Granted Patent B2

US 9,143,215 · App. 13/572,351 · Granted Sep 22, 2015

Abstract

Claims (52)

1. A user equipment (UE) device for use in a wireless communication network, wherein the UE device is configured to use transmit diversity, the UE device comprising:

a processor; and

a wireless network connectivity interface,

wherein the processor and wireless network connectivity interface are configured to:

select a first uplink orthogonal resource and a second uplink orthogonal resource, respectively, from a plurality of uplink orthogonal resources according to a state of information bits to be transmitted by the UE device to an access node, the first uplink orthogonal resource and the second uplink orthogonal resource being different for at least one of a plurality of states of the information bits, wherein the plurality uplink orthogonal resources indicate physical uplink control channel resources;

select a first modulation symbol and a second modulation symbol according to the state of the information bits, the first modulation symbol and the second modulation symbol being different for at least one of the plurality of the states of the information bits, wherein the first and second modulation symbol are selected to be non-time-varying;

transmit a reference symbol and the first modulation symbol on the first uplink orthogonal resource and the second uplink orthogonal resource, respectively, on a first antenna; and

transmit the first modulation symbol and the second modulation symbol on the first antenna and a second antenna, respectively.

2. The device of claim 1 , wherein the processor and wireless network connectivity interface are further configured to:

select a third uplink orthogonal resource from the plurality of uplink orthogonal resources according to the state of information bits to be communicated by the UE device, and

transmit the second modulation symbol on the third uplink orthogonal resource on the second antenna.

3. The device of claim 1 , wherein the first modulation symbol is transmitted in all slots of a subframe, and the second modulation symbol is transmitted in all slots of the subframe.

4. The device of claim 1 , wherein, when the first modulation symbol is antipodal to a third modulation symbol, the second modulation symbol and a fourth modulation symbol being in quadrature, and wherein the first modulation symbol and second modulation symbol are transmitted for a first state of the information bits, the third modulation symbol is transmitted on the first antenna for a second state of the information bits, and the fourth modulation symbol is transmitted on the second antenna for the second state of information bits.

5. A method of operating a user equipment (UE) device in a wireless communication network, wherein the UE device is configured to use transmit diversity, the method comprising:

selecting a first uplink orthogonal resource and a second uplink orthogonal resource, respectively, from a plurality of uplink orthogonal resources according to a state of information bits to be transmitted by the UE device to an access node, the first uplink orthogonal resource and the second uplink orthogonal resource being different for at least one of a plurality of states of the information bits, wherein the plurality uplink orthogonal resources indicate physical uplink control channel resources;

selecting a first modulation symbol and a second modulation symbol according to the state of the information bits, the first modulation symbol and the second modulation symbol being different for at least one of the plurality of the states of the information bits, wherein the first and second modulation symbol are selected to be non-time-varying;

transmitting a reference symbol and the first modulation symbol on the first uplink orthogonal resource and the second uplink orthogonal resource, respectively, on a first antenna; and

transmitting the first modulation symbol and the second modulation symbol on the first antenna and a second antenna, respectively.

6. The method of claim 5 , further comprising:

selecting a third uplink orthogonal resource from the plurality of uplink orthogonal resources according to the state of information bits to be communicated by the UE device, and

transmitting the second modulation symbol on the third uplink orthogonal resource on the second antenna.

7. The method of claim 5 , wherein the first modulation symbol is transmitted in all slots of a subframe, and the second modulation symbol is transmitted in all slots of the subframe.

8. The method of claim 5 , wherein, when the first modulation symbol is antipodal to a third modulation symbol, the second modulation symbol and a fourth modulation symbol being in quadrature, and wherein the first modulation symbol and second modulation symbol are transmitted for a first state of the information bits, the third modulation symbol is transmitted on the first antenna for a second state of the information bits, and the fourth modulation symbol is transmitted on the second antenna for the second state of information bits.

