Hybrid reference signals for wireless communication

• US 10,306,589 B2
• Filed: 12/12/2013
• Issued: 05/28/2019
• Est. Priority Date: 04/26/2013
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Intel IP Corporation (Intel Corporation)
• Inventors: Tang, Yang, Fwu, Jong-Kae, Hsuan, Yi, Han, Seunghee
• Primary Examiner(s): Holliday, Jaime M
• Application Number:
  US14/778,037
• Publication Number:
  US 20160294514A1
• Time in Patent Office: 1,993 Days
• 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 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 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

Embodiments of the present disclosure describe systems and methods for hybrid reference signal transmission in wireless communication. In some embodiments, an apparatus may include assignment logic to assign indices to a first set and a second set; identification logic to identify resource elements for a hybrid reference signal in accordance with a first rule for each index in the first set and in accordance with a second rule for each index in the second set, the second rule different from the first rule; and transmission logic to provide the hybrid reference signal for wireless transmission using a common transmission mode in the identified resource elements. Other embodiments may be described and/or claimed.

Claims

1. An apparatus for providing a hybrid reference signal for wireless communication, comprising:

assignment logic to;

assign indices to a first set of resource blocks and a second set of resource blocks;

assign indices to a third set of resource blocks and a fourth set of resource blocks in response to a determination that a noise measure violates a predetermined threshold, the third set different from the first set, the fourth set different from the second set identification logic to;

identify resource elements for the hybrid reference signal, wherein identification of the resource elements includes to;

apply a first rule to each index assigned to the first set to identify a first portion of the resource elements; and

apply a second rule to each index assigned to the second set to identify a second portion of the resource elements, the second rule different from the first rule; and

identify resource elements for a second hybrid reference signal in accordance with the first rule for each index assigned to the third set and in accordance with the second rule for each index assigned to the fourth set and transmission logic to;

provide the hybrid reference signal for wireless transmission using a first common transmission mode in the identified resource elements, wherein assignment of the indices to the third set of resource blocks and the fourth set of resource blocks occurs after provision of the hybrid reference signal for wireless transmission using the first common transmission mode in the identified resource elements;

provide the second hybrid reference signal for wireless transmission using a second common transmission mode in the identified resource elements,

wherein a density of portions of the hybrid reference signal transmitted by resource elements associated with the indices assigned to the first set of resource blocks is different than a density of portions of the hybrid reference signal transmitted by resource elements associated with the indices assigned to the second set of resource blocks, and the transmission logic is further to provide an indicator as to whether an antenna port that is to provide the hybrid reference signal is quasi co-located with an antenna port that is to provide another reference signal.

2. The apparatus of claim 1, wherein the first rule identifies one resource element per slot of a radio frame, and the second rule identifies one resource element per subframe of a radio frame.

3. The apparatus of claim 1, wherein the indices assigned to the second set of resource blocks comprise a plurality of contiguous indices.

4. The apparatus of claim 1, wherein:

to provide the hybrid reference signal for wireless transmission using first common transmission mode in the identified resource elements comprises to provide the hybrid reference signal for wireless transmission using the first common transmission mode in the identified resource elements via a first antenna; and

the transmission logic is further to provide the second hybrid reference signal for wireless transmission using the second common transmission mode in the identified resource elements via a second antenna different from the first antenna.

5. The apparatus of claim 1 wherein the indices assigned to the third set of resource blocks are different from the indices assigned to the first set of resource blocks.

6. The apparatus of claim 1 wherein the assignment logic is to assign indices to the third set and the fourth set in response to a determination that the apparatus is to operate in a coordinated multipoint mode.

7. The apparatus of claim 1, wherein the indicator is a first indicator and the transmission logic is further to provide a second indicator of the indices assigned to the first set of resource blocks and the indices assigned to the second set of resource blocks for transmission to a user equipment.

8. The apparatus of claim 1, wherein the other reference signal is a demodulation reference signal (DMRS) in accordance with Third Generation Partnership Project Long Term Evolution protocol, and wherein the indicator indicates that the antenna port that is to provide the DMRS is not quasi co-located with the antenna port that is to provide the hybrid reference signal.

9. One or more non-transitory, computer readable media having instructions thereon which, when executed by one or more processing devices of a computing device, cause the computing device to:

assign indices to a first set of resource blocks and a second set of resource blocks;

identify a first portion of resource elements for a hybrid reference signal in accordance with a first rule being applied to each index in the first set; and

identify a second portion of the resource elements for the hybrid reference signal in accordance with a second rule being applied to each index in the second set, wherein the second rule is different from the first rule and a different number of resource elements are identified for each index in accordance with the second rule than are identified for each index in accordance with the first rule,

wherein a density of portions of the hybrid reference signal transmitted by the first portion of the resource elements associated with the first set of resource blocks is different than a density of portions of the hybrid reference signal transmitted by the second portion of the resource elements associated with the second set of resource blocks, and a transmission logic is further to provide an indicator as to whether a first antenna port that is to provide the hybrid reference signal is quasi co-located with a second antenna port that is to provide another reference signal, wherein the other reference signal is a demodulation reference signal (DMRS) in accordance with Third Generation Partnership Project Long Term Evolution protocol, and wherein the indicator indicates that the second antenna port is not quasi co-located with the first antenna port.

