cooperating neighboring node (mule), whether mobile or stationary. A utility function may be used to compare costs of communicating via direct links or through opportunistically available links provided by mules. The mule may advertise availability of indirect data delivery service including probable latency time associated with the indirect delivery service.

Abstract: The present disclosure presents a method and an apparatus for self-configuring a physical cell identify (PCI) at a cell upon detecting a PCI confusion at a neighbor cell. For example, the method may include detecting that a PCI confusion exists at a second cell based on a message (e.g., configuration update message or a X2 setup response message) received from the second cell. The first cell may initiate a timer that is selected from a first timer and a second timer, the first timer longer in duration than the second timer. The first cell then configures a new PCI for the first cell when the timer expires or maintains a current PCI for the first cell when the timer is reset prior to expiration. As such, self-configuration of PCI at a cell may be achieved.

Abstract: A method and apparatus for secure communication in a digital two way radio protocol is disclosed herein. The method includes the step of, at an originating radio, generating at least one control value (505). The method further includes the step of generating an encryption key based on the at least one control value and a personal identification code at the originating radio (510). The method further includes the steps of encrypting data traffic with the encryption key to provide encrypted data traffic at the originating radio (515), transmitting the at least one control value to at least one target radio (525), and transmitting the encrypted data traffic to the at least one target radio (530).

Abstract: A packet data transmitting method and mobile communication system using the same enables transmission of common ACK/NACK information from each sector of a base station to a user entity in softer handover. The method includes receiving via at least one of the plurality of sectors a data packet from the mobile terminal, the data packet being correspondingly received for each of the at least one of the plurality of sectors; combining the correspondingly received data packets, to obtain a signal having a highest signal-to-noise ratio; decoding the value obtained by the combining; determining a transmission status of the data packet according to the decoding; and transmitting to the mobile terminal a common ACK/NACK signal including one of a common ACK signal and a common NACK signal according to the determining, the common ACK/NACK signal being transmitted via each of the at least one sector.

Abstract: A method for reducing a call establishment time in real-time communication between at least two devices. The method includes: receiving, at a first internal server of a system, a first communication from a caller, wherein the first communication is a push request that comprises an attempt to initiate a connection with a callee; and sending a push notification via the first internal server to the callee, wherein the first internal server has at least two interfaces, wherein each interface of the at least two interfaces comprises a User Datagram Protocol (UDP) port, wherein the sending includes: embedding, by the first internal server and inside the push notification, an external UDP (IP, port) pair, of the at least two interfaces, to which the callee is able to connect.

Abstract: A method, a system, and a terminal for performing a system update between mobile communication terminals. The method includes: determining, by a target mobile terminal, whether hardware is compatible with a source mobile terminal; if the hardware is compatible between both terminals, obtaining, by the target mobile terminal through a wireless network, a system backup file transferred by the source mobile terminal; and performing, by the target mobile terminal, a system update according to the system backup file. A system update can be implemented between mobile phones through a wireless network without depending on an update server or downloading an update file from the update server, thereby reducing the burden of the update server, and facilitating exchange of systems between mobile phone users.

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: Methods and apparatus for transmitting and receiving Downlink Control Information (DCI) in a single cell in order to support communication over multiple cells. The DCI is conveyed by DCI formats transmitted through Physical Downlink Control CHannels (PDCCHs) in a UE-Common Search Space (UE-CSS) and in a UE-Dedicated Search Space (UE-DSS). A distinct UE-DSS is defined in the single cell for each of the multiple cells. Each distinct UE-DSS has the same structure as a conventional UE-DSS and a location that is determined by the same parameters as the location of the conventional UE-DSS and by the respective cell identity (Cell_ID).

Abstract: A method of wireless communication includes receiving signaling from a served User Equipment (UE), via a radio access technology, indicating an interfering technology associated with coexistence issues experienced by the served UE. The method also includes calculating future subframes expected to experience coexistence issues based on previous subframes estimated to have experienced coexistence issues.

