SYSTEMS AND METHODS FOR WIRELESS SIGNAL MEASUREMENT AND REPORTING FOR DEVICE-TO-DEVICE COMMUNICATION

• US 20140094162A1
• Filed: 06/27/2013
• Published: 04/03/2014
• Est. Priority Date: 09/28/2012
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Heo, Youn Hyoung, Choi, Hyung-Nam, Bienas, Maik, Phuyal, Umesh
• Granted Patent: US 9,173,124 B2
• Time in Patent Office: Days
• US Class Current: 455/422.1
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04J 11/00 Orthogonal multiplex systems, e.g. using WALSH codesH04J13/00 takes precedence
• CPC Class Codes: H04J 11/0086 Search parameters, e.g. search strategy, accumulation length, range of search, thresholds code acquisition in DSSS H04B1/7075
• CPC Class Codes: H04J 3/1694 Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers Passive Optical Networks H04Q11/0062
• CPC Class Codes: H04L 1/1812 Hybrid protocols; Hybrid automatic repeat request [HARQ]
• CPC Class Codes: H04L 1/1861 Physical mapping arrangements for ACK signaling see also H04L5/0053
• CPC Class Codes: H04L 1/1864 ARQ related signaling H04L1/1607 takes precedence
• CPC Class Codes: H04L 1/1893 Physical mapping arrangements physical resource mapping in general H04L5/00
• CPC Class Codes: H04L 41/069 using logs of notifications; Post-processing of notifications
• CPC Class Codes: H04L 41/5032 Generating service level reports
• CPC Class Codes: H04L 43/16 Threshold monitoring
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0035 Resource allocation in a cooperative multipoint environment
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04L 5/0057 Physical resource allocation for CQI
• CPC Class Codes: H04L 5/0073 Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04L 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex
• CPC Class Codes: H04L 65/60 Network streaming of media packets
• CPC Class Codes: H04L 65/612 for unicast
• CPC Class Codes: H04L 65/65 : Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
• CPC Class Codes: H04L 65/762 : at the source reformatting of additional data in video distribution servers H04N21/2355
• CPC Class Codes: H04L 67/10 : in which an application is distributed across nodes in the network software deployment G06F8/60; multiprogramming arrangements G06F9/46
• CPC Class Codes: H04W 24/02 : Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/08 : Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 24/10 : Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 28/0205 : at the air interface dynamic wireless traffic scheduling H04W72/12
• CPC Class Codes: H04W 28/0215 : based on user or device properties, e.g. MTC-capable devices services for machine-to-machine communication [M2M] or machine type communication [MTC] H04W4/70; wireless resource selection or allocation plan definition based on terminal or device properties H04W72/51
• CPC Class Codes: H04W 28/0221 : power availability or consumption
• CPC Class Codes: H04W 28/0252 : per individual bearer or channel dynamic wireless traffic scheduling H04W72/12
• CPC Class Codes: H04W 28/0268 : using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] negotiating SLA or negotiating QoS H04W28/24
• CPC Class Codes: H04W 28/16 : Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
• CPC Class Codes: H04W 36/0061 : of neighbour cell information
• CPC Class Codes: H04W 36/0066 : of control information between different types of networks in order to establish a new radio link in the target network
• CPC Class Codes: H04W 36/0083 : Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
• CPC Class Codes: H04W 36/0085 : Hand-off measurements
• CPC Class Codes: H04W 36/0088 : Scheduling hand-off measurements
• CPC Class Codes: H04W 36/22 : for handling the traffic
• CPC Class Codes: H04W 4/70 : Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 40/005 : Routing actions in the presence of nodes in sleep or doze mode
• CPC Class Codes: H04W 40/246 : Connectivity information discovery
• CPC Class Codes: H04W 48/14 : using user query or user detection
• CPC Class Codes: H04W 48/16 : Discovering, processing access restriction or access information
• CPC Class Codes: H04W 48/18 : Selecting a network or a communication service
• CPC Class Codes: H04W 48/20 : Selecting an access point
• CPC Class Codes: H04W 52/0209 : in terminal devices terminal devices per se H04W88/02
• CPC Class Codes: H04W 52/0212 : managed by the network, e.g. network or access point is master and terminal is slave
• CPC Class Codes: H04W 52/0225 : using monitoring of external events, e.g. the presence of a signal
• CPC Class Codes: H04W 52/0235 : where the received signal is a power saving command
• CPC Class Codes: H04W 52/0258 : controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day
• CPC Class Codes: H04W 52/0261 : managing power supply demand, e.g. depending on battery level
• CPC Class Codes: H04W 52/04 : TPC
• CPC Class Codes: H04W 52/14 : Separate analysis of uplink or downlink
• CPC Class Codes: H04W 72/02 : Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 72/044 : based on the type of the allocated resource
• CPC Class Codes: H04W 72/0453 : Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/20 : Control channels or signalling for resource management
• CPC Class Codes: H04W 72/21 : in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 : in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/30 : Resource management for broadcast services
• CPC Class Codes: H04W 72/52 : based on load
• CPC Class Codes: H04W 72/541 : using the level of interference
• CPC Class Codes: H04W 74/002 : Transmission of channel access control information
• CPC Class Codes: H04W 74/004 : in the uplink, i.e. towards network
• CPC Class Codes: H04W 76/12 : Setup of transport tunnels
• CPC Class Codes: H04W 76/15 : Setup of multiple wireless link connections
• CPC Class Codes: H04W 76/16 : Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
• CPC Class Codes: H04W 76/23 : Manipulation of direct-mode connections
• CPC Class Codes: H04W 76/27 : Transitions between radio resource control [RRC] states
• CPC Class Codes: H04W 76/28 : Discontinuous transmission [DTX]; Discontinuous reception [DRX]
• CPC Class Codes: H04W 76/30 : Connection release
• CPC Class Codes: H04W 8/08 : Mobility data transfer
• CPC Class Codes: H04W 80/10 : adapted for application session management, e.g. SIP [Session Initiation Protocol] connection management H04W76/00; arrangements for session management H04L67/14
• CPC Class Codes: H04W 84/042 : Public Land Mobile systems, e.g. cellular systems
• CPC Class Codes: H04W 84/12 : WLAN [Wireless Local Area Networks]
• CPC Class Codes: H04W 88/02 : Terminal devices
• CPC Class Codes: H04W 88/06 : adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
• CPC Class Codes: H04W 88/08 : Access point devices
• CPC Class Codes: H04W 88/12 : Access point controller devices
• CPC Class Codes: H04W 88/14 : Backbone network devices
• CPC Class Codes: H04W 88/16 : Gateway arrangements
• CPC Class Codes: H04W 88/18 : Service support devices; Network management devices
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

