UE-based D2D discovery

• US 9,973,916 B2
• Filed: 12/26/2013
• Issued: 05/15/2018
• Est. Priority Date: 02/22/2013
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Intel IP Corporation (Intel Corporation)
• Inventors: Niu, Huaning, Chatterjee, Debdeep, Xiong, Gang, Li, Qinghua, Yin, Hujun
• Primary Examiner(s): Orgad, Edan
• Assistant Examiner(s): Latorre, Ivan O
• Application Number:
  US14/763,209
• Publication Number:
  US 20150365942A1
• Time in Patent Office: 1,601 Days
• CPC Class Codes: H04L 12/4633 Interconnection of networks using encapsulation techniques, e.g. tunneling
• CPC Class Codes: H04L 2101/677 Multiple interfaces, e.g. multihomed nodes
• CPC Class Codes: H04L 27/2614 Peak power aspects
• CPC Class Codes: H04L 45/30 Routing of multiclass traffic
• CPC Class Codes: H04L 47/11 Identifying congestion
• CPC Class Codes: H04L 47/12 Avoiding congestion; Recovering from congestion
• CPC Class Codes: H04L 61/2514 between local and global IP addresses
• CPC Class Codes: H04L 61/2525 Translation at a client
• CPC Class Codes: H04L 61/2539 Hiding addresses; Keeping addresses anonymous
• CPC Class Codes: H04L 61/2564 for a higher-layer protocol, e.g. for session initiation protocol [SIP]
• CPC Class Codes: H04L 61/2575 using address mapping retrieval, e.g. simple traversal of user datagram protocol through session traversal utilities for NAT [STUN]
• CPC Class Codes: H04L 61/2592 using tunnelling or encapsulation
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/06 Testing, supervising or monitoring using simulated traffic
• CPC Class Codes: H04W 28/02 Traffic management, e.g. flow control or congestion control
• CPC Class Codes: H04W 28/0289 Congestion control load shedding arrangements in network planning H04W16/08; performing reselection for handling the traffic H04W36/22; wireless traffic scheduling H04W72/12
• CPC Class Codes: H04W 28/12 using signalling between network elements
• CPC Class Codes: H04W 36/0088 Scheduling hand-off measurements
• CPC Class Codes: H04W 36/30 by measured or perceived connection quality data
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 4/80 : Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 40/02 : Communication route or path selection, e.g. power-based or shortest path routing
• CPC Class Codes: H04W 40/244 : using a network of reference devices, e.g. beaconing
• CPC Class Codes: H04W 48/08 : Access restriction or access information delivery, e.g. discovery data delivery signalling during connection H04W76/00
• 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 52/0216 : using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 52/028 : switching on or off only a part of the equipment circuit blocks
• CPC Class Codes: H04W 72/02 : Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 72/0446 : Resources in time domain, e.g. slots or frames
• 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 74/002 : Transmission of channel access control information
• CPC Class Codes: H04W 74/02 : Hybrid access
• CPC Class Codes: H04W 74/04 : Scheduled access hybrid access H04W74/02
• CPC Class Codes: H04W 74/08 : Non-scheduled access, e.g. ALOHA hybrid access H04W74/02
• CPC Class Codes: H04W 76/14 : Direct-mode setup
• 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 8/005 : Discovery of network devices, e.g. terminals
• CPC Class Codes: H04W 84/12 : WLAN [Wireless Local Area Networks]
• 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

In one embodiment, the present disclosure provides an evolved Node B (eNB) that includes a device-to-device (D2D) module configured to allocate at least one D2D discovery region including at least one periodic discovery zone, the at least one periodic discovery zone including a first plurality of resource blocks in frequency and a second plurality of subframes in time, the D2D module further configured to configure a User Equipment (UE) to utilize the at least one D2D discovery region for transmitting a discovery packet.

