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Reference Signal Received Power patents

      

This page is updated frequently with new Reference Signal Received Power-related patent applications.




 D2d operation method performed by terminal in wireless communication system and terminal using same patent thumbnailD2d operation method performed by terminal in wireless communication system and terminal using same
Provided are a device-to-device (d2d) operation method and device which are performed by a terminal in a wireless communication system. The method comprises: receiving d2d configuration information indicating a plurality of resources which can be used for a d2d operation from a network; selecting a specific resource from among the plurality of resources; and performing the d2d operation with another terminal using the selected specific resource, wherein the specific resource is selected on the basis of a reference signal received power (rsrp) which the terminal has received from the network..
Lg Electronics Inc.


 Performance improvements for high gain devices patent thumbnailPerformance improvements for high gain devices
Wireless communication is disclosed using a wireless communication device, such as a user equipment (ue) having a high-gain antenna. In a cell that uses at least one of reference signal received power (rsrp)-based cell selection or rsrp-based cell reselection, the wireless communication device may determine an offset rsrp by applying an offset to a measured rsrp if a signal quality of communications from a serving base station of the cell fails to satisfy a signal quality threshold.
Qualcomm Incorporated


 Selective dual network mode for lte devices patent thumbnailSelective dual network mode for lte devices
A voice over long term evolution (volte) capable mobile device is configured to deregister from an internet protocol (ip) multimedia subsystem (ims) network element for voice connections and use a dual network mode of operation that includes data connections via a 4g lte/lte-a network and voice connections via a legacy 3g or 2g network based on performance metrics a serving cell of the 4g lte/lte-a network. When the performance metrics indicate that voice connections may be unstable, such as when a reference signal received power (rsrp) falls below a threshold level but remains above a reselection/handover threshold level, the mobile device deregisters from the ims network element to disable volte connections from being established.
Apple Inc.


 Technique for measuring reference signal received power patent thumbnailTechnique for measuring reference signal received power
A technique for measuring reference signal received power (rsrp) is provided. The rsrp is measured based on cell-specific reference signals (crss) provided by cells (102, 104) of a mobile telecommunications network (100).
Telefonaktiebolaget Lm Ericsson (publ)


 Cell selection procedures for machine type communication devices patent thumbnailCell selection procedures for machine type communication devices
Cell selection techniques are provided for network access to cells that may employ one or more coverage enhancement techniques. A user equipment (ue), which may be a machine type communication (mtc) device, upon initial acquisition or upon wakeup may measure a reference signal received power (rsrp), reference signal received quality (rsrq), or both, and determine a cell selection value based at least in part on the rsrp, rsrq, or a combination thereof.
Qualcomm Incorporated


 Configurable random access initial power level selection patent thumbnailConfigurable random access initial power level selection
Methods, systems, and devices are described for initial power level selection on a physical random access channel in a wireless communications network. Initial power level selection may account for, or be based on, one or more channel conditions associated with the physical random access channel.
Qualcomm Incorporated


 Method of measuring radio resource and apparatus therefor patent thumbnailMethod of measuring radio resource and apparatus therefor
A method of measuring and reporting radio resources by a mobile terminal operating while retuning to a plurality of subbands in a wireless communication system, comprising receiving measurement configuration including one or more subbands for measuring a reference signal received power from a specific cell and measuring a reference signal received power in an operating subband of the mobile terminal when the operating subband of the mobile terminal matches the measurement configuration.. .
Lg Electronics Inc.