9. An access node comprising:

a processor; and

a wireless network connectivity interface,

wherein the processor and wireless network connectivity interface are configured to:

allocate a plurality of uplink orthogonal resources to a user equipment (UE) device transmitting on multiple antennas for use in a first symbol instant, wherein the plurality uplink orthogonal resources indicate physical uplink control channel resources;

receive a first reference symbol on a first uplink orthogonal resource of the plurality of uplink orthogonal resources and a first modulation symbol on a second uplink orthogonal resource of the plurality of uplink orthogonal resources, the first uplink orthogonal resource and the second uplink orthogonal resource being transmitted from a first antenna of the UE device, and the first orthogonal resource and the second orthogonal resource being different for at least one of a plurality of states of the information bits;

receive a second modulation symbol, the first modulation symbol and the second modulation symbol being different for at least one of the plurality of the states of the information bits, and the first and second modulation symbol being non-time-varying; and

determine a state of information bits transmitted by the UE based on the first uplink orthogonal resource, the second uplink orthogonal resource, the first modulation symbol and the second modulation symbol;

wherein the second modulation symbol is transmitted from a second antenna of the UE device.

10. The access node of claim 9 , wherein the processor and wireless network connectivity interface are further configured to:

allocate a third uplink orthogonal resource from the plurality of uplink orthogonal resources; and

receive the third uplink orthogonal resource of the plurality of uplink orthogonal resources, the third uplink orthogonal resource being selected according to the state of information bits to be communicated by the UE device,

wherein the second modulation symbol is transmitted on the third uplink orthogonal resource on the second antenna of the UE device.

11. The access node of claim 9 , wherein the first uplink orthogonal resource and the second uplink orthogonal resource are both in the same physical resource block.

12. The access node of claim 9 , wherein the first modulation symbol is the same in all slots of a subframe, and the second modulation symbol is the same in all slots of the subframe.

13. The access node of claim 9 , wherein, when the first modulation symbol is antipodal to a third modulation symbol, the second modulation symbol and a fourth modulation symbol being in quadrature, and wherein the first and second modulation symbols are mapped to a first state of the information bits, a third and the fourth modulation symbols mapped to a second state of the information bits, and the third and fourth modulation symbols are transmitted on the first and second antennas of the UE device, respectively.

14. A method at an access node comprising:

allocating a plurality of orthogonal resources to a user equipment (UE) device transmitting on multiple antennas for use in a first symbol instant, wherein the plurality uplink orthogonal resources indicate physical uplink control channel resources;

receiving a first reference symbol on a first uplink orthogonal resource of the plurality of uplink orthogonal resources and a first modulation symbol on a second uplink orthogonal resource of the plurality of uplink orthogonal resources, the first uplink orthogonal resource and the second uplink orthogonal resource being transmitted from a first antenna of the UE device, and the first orthogonal resource and the second orthogonal resource being different for at least one of a plurality of states of the information bits;

receiving a second modulation symbol, the first modulation symbol and the second modulation symbol being different for at least one of the plurality of the states of the information bits, and the first and second modulation symbol being non-time-varying; and

determining a state of information bits transmitted by the UE based on the first uplink orthogonal resource, the second uplink orthogonal resource, the first modulation symbol and the second modulation symbol;

wherein the second modulation symbol is transmitted from a second antenna of the UE device.

15. The method of claim 14 , further comprising:

allocating a third uplink orthogonal resource from the plurality of uplink orthogonal resources; and

receiving the third uplink orthogonal resource of the plurality of uplink orthogonal resources, the third uplink orthogonal resource being selected according to the state of information bits to be communicated by the UE device,

wherein the second modulation symbol is transmitted on the third uplink orthogonal resource on the second antenna of the UE device.

16. The method of claim 14 , wherein the first uplink orthogonal resource and the second uplink orthogonal resource are both in the same physical resource block.

17. The method of claim 14 , wherein the first modulation symbol is the same in all slots of a subframe, and the second modulation symbol is the same in all slots of the subframe.

18. The method of claim 14 , wherein, when the first modulation symbol is antipodal to a third modulation symbol, the second modulation symbol and a fourth modulation symbol being in quadrature, and wherein the first and second modulation symbols are mapped to a first state of the information bits, a third and the fourth modulation symbols mapped to a second state of the information bits, and the third and fourth modulation symbols are transmitted on the first and second antennas of the UE device, respectively.

Assignments (9)