Claims

1. An evolved Node B (eNB) comprising:

device-to-device (D2D) circuitry configured to allocate a plurality of periodic discovery zones for D2D discovery, wherein;

each of the plurality of periodic discovery zones includes a first plurality of resource blocks and a second plurality of subframes;

the D2D circuitry is further configured to configure a User Equipment (UE) to utilize the at least one periodic discovery zone for transmitting a discovery message; and

the plurality of periodic discovery zones are partitioned such that the plurality of periodic discovery zones comprise at least one non-contention based discovery zone that is available to D2D UE'"'"'s in connected mode with an evolved node B, and at least one contention based discovery zone that is available to all D2D UE'"'"'s irrespective of their Radio Resource Control (RRC) connection status; and

transmitter circuitry to signal the partitioning of the plurality of periodic discovery zones;

wherein the D2D circuitry is further to configure a periodicity of the at least one non-contention based discovery zone in a UE specific manner so as to allow transmission of discovery information from only a subset of said D2D UE'"'"'s in connected mode on the at least one non-contention based discovery zone rather than all of said D2D UE'"'"'s in connected mode;

wherein the D2D circuitry is further configured to configure the UE to utilize downlink transmission mode 9 multiple user-multiple input multiple output (DL TM 9 MU-MIMO) for transmitting the discovery message.

2. The eNB of claim 1, wherein the D2D circuitry is configured to partition the plurality of periodic discovery zones using at least one of frequency division multiplexing (FDM) and time division multiplexing (TDM).

3. The eNB of claim 1, wherein the D2D circuitry is further configured to semi-statically signal a partition of the at least one non-contention based discovery zone to the UE using Radio Resource Control (RRC) signaling.

4. The eNB of claim 1, wherein the D2D circuitry is configured to configure the UE to utilize a Slotted Aloha technique for transmitting the discovery message.

5. The eNB of claim 1, wherein the D2D circuitry is further configured to map discovery zone and hopping mechanisms to provide frequency diversity and to facilitate reception of the discovery message by a half-duplex UE.

6. The eNB of claim 1, wherein said D2D circuitry is further configured to select said subset of D2D UE'"'"'s in a connected mode based at least in part on a type of D2D services.

7. The eNB of claim 1, wherein said at least one non-contention based discovery zone comprises a plurality of non-contention based discovery zones, and said periodicity is configured to allow a particular one of said D2D UE'"'"'s in connected mode to transmit discovery information only on a selected one of said plurality of non-contention based discovery zones.

8. A method comprising:

allocating, by an evolved Node B (eNB), a plurality of periodic discovery zones for device-to-device (D2D) discovery, wherein;

each of the plurality of periodic discovery zones includes a first plurality of resource blocks and a second plurality of subframes; and

the plurality of periodic discovery zones are partitioned such that the plurality of periodic discovery zones comprise at least one non-contention based discovery zone that is available to D2D user equipment (UE'"'"'s) that are in connected mode with the eNB, and at least one contention based discovery zone that is available to all D2D UE'"'"'s irrespective of their Radio Resource Control (RRC) connection status;

signaling the partitioning of the plurality of periodic discovery zones; and

configuring, by the eNB, a User Equipment (UE) to utilize at least one of the plurality of periodic discovery zones for transmission of a discovery message;

wherein;

said allocating comprises configuring a periodicity of the at least one non-contention based discovery zone in a UE specific manner so as to allow transmission of discovery information from only a subset of said D2D UE'"'"'s in connected mode on the at least one non-contention based discovery zone rather than all of said D2D UE'"'"'s in connected mode;

the eNB further comprises D2D circuitry; and

the method further comprises;

configuring, by the D2D circuitry, the UE to utilize downlink transmission mode 9 multiple user-multiple input multiple output (DL TM 9 MU-MIMO) for transmitting the discovery message.

9. The method of claim 8, further comprising:

transmitting, by the UE, the discovery message utilizing one of the plurality of periodic discovery zones.

10. The method of claim 8, wherein the eNB further comprises D2 D circuitry and the method further comprises:

partitioning, by the D2 D circuitry, the plurality of periodic discovery zones using at least one of frequency division multiplexing (FDM) and time division multiplexing (TDM).

11. The method of claim 8, wherein signaling the partitioning of the plurality of periodic discovery zones comprises semi- statically signaling a partition of the non-contention based discovery to the UE using Radio Resource Control (RRC) signaling.

12. The method of claim 8, wherein the eNB further comprises D2D circuitry, and the method further comprises, configuring, by the D2D circuitry, the UE to utilize a Slotted Aloha technique for transmitting the discovery message.

13. The method of claim 8, wherein the eNB further comprises D2D circuitry, and the method further comprises:

mapping, by the D2D circuitry discovery zone and hopping mechanisms to provide frequency diversity and to facilitate reception of the discovery packet by a half-duplex UE.

14. The method of claim 8, wherein the eNB further comprises D2D circuitry, and the method further comprises:

allocating, by the D2D circuitry, a portion of each of the plurality of periodic discovery zones according to a cell reuse plan.