 Coverage estimation of wireless cellular networks by user equipment (ue) idle mode measurements patent thumbnailCoverage estimation of wireless cellular networks by user equipment (ue) idle mode measurements
Generally, this disclosure provides devices, systems and methods for improved coverage estimation of wireless cellular networks through user equipment (ue) idle mode measurement and reporting. A ue may include a signal measurement module to measure a reference signal received power (rsrp) of a serving cell of the ue, the ue in an idle mode, and to determine if the rsrp is below a threshold value.
Intel Corporation


 Method, device, and system for radio resource management measurement patent thumbnailMethod, device, and system for radio resource management measurement
Embodiments provide a method for radio resource management measurement. The method includes: determining, by a ue according to a detected first reference signal, a first resource on which the detected first reference signal is located; determining, by the ue, a reference signal received power rsrp of a target cell according to a received power of the detected first reference signal carried on the first resource; determining, by the ue, a second resource; determining, by the ue, a received signal strength indicator rssi of the target cell according to a total received power on the second resource; and determining, by the ue, reference signal received quality rsrq or a signal to interference plus noise ratio sinr of the target cell or both according to the rsrp and rssi.
Huawei Technologies Co., Ltd.


 Methods providing benefit metrics for inter base station coordinated multipoint communications patent thumbnailMethods providing benefit metrics for inter base station coordinated multipoint communications
A method may be provided to operate a first base station in a radio access network including the first base station and a second base station. According to this method, a reference signal received power (rsrp) measurement list, a coordinated multipoint (comp) hypothesis, and a benefit metric may be communicated between the first and second base stations..
Telefonaktiebolaget L M Ericsson (publ)


Lte-a systems and drs based positioning

A long term evolution advanced (lte-a) location server, user equipment (ue) and evolved node-b (enb) are generally described. Information may be transmitted to the ue from the location server.

Method and device for calculating reference signal received power

The present invention provides a method and a device for calculating rsrp. The method comprises the steps of: calculating a first signal power estimation value, the first signal power estimation value being an average value of power of all received rss; calculating a second signal power estimation value, the second signal power estimation value being an average value of power of all coherence blocks, and the power of each coherence block being the power of an average value of the channel estimation for all the rss in the coherence block; determining a noise power estimation value according to the first signal power estimation value and the second signal power estimation value; and determining the rsrp according to the first signal power estimation value and the noise power estimation value, or according to the second signal power estimation value and the noise power estimation value..
Telefonaktiebolaget L M Ericsson (publ)

Signalling in coordinated multi-point transmission and reception (comp)

In a wireless communications system including a first base station and a second base station, a wireless communications method implemented in the first base station supporting coordinated multi-point transmission and reception (comp) is disclosed. The wireless communications method comprises receiving, from the second base station, a user equipment (ue) identification (id) for a ue in a reference signal received power (rsrp) report, and using the ue id to link the rsrp report with another measurement result for the ue.
Nec Corporation

Radio transmission device and radio transmission method

A mobile station includes communication control circuitry that selects a preamble contained in a first random access preamble group when a message size based on data available for transmission does not meet a first condition or when a value calculated based on a reference signal received power of downlink does not meet a second condition, a preamble contained in a second random access preamble group when the message size based on data available for transmission meets the first condition and the value calculated based on the reference signal received power of downlink meets the second condition, and a preamble contained in the third random access preamble group for a handover, independent of the message size based on data available for transmission and the value calculated based on the reference signal received power of downlink. The communication control circuitry also generates and transmits a selected preamble..
Godo Kaisha Ip Bridge 1

Antenna port detection

There is provided presence detection of a second transmit antenna port in a distributed antenna port system. Cell-specific reference signals, crs, are received on a first receive antenna port and a second receive antenna port.
Telefonaktiebolaget L M Ericsson (publ)

Method of performing cell measurement and providing information for cell measurement

A method and base station for transmitting information for cell measurements, and a method and user equipment for performing cell measurements are discussed. The method according to one embodiment includes transmitting, by the base station, signals according to an almost blank subframe pattern; and transmitting, by the base station, information indicating a first time domain measurement resource restriction pattern and a second time domain measurement resource restriction pattern.
Lg Electronics Inc.

