Coverage boosting transmission method for LTE technology

• US 9,585,075 B2
• Filed: 10/18/2013
• Issued: 02/28/2017
• Est. Priority Date: 11/01/2012
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Intel Corporation
• Inventors: Khoryaev, Alexey, Chervyakov, Andrey, Fwu, Jong-Kae, Panteleev, Sergey
• Primary Examiner(s): Sheikh, Ayaz
• Assistant Examiner(s): Ghafoerkhan, Faiyazkhan
• Application Number:
  US14/124,964
• Publication Number:
  US 20140286302A1
• Time in Patent Office: 1,229 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04B 7/0417 Feedback systems
• CPC Class Codes: H04B 7/0452 Multi-user MIMO systems
• CPC Class Codes: H04B 7/0626 Channel coefficients, e.g. channel state information [CSI]
• 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 3/0614 the synchronising signal being characterised by the amplitude, duration or polarity
• CPC Class Codes: H04L 1/0027 Scheduling of signalling, e.g. occurrence thereof
• CPC Class Codes: H04L 2101/375 Access point names [APN]
• CPC Class Codes: H04L 5/0046 Determination of how many bits are transmitted on different sub-channels
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/006 Quality of the received signal, e.g. BER, SNR, water filling
• CPC Class Codes: H04L 61/3005 Mechanisms for avoiding name conflicts
• CPC Class Codes: H04L 67/104 Peer-to-peer [P2P] networks
• CPC Class Codes: H04W 16/20 for indoor coverage or short range network deployment
• CPC Class Codes: H04W 16/24 Cell structures
• CPC Class Codes: H04W 16/26 Cell enhancers or enhancement, e.g. for tunnels, building shadow
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/04 Arrangements for maintaining 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 28/0268 : 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 28/04 : Error control
• CPC Class Codes: H04W 28/24 : Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
• CPC Class Codes: H04W 36/14 : Reselecting a network or an air interface
• CPC Class Codes: H04W 36/20 : for optimising the interference level
• CPC Class Codes: H04W 4/70 : Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 52/0216 : using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 52/0235 : where the received signal is a power saving command
• CPC Class Codes: H04W 60/04 : using triggered events
• CPC Class Codes: H04W 64/003 : locating network equipment
• 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 72/54 : based on quality criteria
• CPC Class Codes: H04W 72/542 : using measured or perceived quality
• CPC Class Codes: H04W 72/563 : of the wireless resources
• CPC Class Codes: H04W 74/0858 : collision detection
• CPC Class Codes: H04W 76/14 : Direct-mode setup
• 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 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 88/16 : Gateway arrangements
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

Embodiments for boosting coverage of wireless signals are generally described herein. A wireless communication device for boosting coverage of wireless signals may include a processor arranged to configure resource blocks for a sub-frame for transmitting data in a communication session, wherein the sub-frame includes at least one slot formed by a matrix of sub-carriers in the frequency domain and symbols in the time domain and a transceiver, coupled to the processor, the transceiver being arranged to establish communication with entities in a network, the transceiver being further arranged to, under direction of the processor, map modulated symbols to at least a partial resource block to form a coverage boosting resource unit, the coverage boosting resource unit spreading at least one data bit over at least the partial resource block.

Claims

1. A wireless communication device for boosting coverage of wireless signals, comprising:

a processor arranged to configure resource blocks for a sub-frame for transmitting data in a communication session, wherein the sub-frame includes at least one slot formed by a matrix of sub-carriers in a frequency domain and symbols in a time domain; and

a transceiver, coupled to the processor, the transceiver being arranged to establish communication with entities in a network, the transceiver being further arranged to, under direction of the processor, map modulated symbols to at least a partial resource block to form a coverage boosting resource unit, the coverage boosting resource unit spreading at least one data bit, each data bit that is spread being spread over a plurality of resource elements or a plurality of resource blocks of the at least the partial resource block,

wherein the map modulated symbols to the at least partial resource block to form the coverage boosting resource unit further includes mapping modulated symbols in a lean carrier that includes a minimized control channel and reference signal overhead to increase resource utilization and to reduce interference to increase spectral efficiency and reduce energy consumption.

2. The wireless communication device of claim 1, wherein the at least partial resource block comprises one resource block in the at least one slot.

3. The wireless communication device of claim 1, wherein the at least partial resource block comprises a first resource block in a first of the at least one slot and a second resource block in a second of the at least one slot.

4. The wireless communication device of claim 1, wherein the at least partial resource block comprises a first resource block in a first of the at least one slot and a second resource block in the first of the at least one slot.

5. The wireless communication device of claim 1, wherein the at least partial resource block comprises a plurality of first resource blocks in a first of the at least one slot and a plurality of second resource blocks in a second of the at least one slot.

6. The wireless communication device of claim 1, wherein the transceiver comprises:

a code block arranged to receive data and to produce bits of encoded data,

a modulator arranged to process the encoded data and to generate modulated symbols, and

a coverage boosting resource unit mapper arranged to receive the modulated symbols and to map the modulated symbols to sub-carriers and symbols in the at least the partial resource block.

7. The wireless communication device of claim 1, wherein the at least partial resource block includes N_sc sub-carriers, each subcarrier comprising N_symb symbols.

8. The wireless communication device of claim 1, wherein the coverage boosting resource unit comprises narrow bandwidth device regions (NBDRs) arranged to allow operation of narrow bandwidth machine type communication (MTC) terminals in a wide bandwidth system.

9. The wireless communication device of claim 1, wherein the at least partial resource block comprises a plurality of coverage boosting resource units spanning N_SF sub-frames over N_F frames to form one allocation for transmission of one information message.

10. The wireless communication device of claim 1, wherein the coverage boosting resource unit further includes a preconfigured reference signal arranged to perform channel estimation and signal synchronization tasks.