Methods, systems, and devices for configuration and reporting of proximity detection measurements are disclosed herein. User equipment (UE) is configured to receive and store a PD-RS list from an evolved universal terrestrial radio access network (E-UTRAN) node B (eNB). The PD-RS list includes a radio resource configuration for at least a first proximity discovery reference signal (PD-RS). The UE is configured to measure at least the first PD-RS to determine a signal parameter for the first PD-RS. The UE reports the signal parameter for the first PD-RS to the eNB.

Claims

1. User equipment (UE) comprising processing circuitry configured to:

receive and store a proximity discovery reference signal (PD-RS) list from an evolved universal terrestrial radio access network (E-UTRAN) node B (eNB), the PD-RS list comprising a radio resource configuration for at least a first PD-RS;

measure at least the first PD-RS to determine a signal parameter for the first PD-RS; and

report the signal parameter for the first PD-RS to the eNB.

2. The UE of claim 1, wherein the radio resource configuration for the first PD-RS comprises a transmission offset, the transmission offset indicating a transmission power of the first PD-RS.

3. The UE of claim 1, wherein the radio resource configuration for the first PD-RS comprises an identifier for the first PD-RS.

4. The UE of claim 1, wherein the processing circuitry is further configured to receive an open discovery mode configuration, wherein the open discovery mode configuration configures the UE to measure any PD-RS in addition to the PD-RSs listed in the PD-RS list.

5. The UE of claim 1, wherein the processing circuitry is further configured to receive a restricted discovery mode configuration, wherein the restricted discovery mode configuration configures the UE to only measure PD-RSs listed in the PD-RS list.

6. The UE of claim 1, wherein receiving and storing the PD-RS list comprises receiving a PD-RS addition message comprising the radio resource configuration for the first PD-RS and storing the radio resource configuration in the PD-RS list.