Methods and power saving in discontinuous reception-adaptive neighbor cell search duration

Methods and apparatus for adaptively adjusting temporal parameters (e.g., neighbor cell search durations). In one embodiment, neighbor cell search durations during discontinuous reception are based on a physical channel metric indicating signal strength and quality (e.g.
Apple Inc.

Downlink power management

A system and related method for increasing or decreasing the range of a pico cell station. The system and method determine triggers for dynamic range change, measure operational conditions and make a change reactive to operational conditions.
Intel Corporation

Improved handover with ping pong avoidance in a wireless network

Generally, this disclosure provides apparatus and methods for improved handover with ping pong avoidance in wireless heterogeneous networks. The ue device may include a handover (ho) module configured to determine a reference signal received power (rsrp) difference between a serving cell and a neighbor cell and to select a timetotrigger (ttt) related to an ho measurement report based, at least in part, on the rsrp difference..
Intel Ip Corporation

Method and terminal for performing measurements in coverage extension area of small-scale cell when macro cell and small-scale cell coexist

The present specification provides a method for performing measurements, by a terminal, in a coverage extension area of a small-scale cell in a wireless communication system in which macro cell and the small-scale cell coexist. The method for performing measurements can include the steps of: receiving information about a first subframe on which measurements for the small-scale cell can be performed and information about a second subframe on which measurements for the macro cell can be performed; when an interference cancellation function is set, measuring reference signal received power (rsrp) and a received signal strength indicator (rssi) for the small-scale cell by driving the interference cancellation function on the first subframe; and measuring rsrp on the second subframe for the macro cell by driving the interference cancellation function and measuring the rssi for the macro cell without driving the interference cancellation function..

Transmission and reception of reference signals in wireless networks

The enclosed embodiments relate to transmission and reception of reference signals on sub-carriers of a time frequency grid in a wireless network. Resource configuration for transmission of reference signals is obtained by a wireless device.

Method and related mobile device for determining a refernce signal received power

The present disclosure relates to a method and related mobile device for estimating a channel by choosing a subset of correlated channel coefficients and estimating the reference signal received power of the subset of correlated channel coefficients based on a cross-correlation between channel coefficients of the subset of correlated channel coefficients.. .
Intel Ip Corporation

Method, apparatus, and computer program product for facilitating load based changes of data offloading thresholds

Methods, apparatuses, and computer program products are provided to facilitate load based changes in data offloading thresholds. In the context of a method, the method includes causing measurement of a reference signal received power of a serving cell in the first network to be performed; causing measurement of a reference signal received quality of a serving cell in the first network to be performed; and causing one or more network metrics for a second network to be acquired.
Nokia Technologies Oy

Methods and discovery and measurement in cellular networks

Adaptation of measurement procedures for cell detection and association provide more accurate and frequent reports for use by the network, to enhance cell association. A user equipment receives, within a configured measurement bandwidth, orthogonal frequency division multiplexing symbols comprising discovery reference signals (drs).
Samsung Electronics Co., Ltd.

Power control for devices having multiple antennas

Power control for devices having multiple transmit antennas are disclosed, including power control methods for physical uplink control channel (pucch) and sounding reference signal (srs) transmissions for a wireless transmit/receive unit (wtru). The pucch and srs power control methods include selecting a multiple input multiple output (mimo) mode and changing the power of the pucch or srs transmission based on the selected mimo mode.
Interdigital Patent Holdings, Inc.

Method for configuring a dual connectivity user equipment

This disclosure describes, among other things, a method for configuring a dual connectivity user equipment (ue). In some embodiments, the method comprises: a first network node receiving link performance information with respect to the performance of a user plane between a second network node and the ue; the first network node determining a measurement report triggering parameter based on the received link performance information; and the first network node transmitting to the ue a message comprising the measurement report triggering parameter.
Telefonaktiebolaget L M Ericsson (publ)

Rsrp mobility state estimation for cellular device

Generally discussed herein are systems and apparatuses that can implement a mobility state estimation (mse) of a user equipment (ue) and techniques for using the mse algorithms. According to an example technique to determine the mse of a ue can include determining, using the ue, a maximum reference signal received power (rsrp) within a cell, determining, using the ue, a minimum rsrp within the cell, determining, using the ue, a difference between the maximum and minimum rsrp, and determining, using the ue, an mse of the ue as a function of the determined difference..
Metran Co., Ltd.