Abstract: The invention relates to a method or an arrangement for the clock synchronization of a plurality of distributed modules of an information or communication system, said modules being coupled via a packet-switched network. At least two of said modules are controlled by a local clock generator of the modules using an adjustable frequency, and a clock signal is transmitted via the network in the form of clock signal packets in a synchronous minter with respect to the local clock of the modules.

Abstract: A synchronization method by a device is provided in a device-to-device direct communication. The device receives synchronization signals from a plurality of other devices at a current frame, and estimates a synchronization time at a next frame based on the synchronization signals received from the other devices.

Abstract: A cell phone peripheral device comprises a communication unit, for short-distance wireless communicating between said cell phone peripheral device and the cell phone; a processing unit, for receiving information from said communication unit, processing the information to obtain and analyze data information; a display unit, for receiving and displaying said data information. A method for a cell phone perpheral device communicating with a cell phone comprises receiving information from the cell phone by way of short-distance wireless communication; processing the information to obtain and analyze data information; and displaying, by the cell phone peripheral device, the data information.

Abstract: In a wireless communication system formed of a plurality of nodes, an arbitrary node receives messages broadcasted from neighbor nodes and calculates amounts of changes in receiving times that are differences between receiving times when the messages are currently received and receiving times when the messages are previously received with respect to the neighbor nodes. The node corrects reference time thereof based on the amounts of changes calculated with respect to the neighbor nodes.

Abstract: A method for wireless communications includes determining a time division duplex (TDD) configuration of a non-serving network. The method also includes detecting interference from the non-serving network based at least in part on the TDD configuration of the non-serving network. The method further includes signaling an eNodeB of the interference based at least in part on the detecting.

Abstract: A method, apparatus and computer program product are therefore provided according to an example embodiment to provide a cellular based ITS environment. The cellular based ITS environment may be configured based on LTE based interfaces. In this regard, a method includes receiving configuration information from a first access point, wherein the configuration information defines an ITS target area comprising at least the first access point and a first RSU. A method also includes receiving an ITS paging message from the first access point. A method also includes causing a reselection of the first RSU while in the communications range of the first access point in the ITS target area and in response to the received ITS paging message.

Abstract: Methods and systems for operating a wireless clock system for multimedia datastream transmission and display. Source clock frames are compared with a reference clock frames and the clock difference are transmitted to a wireless clock receiver which also receives the same reference clock frames. Source clock frames are re-constructed using the reference clock frames, clock difference information and the receiver's local clock system.

Abstract: A method, system and computer program product are described for managing network communications to a Session Initiation Protocol (SIP) server capable of SIP processing using a SIP stack. A data packet is received from a network device. It is determined, from the data packet, whether the network device is a device recognized by the SIP server. Responsive to this determination, and before SIP processing using the SIP stack, it is determined whether the data packet conforms to a permitted configuration. The permitted configuration includes that data of the data packet indicates an unfragmented User Datagram Protocol (UDP) packet and that data indicative of SIP data in the received data packet matches a parsing rule. If the data packet conforms to the permitted configuration, it is passed to the SIP stack, if not it is discarded.

Abstract: Various embodiments pertain to techniques for decreasing an amount of time to a browser onload event by asynchronously loading web page content. In various embodiments, frames are utilized to trigger an onload event before all content in a web page is loaded. In some embodiments, various components of the web page, such as advertisements, are provided in frames, and the loading of the components is triggered by an onload event of the frame. In other words, an empty frame can be provided for the purposes of triggering both a frame onload event and an onload event for the web page. The frame onload event can cause a page script to be executed effective to load the components into the frames. In some embodiments, two or more nested frames are utilized to provide asynchronous loading of web page components while maintaining compatibility of the advertisement or multimedia items and the web page.