7. The UE of claim 1, wherein receiving and storing the PD-RS list comprises receiving a PD-RS replacement message comprising the radio resource configuration for the first PD-RS and storing the radio resource configuration in the PD-RS list to replace previous radio resource configuration information.

8. The UE of claim 1, wherein the processing circuitry is further configured to receive a PD-RS removal message indicating removal of an entry for a second PD-RS and remove the entry for the second PD-RS from the PD-RS list in response to receiving the PD-RS removal message.

9. The UE of claim 7, wherein the PD-RS removal message comprises an index for the entry for the second PD-RS.

10. User equipment (UE) comprising:

a receiver component configured to

receive, from an evolved universal terrestrial radio access network (E-UTRAN) node B (eNB), measurement report configuration data comprising an event definition, and

measure a reference signal to determine a signal parameter for the reference signal, the signal parameter for the reference signal comprising a signal strength of the reference signal;

a processor configured to detect an event based on the signal parameter for the reference signal and the event definition, the event indicating a change in the signal parameter for the reference signal; and

a transmission component configured to report, in response to detecting the event, the signal parameter for the reference signal to the eNB.

11. The UE of claim 10, wherein the event definition defines occurrence of the signal parameter for the reference signal exceeding an absolute threshold.

12. The UE of claim 10, wherein the event definition defines occurrence of the signal parameter for the reference signal falling below an absolute threshold when a device corresponding to the reference signal is in device-to-device (D2D) communication with the UE.

13. The UE of claim 10, wherein the event definition defines occurrence of a first signal parameter for the reference signal improving above a second signal parameter for a reference signal of a device that is a member of a D2D group comprising the UE.

14. The UE of claim 10, wherein the event definition defines occurrence of the signal parameter for the reference signal and one or more additional reference signal exceeding an absolute threshold.

15. The UE of claim 10, wherein the processor is further configured to determine that the reference signal corresponds to a device that is engaged in D2D communication with the UE.

16. The UE of claim 10, wherein the measurement report configuration data received by the receiver component further comprises a reporting interval and wherein the measurement report configuration data configures the transmission component to provide a measurement report to the eNB one or more of:

periodically on the reporting interval regardless of whether the event is detected; and

periodically on the reporting interval in response to detecting the event.

17. User equipment (UE) comprising:

a transmission component configured to provide capability information to an evolved universal terrestrial radio access network (E-UTRAN) node B (eNB) indicating that the UE is not capable of simultaneous transmission or reception of additional signals while receiving reference signals;

a receiver component configured to receive a measurement gap pattern from the eNB, the measurement gap pattern comprising a measurement gap; and

a processor to configure, based on the measurement gap pattern, the UE to perform proximity detection measurement on one or more reference signals during the measurement gap, and to prohibit transmission or reception of additional signals during the measurement gap.

18. The UE of claim 17, wherein the measurement gap of the measurement gap pattern occurs on a period greater than a cell reference signal.

19. The UE of claim 17, wherein the measurement gap is shared with one or more of inter-frequency measurement and inter-radio access technology (RAT) measurement.

20. The UE of claim 19, wherein the receiver component further receives prioritization information to prioritize one or more of the proximity detection measurement, the inter-frequency measurement, and the inter-RAT measurement to be performed first by the UE.

21. A method for proximity detection, the method comprising:

providing a measurement capability enquiry to user equipment (UE);

receiving measurement capability information from the UE, the measurement capability information indicating whether the UE is capable of simultaneous transmission and reception of uplink (UL) signals;

providing proximity detection measurement configuration information for configuring proximity detection and reporting at the UE based on the proximity detection measurement configuration information, the measurement configuration information comprising one or more of

a measurement gap pattern,

radio resource configuration information for a reference signal,

an event definition, and

a reporting interval; and

receiving measurement reports from the UE regarding one or more reference signals measured by the UE.

22. The method of claim 21, the method further comprising configuring device-to-device (D2D) communication between the UE and one or more devices corresponding to the one or more PD-RSs based on the received measurement reports.

23. The method of claim 22, wherein configuring D2D communication comprises one or more of establishing D2D communication, modifying D2D communication, and ending D2D communication between the UE and the one or more devices.