Method and system for minimizing power consumption of user equipment during cell detection

A method and system for minimizing battery power consumption of user equipment (ue) during inter-frequency cell discovery in heterogeneous network is disclosed. Ue receives background scan configuration for specified frequency from the network and performs the background scan for detecting inter-frequency cell.
Samsung Electronics Co., Ltd.

Method and device for managing coordinated multi-point

The invention provides a method and a device for measuring enhanced reference signal received power (ersrp) of channel state information-reference signals (csi-rss) of transport points in coordinated multi-point (comp), and a method and a device for maintaining a measurement set/cooperating set based on the measurement. A method for reporting ersrp is provided, including: receiving csi-rss transmitted by multiple transport points; measuring and evaluating ersrp of the csi-rss of the multiple transport points based on measurement configuration; and transmitting a measurement report about the ersrp of the measured csi-rs.
Alcatel Lucent

Selecting a communication channel based on a neighboring cell constraint

Provided are methods and apparatus for selecting a channel to use for communicating. The methods and apparatus select a channel having the least interference and minimize a number of different channels in use.
Qualcomm Incorporated

Method for estimating abs zone in wireless access system and same

Disclosed in the present invention are a method for estimating an almost blank subframe (abs) zone in a wireless access system in which a macro cell and a pico cell coexist, and an apparatus for same. More specifically, the present invention comprises the steps of measuring reference signal received power (rsrp) by using a cell-specific reference signal which is inserted into a subframe of the macro cell, and determining whether the format of the subframe is a multicast broadcast single frequency network (mbsfn) abs by comparing an rsrp measurement value from a zeroth orthogonal frequency division multiplexing (ofdm) symbol of the subframe, and an rsrp measurement value from a symbol that is not the zeroth ofdm symbol..
Lg Electric Inc.

Method and device for reporting reference signal received power

Embodiments of the present invention provide a method and device for reporting reference signal received power. A base station determines at least one first channel-state information reference signal csi-rs resource used by a terminal to report reference signal received power rsrp, where the first csi-rs resource includes at least one antenna port group, and the antenna port group includes at least one antenna port; the base station sends first csi-rs resource configuration information to the terminal, where the first csi-rs resource configuration information carries the at least one first csi-rs resource; and the base station receives rsrp that is of each antenna port group included in the first csi-rs resource and is reported by the terminal.
Huawei Technologies Co., Ltd.

Method and measuring in a wireless communication system

A method for a terminal for taking a measurement in a wireless communication system according to an embodiment of the present invention comprises the steps of: measuring a reference signal strength indicator (rssi); and determining reference signal received quality (rsrq) from the rssi and reference signal received power (rsrp), wherein the subframe for which the measurement is taken is directed by upper layer signaling, and if the terminal can obtain reference signal information of the neighboring cell, the rssi is measured on the basis of an ofdm symbol, comprising a reference signal, in the subframe.. .
Lg Electronics Inc.

Downtilt selection in a full dimensional multiple-input multiple-output system

A technology for an enhanced node b (enode b) in a cellular network that is operable to determine downtilt using full dimensional (fd) multiple-input multiple-output (mimo). A plurality of orthogonal frequency division multiple access (ofdma) signals can be transmitted, wherein each transmitted ofdma signal is transmitted with a selected downtilt angle from a two dimensional antenna array of the enode b.