15. The method of claim 8, wherein said allocating further comprises selecting said subset of D2D UE'"'"'s in a connected mode based at least in part on a type of D2D services.

16. The method of claim 8, wherein said at least one non-contention based discovery zone comprises a plurality of non-contention based discovery zones, and said allocating comprises configuring said periodicity to allow a particular one of said D2D UE'"'"'s in connected mode to transmit discovery information only on a selected one of said plurality of non-contention based discovery zones.

17. A system comprising, one or more storage mediums having stored thereon, individually or in combination, instructions that when executed by one or more processors result in the following operations comprising:

allocating, by an evolved Node B (eNB), a plurality of periodic discovery zones for device-to-device (D2D) discovery, wherein;

each of the plurality of periodic discovery zones includes a first plurality of resource blocks and a second plurality of subframes; and

the plurality of periodic discovery zones are partitioned such that the plurality of periodic discovery zones comprise at least one non-contention based discovery zone that is available to D2D user equipment (UE'"'"'s) that are in connected mode with the eNB, and at least one contention based discovery zone that is available to all D2D UE'"'"'s irrespective of their Radio Resource Control (RRC) connection status;

signaling the partitioning of the plurality of periodic discovery zones; and

configuring, by the eNB, a User Equipment (UE) to utilize at least one of the plurality of periodic discovery zones for transmission of a discovery message;

wherein;

said allocating comprises configuring a periodicity of the at least one non-contention based discovery zone in a UE specific manner so as to allow transmission of discovery information from only a subset of said D2D UE'"'"'s in connected mode on the at least one non-contention based discovery zone rather than all of said D2D UE'"'"'s in connected mode; and

the D2D discovery circuitry is further configured to utilize downlink transmission mode 9 multiple user- multiple input multiple output (DL TM 9 MU-MIMO) for transmitting the discovery message.

18. The system of claim 17, further comprising the operations of transmitting, by the UE, the discovery message utilizing one of the plurality of periodic discovery zones.

19. The system of claim 17, wherein said allocating further comprises selecting said subset of D2D UE'"'"'s in a connected mode based at least in part on a type of D2D services.

20. The system of claim 17, wherein said at least one non-contention based discovery zone comprises a plurality of non-contention based discovery zones, and said allocating comprises configuring said periodicity to allow a particular one of said D2D UE'"'"'s in connected mode to transmit discovery information only on a selected one of said plurality of non-contention based discovery zones.

21. A User Equipment (UE) comprising:

device-to-device (D2D) discovery circuitry configured to transmit a discovery message utilizing at least one of a plurality of periodic D2D discovery zones;

wherein;

each of the plurality of periodic discovery zones includes a first plurality of resource blocks and a second plurality of subframes;

the plurality of periodic discovery zones are partitioned such that the plurality of periodic discovery zones comprise at least one non-contention based discovery zone that is available to D2D user equipment (UE'"'"'s) that are in connected mode with an evolved node B (eNB), and at least one contention based discovery zone that is available to all D2D UE'"'"'s irrespective of their Radio Resource Control (RRC) connection status;

a periodicity of the at least one non-contention based discovery zone is configured in a UE specific manner so as to allow transmission of discovery information from only a subset of said D2D UE'"'"'s in connected mode on the at least one non-contention based discovery zone rather than all of said D2D UE'"'"'s in connected mode;

wherein the D2D circuitry is further configured to configure the UE to utilize downlink transmission mode 9 multiple user-multiple input multiple output (DL TM 9 MU-MIMO) for transmitting the discovery message.

22. The UE of claim 21, wherein the D2D discovery circuitry is further configured to receive a semi-static signal from an evolved Node B (eNB), the semi-static signal related to a partition of the at least one non-contention-based D2D discovery zone.

23. The UE of claim 21, wherein the D2D discovery circuitry is configured to utilize a Slotted Aloha technique for transmitting the discovery message.

24. The UE of claim 21, wherein the discovery message comprises at least one of a unique identifier, UE status information and a sequence for channel estimation.

25. The UE of claim 21, wherein said D2D circuitry is further configured to select said subset of D2D UE'"'"'s in a connected mode based at least in part on a type of D2D services.

26. The UE of claim 21, wherein said at least one non-contention based discovery zone comprises a plurality of non-contention based discovery zones, and said periodicity is configured to allow a particular one of said D2D UE'"'"'s in connected mode to transmit discovery information only on a selected one of said plurality of non-contention based discovery zones.