Deployment of LTE UL system for arbitrary system bandwidths via PUCCH configuration

• US 8,406,182 B2
• Filed: 05/20/2009
• Issued: 03/26/2013
• Est. Priority Date: 05/21/2008
• Status: Active Grant

• Current Assignee: Nokia Solutions and Networks US LLC (Nokia Corporation)
• Original Assignee: Nokia Solutions and Networks US LLC (Nokia Corporation)
• Inventors: Tiirola, Esa T., Hooli, Kari, Pajukoski, Kari P., Roessel, Sabine
• Primary Examiner(s): Qureshi, Afsar M.
• Application Number:
  US12/454,675
• Publication Number:
  US 20090290549A1
• Time in Patent Office: 1,406 Days
• Field of Search: 370203-468, 375240-351, 455 62- 6714, 455450-522
• US Class Current: 370/329
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/0027 Scheduling of signalling, e.g. occurrence thereof
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0016 Time-frequency-code
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0066 Requirements on out-of-channel emissions
• CPC Class Codes: H04W 72/04 Wireless resource allocation

Abstract

In accordance with an example embodiment of the present invention, there is at least a method, apparatus, and computer program product to perform an over-provisioning of a radio resource including a periodic channel quality indicator resource in a predetermined way, and an allocating of the radio resource in such a manner that at least one of an effective system bandwidth is reduced and out-of-band emissions related to the allocated radio resource are taken into account.

Claims

1. A method comprising:

providing an enhanced allocation of bandwidth for a radio resource comprising an uplink radio resource; and

allocating the radio resource using the enhanced allocation of bandwidth such a predetermined at least one resource block of the radio resource is one of left unused or blanked,

where the uplink radio resource comprises a periodic channel quality indicator resource, and where allocating comprises a pre-determined at least one resource block of the periodic channel quality indicator resource is one of left unused or blanked,

where the periodic channel quality indicator resource comprises at least one of a physical uplink control channel format of a second type, where the providing the enhanced allocation of bandwidth comprises selecting parameters N_RB⁽²⁾ and N_cs⁽¹⁾ such that N_RB⁽²⁾N_sc^RB+(N_sc^RB−

N_cs⁽¹⁾−

2)>

>

(a number of simultaneous resources allocated to the at least one of the physical uplink control channel format of the second type),

where the number of simultaneous resources allocated to the at least one of the physical uplink control channel format of the second type is equal to n_PUCCH⁽²⁾, where n_PUCCH⁽²⁾ is a resource index for resources used for the physical uplink control channel formats of the second type,

where N_sc^RB equals a resource block size in a frequency domain, expressed as a number of subcarriers,

where N_RB⁽²⁾ is a bandwidth reserved for the physical uplink control channel formats of the second type, expressed in multiples of N_sc^RB,

where N_cs⁽¹⁾ is a number of cyclic shifts used for at least one of a physical uplink control channel format of a first type in a mixed resource block, and

where n_PUCCH⁽²⁾ is a resource index for resources used for physical uplink control channel formats of the second type.

2. The method according to claim 1, where the uplink radio resource comprises a physical random access channel resource, and where the at least one of the physical uplink shared channel resource and the physical random access channel resource is allocated where the pre-determined at least one resource block of the periodic channel quality indicator resource is one of left unused or blanked.

3. The method according to claim 1, where the allocating comprises at least one of controlling and selecting a transmission power to be used on the pre-determined at least one resource block in order to minimize out-of-band emissions.

4. The method according to claim 1, where allocating the radio resource comprises allocating the at least one of the physical uplink control channel format of the second type resource, where the allocating is defined by k×

2N_sc^RB, where kε

[0, 1, 2, . . . ], and where unused resources are set to be n_PUCCH⁽²⁾ε

[0, 1, 2, . . . , (k×

2N_sc^RB−

1)].

5. The method according to claim 1, where the periodic channel quality indicator resource comprises allocating the at least one of the physical uplink control channel formats of the second type from a last available physical uplink control channel formats of the second type resource as defined by (N_RB⁽²⁾N_sc^RB+(N_sc^RB−

N_cs⁽¹⁾−

2).