Power adaptive method and apparatus in a heterogeneous network

A method and apparatus in a heterogeneous network includes: receiving, by a pico base station, reference signal received power of a serving base station and a neighboring base station reported by multiple pieces of user equipment (ue) within its coverage; calculating, by the pico base station, an average value of data received power of the ue and an average value of the reference signal received power of the ue for receiving reference signal transmitted by the macro base station according to the reference signal received power; and transmitting the above calculation result by the pico base station to the macro base station, so that the macro base station determines transmitted power of a unicast physical channel in an almost blank subframe configured by the macro base station for the pico base station; the throughput of the system is optimized accordingly.. .
Fujitsu Limited

Radio transmission device and radio transmission method

A mobile station includes communication control circuitry that selects a preamble contained in a first random access preamble group when a message size based on data available for transmission does not meet a first condition or when a value calculated based on a reference signal received power of downlink does not meet a second condition, a preamble contained in a second random access preamble group when the message size based on data available for transmission meets the first condition and the value calculated based on the reference signal received power of downlink meets the second condition, and a preamble contained in the third random access preamble group for a handover, independent of the message size based on data available for transmission and the value calculated based on the reference signal received power of downlink. The communication control circuitry also generates and transmits a selected preamble..
Godo Kaisha Ip Bridge 1

Method and device for measurement in wireless communication system

One embodiment of the present invention relates to a method for allowing a terminal to measure at least one or more transmission points among a first transmission point and a second transmission point, which are neighboring cells, in a wireless communication system, and the measurement method comprises the steps of: measuring a reference signal strength indicator (rssi) in a predetermined resource of a subframe; and measuring reference signal received quality (rsrq) from said rssi and reference signal received power (rsrp), wherein said predetermined resource is associated with the setting of an almost blank subframe (abs) of said first transmission point for said subframe.. .

Cellular communication system computation of rsrp in the presence of large frequency errors

A reference signal received power (rsrp) value is produced from a received orthogonal frequency division multiplexed (ofdm) signal that comprises a plurality of reference symbols located at known sub-carrier frequencies and times within the received ofdm signal. Rsrp value production involves, for each hypothesized error state selected from a plurality of different hypothesized error states, ascertaining a corresponding hypothesized rsrp value, and then using the hypothesized rsrp values as a basis for determining a value for use as the produced rsrp value (e.g., by selecting a maximum one of the hypothesized rsrp values as the produced rsrp value).

Radio resource allocation apparatus and method using interference indicator in femto cell network

A radio resource allocation apparatus and method using an interference indicator in a femto-cell network are disclosed. The radio resource allocation apparatus using an interference indicator in a femto-cell network includes: an interference indicator obtaining unit obtaining any one or more of interference indicators including load information of a base station in the femto-cell network, a change amount of reference signal received power (rsrp) to reference signal received quality (rsrq), and a channel quality indicator (cqi); a priority determining unit providing different weights to each of the interference indicators and determining an allocation priority of radio resources using the interference indicators to which the weights are provided; and a radio resource allocating unit allocating the radio resources to the base station in any one of a dedicated carrier mode, a partially shared carrier mode, and a shared carrier mode using the allocation priority..

Communication control method, base station, and user terminal

A communication control method including a first base station and a second base station having a smaller coverage area than the first base station, comprises: a step a, performed by the second base station, of notifying the first base station of a reference signal transmission power of the second base station; a step b, performed by a user terminal connected to the first base station, of measuring a reference signal received power from the second base station, and then reporting the reference signal received power to the first base station; and a step c, performed by the first base station, of estimating a path loss between the second base station and the user terminal, on the basis of the reference signal transmission power notified from the second base station in the step a and the reference signal received power reported from the user terminal in the step b.. .

Determination of ue location in a cell

A radio base station and a method therein are provided for determining where in a cell a ue, being served by the radio base station, is located. The method includes receiving at least a first and subsequently a second reference signal received power (rsrp) value from the ue, and comparing the received first and second rsrp values.