10. The one or more non-transitory, computer readable media of claim 9, wherein the first rule identifies one resource element per slot of a radio frame, and the second rule identifies one resource element per subframe of a radio frame.

11. The one or more non-transitory, computer readable media of claim 9, wherein the indices assigned to the second set of resource blocks comprise a plurality of contiguous indices.

12. The one or more non-transitory, computer readable media of claim 9, wherein the hybrid reference signal is to be provided via a first antenna, and further having instructions thereon which, when executed by the one or more processing devices of the computing device, cause the computing device to:

assign indices to a third set of resource blocks and a fourth set of resource blocks;

identify resource elements for a second hybrid reference signal in accordance with the first rule for each index in the third set; and

identify resource elements for the second hybrid reference signal in accordance with the second rule for each index in the fourth set;

wherein the second hybrid reference signal is to be provided via a second antenna different from the first antenna.

13. The one or more non-transitory, computer readable media of claim 12, wherein the indices assigned to the third set of resource blocks is different from the indices assigned to the first set of resource blocks.

14. The one or more non-transitory, computer readable media of claim 9, further having instructions thereon which, when executed by the one or more processing devices of the computing device, cause the computing device to:

after identification of the resource elements for the hybrid reference signal based on the first set and second set, assign indices to a third set of resource blocks and a fourth set of resource blocks, the indices assigned to the third set different from the indices assigned to the first set and the indices assigned to the fourth set different from the indices assigned to the second set;

identify a first portion of resource elements for a second hybrid reference signal in accordance with the first rule for each index assigned to the third set; and

identify a second portion of the resource elements for the second hybrid reference signal in accordance with the second rule for each index assigned to the fourth set, the second rule different from the first rule.

15. The one or more non-transitory, computer readable media of claim 14, wherein the indices assigned to the third set of resource blocks and the indices assigned to the fourth set of resource blocks are identified in response to determining, by the computing device, that a noise measure violates a predetermined threshold.

16. The one or more non-transitory, computer readable media of claim 14 wherein the indices assigned to the third set of resource blocks and the indices assigned to the fourth set of resource blocks are identified in response to determining, by the computing device, that the computing device is to operate in a coordinated multipoint mode.

17. The one or more non-transitory, computer readable media of claim 9, wherein the indicator is a first indicator and the media further includes instructions thereon which, when executed by the one or more processing devices of the computing device, cause the computing device to:

provide a second indicator of the indices assigned to the first set of resource blocks and the indices assigned to the second set of resource blocks for transmission to a user equipment.

18. An apparatus for receiving a hybrid reference signal, comprising:

assignment logic to assign indices to a first set of resource blocks and a second set of resource blocks;

identification logic to identify resource elements for the hybrid reference signal in accordance with a first rule being applied to each index assigned to the first set and in accordance with a second rule being applied to each index assigned to the second set, the second rule different from the first rule, wherein a different number of resource elements are identified for each index in accordance with the second rule than are identified for each index in accordance with the first rule;

reception logic to;

receive the hybrid reference signal in a common transmission mode in the identified resource elements, wherein a density of portions of the hybrid reference signal received by resource elements associated with the first set of resource blocks is different than a density of portions of the hybrid reference signal transmitted received by resource elements associated with the second set of resource blocks; and

receive an indicator as to whether a first antenna port from which the hybrid reference signal is received is quasi co-located with a second antenna port from which another reference signal is to be received, wherein the other reference signal is a demodulation reference signal (DMRS) in accordance with Third Generation Partnership Project Long Term Evolution protocol, and wherein the indicator indicates that the second antenna port is not quasi co-located with the first antenna port; and

hybrid reference signal processing logic to process the hybrid reference signal and the indicator.

19. The apparatus of claim 18, wherein the first rule identifies one resource element per slot of a radio frame, and the second rule identifies one resource element per subframe of a radio frame.

20. The apparatus of claim 18, wherein the common transmission mode is a first common transmission mode, and wherein:

the assignment logic is further to, after reception of the hybrid reference signal using a common transmission mode in the identified resource elements, assign indices to a third set of resource blocks and a fourth set of resource blocks, the indices assigned to the third set different from the indices assigned to the first set, the indices assigned to the fourth set different from the indices assigned to the second set;

the identification logic is further to identify resource elements for a second hybrid reference signal in accordance with the first rule being applied to each index assigned to the third set and in accordance with the second rule being applied to each index assigned to the fourth set; and

the reception logic is further to receive the second hybrid reference signal using a second common transmission mode in the identified resource elements for the second hybrid reference signal.