6. The method according to claim 1, where the radio resource comprises a sounding reference signal resource, and where allocating comprises allocating the sounding reference signal resource to overlap with the at least one resource block of the periodic channel quality indicator resource one of left unused or blanked.

7. The method according to claim 1, where the enhanced bandwidth is equal to one of 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHZ or 20 MHz.

8. The method according to claim 1 where the system is a long term evolution system.

9. The method according to claim 1, where the allocating comprises at least one resource block at a spectrum edge of the radio resource is one of left unused or blanked in order to reduce out of band emissions associated with the radio resource.

10. A non-transitory computer readable medium encoded with a computer program executable by a processor to perform the method of claim 1.

11. An apparatus, comprising:

at least one processor; and

at least one memory including computer software, where the at least one memory and the computer software are configured, with the at least one processor, to cause the apparatus to at least;

provide an enhanced allocation of bandwidth for a radio resource comprising an uplink radio resource; and

allocate the radio resource using the enhanced allocation of bandwidth such that a predetermined at least one resource block of the radio resource is one of left unused or blanked,

where the uplink radio resource comprises a periodic channel quality indicator resource, and where allocating comprises a pre-determined at least one resource block of the periodic channel quality indicator resource is one of left unused or blanked,

where the periodic channel quality indicator resource comprises at least one of a physical uplink control channel format of a second type, where the providing the enhanced allocation of bandwidth comprises selecting parameters N_RB⁽²⁾ and N_cs⁽¹⁾ such that N_RB⁽²⁾N_sc^RB+(N_sc^RB−

N_cs⁽¹⁾−

2)>

>

(a number of simultaneous resources allocated to the at least one of the physical uplink control channel format of the second type),

where the number of simultaneous resources allocated to the at least one of the physical uplink control channel format of the second type is equal to n_PUCCH⁽²⁾, where n_PUCCH⁽²⁾ is a resource index for resources used for the physical uplink control channel formats of the second type,

where N_sc^RB equals a resource block size in a frequency domain, expressed as a number of subcarriers,

where N_RB⁽²⁾ is a bandwidth reserved for the physical uplink control channel formats of the second type, expressed in multiples of N_sc^RB,

where N_sc⁽¹⁾ is a number of cyclic shifts used for at least one of a physical uplink control channel format of a first type in a mixed resource block, and

where n_PUCCH⁽²⁾ is a resource index for resources used for physical uplink control channel formats of the second type.

12. The apparatus according to claim 11, where the uplink radio resource comprises a physical random access channel resource, and where the at least one memory including the computer software is configured with the at least one processor to cause the apparatus to allocate the at least one of the physical uplink shared channel resource and the physical random access channel resource to where the pre-determined at least one resource block of the periodic channel quality indicator resource is one of left unused or blanked.

13. The apparatus according to claim 11, where the at least one memory including the computer software is configured with the at least one processor to cause the apparatus to at least one of control and select a transmission power to be used on the pre-determined at least one resource block of the radio resource in order to minimize out-of-band emissions.

14. The apparatus according to claim 11, where the at least one memory including the computer software is configured with the at least one processor to cause the apparatus to allocate the at least one of the physical uplink control channel format of the second type resource, where the allocating is defined by k×

2N_sc^RB, where kε

[0, 1, 2, . . . ], and where unused resources are set to be n_PUCCH⁽²⁾ε

[0, 1, 2, . . . , (k×

2N_sc^RB−

1)].

15. The apparatus according to claim 11, where the at least one memory including the computer software is configured with the at least one processor to cause the apparatus to allocate the at least one of the physical uplink control channel format of the second type from a last available physical uplink control channel format of the second type resource as defined by (N_RB⁽²⁾N_sc^RB+(N_sc^RB−

N_cs⁽¹⁾−

2)).

