Device-to-device (D2D) preamble design

• US 9,414,306 B2
• Filed: 12/26/2013
• Issued: 08/09/2016
• Est. Priority Date: 03/29/2013
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Intel IP Corporation (Intel Corporation)
• Inventors: Han, Seunghee, Khoryaev, Alexey Vladimirovich, Chatterjee, Debdeep
• Primary Examiner(s): Abelson, Ronald B
• Application Number:
  US14/140,823
• Publication Number:
  US 20140321360A1
• Time in Patent Office: 957 Days
• Field of Search: 370/328, 370/329
• US Class Current: 1/1
• CPC Class Codes: H04J 11/00 Orthogonal multiplex systems, e.g. using WALSH codesH04J13/00 takes precedence
• CPC Class Codes: H04J 11/0023 Interference mitigation or co-ordination direct sequence spread spectrum [DSSS] systems H04B1/7097; frequency hopping H04B1/713; allocation criteria for ingress interference avoidance H04L5/0062; frequency allocation criteria for requirements on out-of-channel emissions H04L5/0066; arrangements for removing intersymbol interference or baseband equalisers H04L25/03006; peak power aspects in multicarrier modulation H04L27/2614; power management H04W52/00; traffic scheduling H04W72/54, H04W72/541
• CPC Class Codes: H04J 11/005 of intercell interference
• CPC Class Codes: H04L 1/1671 the supervisory signal being transmitted together with control information
• 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 12/1407 Policy-and-charging control [PCC] architecture
• CPC Class Codes: H04L 43/16 Threshold monitoring
• CPC Class Codes: H04L 47/10 Flow control; Congestion control
• CPC Class Codes: H04L 47/12 Avoiding congestion; Recovering from congestion
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0032 Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
• CPC Class Codes: H04L 5/0033 each allocating device acting autonomously, i.e. without negotiation with other allocating devices
• CPC Class Codes: H04L 5/0044 allocation of payload
• CPC Class Codes: H04L 5/005 of common pilots, i.e. pilots destined for multiple users or terminals
• 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 5/0073 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 65/1016 IP multimedia subsystem [IMS]
• CPC Class Codes: H04L 65/1045 Proxies, e.g. for session initiation protocol [SIP]
• CPC Class Codes: H04L 65/1069 Session establishment or de-establishment
• CPC Class Codes: H04L 65/1073 : Registration or de-registration
• CPC Class Codes: H04L 65/1104 : Session initiation protocol [SIP]
• CPC Class Codes: H04L 65/403 : Arrangements for multi-party communication, e.g. for conferences data switching systems for conference H04L12/18; arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities H04M3/56; television conferencing systems H04N7/15
• 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 65/80 : Responding to QoS
• CPC Class Codes: H04L 67/02 : based on web technology, e.g. hypertext transfer protocol [HTTP]
• 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: H04L 69/08 : Protocols for interworking; Protocol conversion
• CPC Class Codes: H04N 21/4728 : for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
• CPC Class Codes: H04N 21/4788 : communicating with other users, e.g. chatting arrangements for providing for computer conferences, e.g. chat rooms, to substation in data switching networks H04L12/1813; distributed application using peer-to-peer [P2P] networks H04L67/104
• CPC Class Codes: H04N 21/6437 : Real-time Transport Protocol [RTP]
• CPC Class Codes: H04N 7/141 : between two video terminals, e.g. videophone telephonic communication systems combined with television receiver for reception of entertainment or information matter H04M11/085
• CPC Class Codes: H04N 7/147 : Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals selecting H04Q
• CPC Class Codes: H04N 7/15 : Conference systems
• CPC Class Codes: H04W 24/06 : Testing, supervising or monitoring using simulated traffic
• CPC Class Codes: H04W 28/0236 : radio quality, e.g. interference, losses or delay
• 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 4/70 : Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 48/06 : based on traffic conditions
• CPC Class Codes: H04W 48/18 : Selecting a network or a communication service
• 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 52/0216 : using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 52/08 : Closed loop power control
• CPC Class Codes: H04W 52/146 : Uplink power control
• CPC Class Codes: H04W 52/242 : taking into account path loss
• CPC Class Codes: H04W 52/32 : TPC of broadcast or control channels
• CPC Class Codes: H04W 52/325 : Power control of control or pilot channels
• CPC Class Codes: H04W 60/00 : Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
• CPC Class Codes: H04W 68/00 : User notification, e.g. alerting and paging, for incoming communication, change of service or the like
• CPC Class Codes: H04W 68/02 : Arrangements for increasing efficiency of notification or paging channel
• CPC Class Codes: H04W 72/04 : Wireless resource allocation
• CPC Class Codes: H04W 72/044 : based on the type of the allocated resource
• CPC Class Codes: H04W 72/0446 : Resources in time domain, e.g. slots or frames
• 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 72/52 : based on load
• CPC Class Codes: H04W 72/542 : using measured or perceived quality
• CPC Class Codes: H04W 76/14 : Direct-mode setup
• CPC Class Codes: H04W 76/18 : Management of setup rejection or failure
• 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 76/38 : triggered by timers
• CPC Class Codes: H04W 8/005 : Discovery of network devices, e.g. terminals
• CPC Class Codes: H04W 8/22 : Processing or transfer of terminal data, e.g. status or physical capabilities
• 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: Y02D 30/70 : in wireless communication networks