11. A method for boosting coverage of wireless signals, comprising:

configuring, by a processor, resource blocks for a sub-frame for transmitting data in a communication session, wherein the sub-frame includes at least one slot formed by a matrix of sub-carriers in a frequency domain and symbols in a time domain; and

mapping, by a transceiver under direction of the processor, modulated symbols to at least a partial resource block to form a coverage boosting resource unit, the coverage boosting resource unit spreading at least one data bit over the at least the partial resource block,

wherein the mapping modulated symbols to the at least partial resource block to form the coverage boosting resource unit further includes mapping modulated symbols in a lean carrier that includes a minimized control channel and reference signal overhead to increase resource utilization and to reduce interference to increase spectral efficiency and reduce energy consumption.

12. The method of claim 11, wherein the mapping modulated symbols to at least the partial resource block comprises mapping modulated symbols to one resource block in the at least one slot.

13. The method of claim 11, wherein the mapping modulated symbols to at least the partial resource block comprises mapping modulated symbols to a first resource block in a first of the at least one slot and a second resource block in a second of the at least one slot.

14. The method of claim 11, wherein the mapping modulated symbols to at least the partial resource block comprises mapping modulated symbols to a first resource block in a first of the at least one slot and a second resource block in the first of the at least one slot.

15. The method of claim 11, wherein the mapping modulated symbols to at least the partial resource block comprises mapping modulated symbols to a plurality of first resource blocks in a first of the at least one slot and a plurality of second resource blocks in a second of the at least one slot.

16. The method of claim 11, wherein the mapping modulated symbols further comprises:

receiving data at a code block arranged to produce bits of encoded data,

receiving the encoded data at a modulator arranged to modulate the encoded data to generate modulated symbols, and

mapping, by a coverage boosting resource unit mapper, the modulated symbols to sub-carriers and symbols in the at least the partial resource block,

wherein modulating the encoded data comprises modulating the encoded data using code division multiple access.

17. The method of claim 11, wherein the mapping modulated symbols to the at least partial resource block further comprises mapping the modulated symbols to N_sc sub-carriers, each subcarrier comprising N_symb symbols.

18. The method of claim 11, wherein the mapping modulated symbols to the at least partial resource block to form the coverage boosting resource unit further includes forming narrow bandwidth device regions (NBDRs) to allow operation of narrow bandwidth machine type communication (MTC) terminals in a wide bandwidth system.

19. The method of claim 11, wherein the mapping the modulated symbols to the at least partial resource block to form the coverage boosting resource unit comprises mapping the modulated symbols to the at least partial resource block to form a plurality of coverage boosting resource units spanning N_SF sub-frames over N_F frames to form one allocation for transmission of one information message.

20. The method of claim 11, wherein the mapping modulated symbols to the at least partial resource block to form the coverage boosting resource unit further includes forming a preconfigured reference signal arranged to perform channel estimation and signal synchronization tasks.

21. At least one non-transitory machine readable medium comprising instructions that, when executed by the machine, cause the machine to perform operations for boosting coverage of wireless signals, the operations comprising:

configuring, by a processor, resource blocks for a sub-frame for transmitting data in a communication session, wherein the sub-frame includes at least one slot formed by a matrix of sub-carriers in a frequency domain and symbols in a time domain; and

mapping, by a transceiver under direction of the processor, modulated symbols to at least a partial resource block to form a coverage boosting resource unit, the coverage boosting resource unit spreading at least one data bit over the at least the partial resource block,

wherein the mapping modulated symbols to at least the partial resource block comprises selecting at least one from a group consisting of;

mapping modulated symbols to one resource block in the at least one slot; and

mapping modulated symbols to a first resource block in a first of the at least one slot and a second resource block in a second of the at least one slot; and

mapping modulated symbols to a first resource block in a first of the at least one slot and a second resource block in the first of the at least one slot; and

mapping modulated symbols to a plurality of first resource blocks in a first of the at least one slot and a plurality of second resource blocks in a second of the at least one slot.

22. The at least one non-transitory machine readable medium of claim 21, wherein the mapping modulated symbols further comprises:

receiving data at a code block arranged to produce bits of encoded data,

receiving the encoded data at a modulator arranged to modulate the encoded data to generate modulated symbols, and

mapping, by a coverage boosting resource unit mapper, the modulated symbols to sub carriers and symbols in the at least the partial resource block.

23. At least one non-transitory machine readable medium comprising instructions that, when executed by the machine, cause the machine to perform operations for boosting coverage of wireless signals, the operations comprising:

configuring, by a processor, resource blocks for a sub-frame for transmitting data in a communication session, wherein the sub-frame includes at least one slot formed by a matrix of sub-carriers in a frequency domain and symbols in a time domain; and

mapping, by a transceiver under direction of the processor, modulated symbols to at least a partial resource block to form a coverage boosting resource unit, the coverage boosting resource unit spreading at least one data bit over the at least the partial resource block, wherein the mapping modulated symbols to at least the partial resource block comprises selecting at least one from a group consisting of;

mapping the modulated symbols to N_sc sub-carriers, each subcarrier comprising N_symb symbols;

forming narrow bandwidth device regions (NBDRs) in the at least partial resource block to allow operation of narrow bandwidth machine type communication (MTC) terminals in a wide bandwidth system;

mapping the modulated symbols to the at least partial resource block to form a plurality of coverage boosting resource units spanning N_SF sub-frames over N_F frames to form one allocation for transmission of one information message;

including a preconfigured reference signal arranged to perform channel estimation and signal synchronization tasks; and

mapping modulated symbols in a lean carrier that includes a minimized control channel and reference signal overhead to increase resource utilization and to reduce interference to increase spectral efficiency and reduce energy consumption.