Abstract: A method and apparatus for transmitting a synchronization signal in a talk-around direct communication network is provided. The method includes: determining one of a plurality of second windows included in a first window as a synchronization reception window; selecting one of a plurality of synchronization slots included in the second windows as a first synchronization slot; transmitting a first synchronization signal through the first synchronization slot included in the second windows, excluding the synchronization reception window; detecting a second synchronization signal transmitted from other terminals using the first synchronization slot included in the synchronization reception window; and determining that a collision from amongst the synchronization signals has occurred based on the detection result.

Abstract: A technique is disclosed to schedule frame transmissions in a wireless network utilizing scheduled TDMA by synchronizing clocks in repeater and backhaul access points.

Abstract: A mobile device may obtain time difference of arrival (TDOA) measurements from wireless signals transmitted by a plurality of nodes. The plurality of nodes may include synchronized nodes that are synchronized to a time reference and an unsynchronized node that has a time synchronization error relative to the time reference. An estimated location of the mobile device can be determined based on the TDOA measurements. Another estimated location of the mobile device can be determined based on other data, such as the mobile device scanning an object having a known location. The time synchronization error can then be determined based on a distance between these estimated locations. Once the time synchronization error has been determined, it can be used to correct subsequent TDOA measurements involving the unsynchronized node.

Abstract: A method of assigning a device ID of a device-to-device network to a mobile station includes: selecting a subset from a set of parameters from which the device ID is determined, each parameter in the set having a number of bits for complete representation, the subset comprising a number Nd2d of parameters used to determine the device ID; determining a number L of device ID bits to represent the device ID; dividing the L device ID bits into a group of l1 indicator bits and a group of l2 identifier bits, wherein l2 is the difference between the number L of device ID bits and the number l1 of bits allocated to the group of indicator bits; assigning bit values to the l1 indicator bits; allocating a number Ljp of the l2 identifier bits to each of the parameters in the subset; and assigning bit values the l2 identifier bits.

Abstract: A method of synchronising the reference clock of a first wireless device with a master reference clock of a second wireless device via a wireless network. The method involves transmitting, from the second wireless device to the first wireless device, a dedicated synchronisation frame via a dedicated synchronisation channel; receiving the dedicated synchronisation frame at the first wireless device; and synchronising the reference clock of the first wireless device with the master reference clock of the second wireless device based on the received dedicated synchronisation frame.

Abstract: The present disclosure provides a device to device (D2D) synchronization method that is applicable to a user equipment and a user equipment (UE) using the same method. In one of the exemplary embodiments, the D2D synchronization method includes receiving detected signals from a receiver, obtaining from the detected signals a first signal having a first timing information and a second signal having a second timing information, determining whether to forward the first timing information or the second timing information based on an upper bound power restriction of the first signal and the second signal and a power difference between the first signal and the second signal, and determining whether to transmit a third timing information that is inherent of the UE based on whether the first signal and the second signal are below power thresholds.

Abstract: Aspects of the present disclosure relates generally to communication systems, and more particularly, to apparatus and techniques for handling, within resources of an assigned channel, different availability of interference. Aspects generally include determining different portions of resources for an assigned downlink channel that are subject to at least one of different levels or different types of interference, and selecting different techniques for processing the different portions of the resources, wherein each technique is selected based on the corresponding level or type of interference. In aspects, a fixed pattern or amount of interference for the resources may be selected based on the different levels or the different types of interference and a technique for processing the resources is selected, wherein the technique is selected based on the selected fixed pattern or amount of interference.

Abstract: Embodiments herein relates to a method in a radio base station (12) for handling a timing of uplink transmission from a user equipment (10) to the radio base station (12) in a radio communications network. The user equipment (10) is served in a cell (14) controlled by the radio base station (12), and which radio base station (12) and user equipment (10) are comprised in the radio communications network. The communications in the cell (14) are organized in radio frames comprising subframes. The radio base station (12) receives a first uplink transmission from the user equipment (10) in a subframe related to the radio base station (12). The radio base station then estimates a time parameter value based on a distance between the user equipment (10) and the radio base station (12) when the first uplink transmission is transmitted from the user equipment (10).