Abstract

This application discusses, among other things, methods and apparatus for providing more efficient ways to enable D2D discovery and D2D communication simultaneously. In an example, a method can include assembling device-to device (D2D) discovery data at a wireless device, assembling D2D communication data at the wireless device, assembling a D2D preamble including the discovery data and the communication data, and transmitting the D2D preamble using a wireless transmitter of the wireless device.

Claims

1. A method comprising:

assembling device-to device (D2D) discovery data at a wireless device;

assembling D2D communication data at thewireless device;

superimposing the D2D discovery data and the D2D communication data across a plurality of subcarriers of a symbol to provide at least a portion of a D2D preamble; and

transmitting the D2D preamble using a wirdess transmitter of the wireless device.

2. The method of claim 1, wherein assembling the D2D discovery data includes assembling the D2D discovery data using at least a portion of a first orthogonal frequency-division multiplexing (OFDM) symbol.

3. The method of claim 2, wherein assembling the D2D discovery data includes assembling the D2D discovery data using at least a portion of a second OFDM symbol.

4. The method of claim 1, wherein assembling the D2D preamble include multiplexing the D2D discovery data and the D2D communication data in a time domain.

5. The method of claim 4, wherein a bandwidth of the D2D discovery data is equal to a bandwidth of the D2D communication data.

6. The method of claim 1, wherein transmitting the D2D preamble includes transmitting the D2D discovery data before transmitting the D2D communication data.

7. The method of claim 1, wherein transmitting the D2D preamble include transmitting the D2D communication data before transmitting the D2D discovery data.

8. The method of claim 1, wherein assembling the D2D preamble includes multiplexing the D2D discovery data and the D2D communication data in a frequency domain.

9. The method of claim 1, wherein the symbol includes an orthogonal frequency-division multiplexing (OFDM) symbol.

10. The method of claim 1, wherein the symbol includes a single-carrier frequency-division multiple access (SC-FDMA) symbol.

18. The method of claim 1, wherein transmitting the D2Dpreamble includes transmitting the D2D preamble using a random back-off delay.

11. A non-transitory computer-readable storage medium that stores instructions for execution by one or more processors to perform operations for communication by a wireless device, the operations to configure the one or more processors to:

assemble device-to device (D2D) discovery data at a wireless device;

assemble D2D communication data at the wireless device;

superimpose the D2D discovery data and the D2D communication data across a plurality of subcarriers of a symbol to provide at least a portion of a D2D preamble; and

transmit the D2D preamble using a wireless transmitter of the wireless device.

17. The non-transitory computer-readable storage medium of claim 11, the operations further configure the processor to transmit the D2D preamble using a random back-off delay.

12. A portable wireless device comprising:

a processor configured to provide a D2D discovery part of a D2D preamble and a D2D communication part of the D2D preamble, wherein the processor is configured superimpose the D2D discovery part and the D2D communication part across a plurality of suhcarriers of a symbol;

an antenna; and

a transmitter configured to transmit the D2D preamble using the antenna, wherein the D2D preamble includes both the D2D discovery part and the D2D communication part.

13. The portable wireless device of claim 12, wherein at least a portion of a first orthogonal frequency -division multiplexing (OFDM) symbol of the D2D preamble includes at least a first portion of the D2D discovery part.

14. The portable wireless device of claim 13, wherein at least a portion of a second orthogonal frequency-division multiplexing (OFDM)symbol of the D2D preamble includes at least a second portion of the D2D discovery part.

15. The portable wireless device of claim 12, wherein the D2D preamble includes the D2D discovery part time-domain multiplexed with the D2D communication part.

16. The portable wireless device of claim 12, wherein the D2D preamble includes the D2D discovery part frequency-domain multiplexed with the D2D communication part.

19. The portable wireless device of claim 12, wherein the transmitter is configured to transmit the D2D preamble using a random back-off delay.