16. The apparatus according to claim 11, where the radio resource comprises a sounding reference signal resource, and where allocating comprises allocating the sounding reference signal resource to overlap with the at least one resource block of the periodic channel quality indicator resource one of left unused or blanked.

17. The apparatus according to claim 11, where the enhanced bandwidth is equal to one of 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHZ or 20 MHz.

18. The apparatus according to claim 11, where the at least one memory including the computer software is configured with the at least one processor to cause the apparatus to send towards a network interface at least one of a physical uplink shared channel, a physical random access channel, and a sounding reference signal using the enhanced bandwidth for the radio resource corresponding to the periodic channel quality indicator resource.

19. The apparatus of claim 18 embodied in one of a user equipment and a base station.

20. An apparatus, comprising:

means for providing an enhanced bandwidth for a radio resource comprising an uplink radio resource in a predetermined way; and

means, using the enhanced bandwidth, for allocating the radio resource in such a manner that a predetermined at least one resource block of the radio resource is one of left unused or blanked,

where the uplink radio resource comprises a periodic channel quality indicator resource, and where allocating comprises a pre-determined at least one resource block of the periodic channel quality indicator resource is one of left unused or blanked,

where the periodic channel quality indicator resource comprises at least one of a physical uplink control channel format of a second type, where the providing the enhanced allocation of bandwidth comprises selecting parameters N_RB⁽²⁾ and N_cs⁽¹⁾ such that N_RB⁽²⁾N_sc^RB+(N_sc^RB−

N_cs⁽¹⁾−

2)>

>

(a number of simultaneous resources allocated to the at least one of the physical uplink control channel format of the second type), where the number of simultaneous resources allocated to the at least one of the physical uplink control channel format of the second type is equal to n_PUCCH⁽²⁾, where n_PUCCH⁽²⁾ is a resource index for resources used for the physical uplink control channel formats of the second type,

where N_sc^RB equals a resource block size in a frequency domain, expressed as a number of subcarriers,

where N_RB⁽²⁾ is a bandwidth reserved for the physical uplink control channel formats of the second type, expressed in multiples of N_sc^RB,

where N_cs⁽¹⁾ is a number of cyclic shifts used for at least one of a physical uplink control channel format of a first type in a mixed resource block, and

where n_PUCCH⁽²⁾ is a resource index for resources used for physical uplink control channel formats of the second type.

21. An enhanced Node B, comprising:

at least one processor; and

at least one memory including computer software, where the at least one memory and the computer software are configured, with the at least one processor, to cause the enhanced node B to at least;

provide an enhanced allocation of bandwidth for a radio resource comprising an uplink radio resource; and

allocate the radio resource using the enhanced allocation of bandwidth such that a predetermined at least one resource block of the radio resource is one of left unused or blanked,

where the uplink radio resource comprises a periodic channel quality indicator resource, and where allocating comprises a pre-determined at least one resource block of the periodic channel quality indicator resource is one of left unused or blanked,

where the periodic channel quality indicator resource comprises at least one of a physical uplink control channel format of a second type, where the providing the enhanced allocation of bandwidth comprises selecting parameters N_RB⁽²⁾ and N_cs⁽¹⁾ such that N_RB⁽²⁾N_sc^RB+(N_sc^RB−

N_cs⁽¹⁾−

2)>

>

(a number of simultaneous resources allocated to the at least one of the physical uplink control channel format of the second type),

where the number of simultaneous resources allocated to the at least one of the physical uplink control channel format of the second type is equal to n_PUCCH⁽²⁾, where n_PUCCH⁽²⁾ is a resource index for resources used for the physical uplink control channel formats of the second type,

where N_sc^RB equals a resource block size in a frequency domain, expressed as a number of subcarriers,

where N_RB⁽²⁾ is a bandwidth reserved for the physical uplink control channel formats of the second type, expressed in multiples of N_sc^RB,

where N_cs⁽¹⁾ is a number of cyclic shifts used for at least one of a physical uplink control channel format of a first type in a mixed resource block, and

where n_PUCCH⁽²⁾ is a resource index for resources used for physical uplink control channel formats of the second type.