Measuring device and measurement non-intrusive throughput measurement in communication networks

A measuring device for performing measurements of a measurement signal emitted by a communication network using a plurality of resource blocks comprises digital processing means comprises power detection means for determining a received signal strength indicator rssi indicative of a received power of user data within a number of resource blocks in the measurement signal and a reference signal received power rsrp indicative of a received power of reference signals within a number of resource blocks in the measurement signal. It further comprises resource determining means for determining occupied and unoccupied resource blocks based on the determined reference signal received power rsrp and received signal strength indicator rssi.

Apparatus and methods of joint transmit power and resource management

The present disclosure presents a method and apparatus for joint power and resource management in a wireless network. For example, the disclosure presents a method for receiving reference signal received power (rsrp) measurements of one or more neighboring base stations of a base station.

Method for measuring cell in wireless access system, and device therefor

Disclosed are a method for measuring a cell in a wireless access system and a device therefor. Specifically, the method comprises the steps of: receiving a pattern for reference signal received power (rsrp)/reference signal received quality (rsrq) measurement; measuring a received signal strength indicator (rssi) from a plurality of subframes included in the pattern for the rsrp/rsrq measurement; extracting almost blank subframes (abss) from the plurality of subframes included in the pattern for the rsrp/rsrq measurement by using the measured rssi; and measuring the rsrp/rsrq from the plurality of subframes included in the pattern for the rsrp/rsrq measurement in consideration of the extracted abss..

Reference signal power measurement and reporting for improving performance in a network with geographically separated antenna ports

Devices and methods for improving performance in a network with geographically separated antenna ports based on determining arid reporting reference signal power from a communication device to a base station are provided. In one aspect, the difference between received reference signal power values is used in determining a reported reference signal power value, such as reference signal received power (rsrp) in a multiple-input multiple-output (mimo) network including geographically separated antenna ports transmitting on cell-specific reference signal (cbs) ports 0 and 1.

Radio link monitoring (rlm) and reference signal received power (rsrp) measurement for heterogeneous networks

A method for communicating in an advanced long term evolution (lte-a) network using common reference signal (crs) resources associated with different interference levels due to resource partitioning is disclosed. Signals are received from an enodeb indicating a subset of crs resources for radio link monitoring (rlm) and/or reference signal received power (rsrp) measuring.

Communication system, terminal, and base station

There are provided a base station, a terminal, and a communication system in a wireless communication system in which a base station and a terminal communicate with each other, in which the base station and the terminal can efficiently perform communication. The communication system includes a higher layer processing unit 605 configured to configure, at the base station, for each terminal, a first reference signal configuration for configuring a measurement target for channel state reporting, configured to configure, at the base station, for each terminal, a second reference signal configuration specifying a resource element to be excluded from the target of data demodulation in a case where the terminal demodulates data, and configured to configure, at the base station, for each terminal, a third reference signal configuration for configuring a measurement target for which a reference signal received power is to be measured by the terminal..

Feedback and scheduling for coordinated multi-point (comp) joint transmission (jt) in orthogonal frequency division multiple access (ofdma)

A method implemented in a user equipment (ue) used in an orthogonal frequency division multiple access (ofdma) wireless communications system supporting coordinated multi-point (comp) joint transmission (jt) is disclosed. The method includes measuring reference signal received power (rsrp), transmitting, to a network, first feedback on the rsrp, receiving, from the network, a comp measurement set, conducting pre-scheduling comp ue fallback according to the comp measurement set, computing channel quality and direction information according to a ue category, and transmitting, to the network, second feedback on the channel quality and direction information.



Reference Signal Received Power topics:
  • Reference Signal Received Power
  • Serving Cell
  • Base Station
  • Synchronization
  • Communications
  • Distributed
  • Multipoint
  • Discontinuous Reception
  • Physical Layer
  • Cell Reference
  • Allocation
  • Communication System
  • Channel Impulse Response


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    This listing is a sample listing of patent applications related to Reference Signal Received Power for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Reference Signal Received Power with additional patents listed. Browse our RSS directory or Search for other possible listings.


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