Granted Patent B2

US 8,917,586 · App. 13/248,638 · Granted Dec 23, 2014

Abstract

Claims (127)

1. A method of allocating orthogonal resources of a wireless communication network to a user equipment (UE) that uses transmit diversity, wherein the UE is configured to transmit a reference symbol and a modulated symbol on multiple orthogonal resources on an antenna, the method comprising:

selecting, by the UE, a first and a second orthogonal resource, respectively, from a plurality of orthogonal resources according to the state of information bits to be communicated by the UE;

transmitting, by the UE, the reference and data symbols on the first and the second orthogonal resource, respectively, on one antenna;

wherein the first and the second resource are different for at least one of the states of the information bits; and

wherein the first and the second resource are both in the same physical resource block.

2. The method of claim 1 , wherein:

the plurality of orthogonal resources includes a first set of orthogonal resources and a second set of orthogonal resources;

wherein, for each combination of information bits, selecting the first and the second orthogonal resource comprises selecting the first and the second orthogonal resources from only one of the first set of orthogonal resources and the second set of orthogonal resources.

3. The method of claim 1 , further comprising:

receiving, by the UE, an indication of a first set of orthogonal resources; and

receiving, by the UE, a downlink control channel

wherein:

the plurality of orthogonal resources includes a set of mapped orthogonal resources and the first set of orthogonal resources;

the downlink control channel occupies a control channel element; and

the set of mapped orthogonal resources is determined in response to the downlink channel occupying the control channel element.

4. The method of claim 1 , further comprising

signaling a second plurality of orthogonal resources;

transmitting a resource indication in a control channel message,

wherein the resource indication selects at least one candidate orthogonal resource from the second plurality of orthogonal resources

wherein the at least one candidate resource is one of the plurality of orthogonal resources.

5. The method of claim 1 , wherein the plurality of orthogonal resources includes a first set of orthogonal resources and a second set of orthogonal resources;

wherein each orthogonal resource in the first set of orthogonal resources is different from the orthogonal resources in the second set of orthogonal resources;

wherein transmitting the reference and data symbols comprises transmitting the reference and data symbols on the first set of orthogonal resources for information bit states that indicate that a downlink control channel associated with the second set of orthogonal resources has not been received; and

wherein transmitting the reference and data symbols comprises transmitting the reference and data symbols on the second set of orthogonal resources for information bit states that indicate that the indication containing the first set of orthogonal resources may not have been received.

6. A method of allocating orthogonal resources by an access node to a user equipment (UE) that is configured to use transmit diversity, wherein the UE is further configured to transmit a reference symbol and a data symbol on multiple orthogonal resources selected from a plurality of orthogonal resources, using an antenna, the method comprising:

allocating, by the access node, a first orthogonal resource that is in a physical resource block to the UE; and

transmitting, by the access node, a first control channel message on a downlink control channel;

wherein the downlink control channel comprises a plurality of control channel elements;

wherein the first control channel message is transmitted in a first occupied control channel element;

wherein the plurality of orthogonal resources includes a first uniquely mapped orthogonal resource and the first orthogonal resource;

wherein the plurality of control channel elements includes a first aliased control channel element and a second aliased control channel element;

wherein the first uniquely mapped orthogonal resource is determined in response to the first control channel message occupying one a first aliased control channel element;

wherein the first uniquely mapped orthogonal resource is determined in response to the first control channel message occupying a second aliased control channel element;

wherein the first and the second aliased control channel elements are at different locations in the downlink control channel; and

wherein the first uniquely mapped orthogonal resource is determined from an index of the first occupied control channel element.

7. The method of claim 6 , wherein the step of allocating by the access node a first orthogonal resource further comprises:

signaling, by the access node,

a second plurality of orthogonal resources;

transmitting, by the access node, a resource indication in a second control channel message;

wherein the resource indication selects at least one candidate orthogonal resource from the second plurality of orthogonal resources;

wherein the at least one candidate resource is one of the plurality of orthogonal resources.

8. The method of claim 6 , further comprising:

transmitting, by the access node, a second control channel message on the downlink control channel;

wherein the second control channel message is transmitted in a second occupied control channel element;

wherein the plurality of orthogonal resources includes a second uniquely mapped orthogonal resource and a third orthogonal resource;

wherein the plurality of control channel elements includes a third aliased control channel element and a fourth aliased control channel element;

wherein a second uniquely mapped orthogonal resource is determined in response to the second control channel message occupying one or more of a third aliased control channel element and a fourth aliased control channel element;

wherein the third and the fourth aliased control channel elements are at different locations in the downlink control channel; and

wherein the second uniquely mapped orthogonal resource is determined from an index of the second occupied control channel element.

9. A method of allocating orthogonal resources to a user equipment (UE) that uses transmit diversity, wherein the UE is configured to transmit a reference symbol and a modulated symbol on multiple orthogonal resources on an antenna, the method comprising:

indicating, by an access node, a plurality of orthogonal resources to the UE, wherein:

at least a first orthogonal resource of the plurality of orthogonal resources is in a physical resource block; and

at least two of the plurality of orthogonal resources are in different physical resource blocks; and

transmitting, by the access node, a downlink control channel directed to the UE, wherein:

the downlink control channel occupies a control channel element;

the control channel element is associated with a mapped orthogonal resource; and

the mapped orthogonal resource is in the physical resource block.

10. A method of determining allocated orthogonal resources in a user equipment (UE) that is configured to use transmit diversity, wherein the UE is configured to transmit a reference symbol and a modulated symbol on multiple orthogonal resources on an antenna, the method comprising:

receiving, by the UE, signaling containing a first set of orthogonal resource indices;

selecting, by the UE, a first and a second orthogonal resource, respectively, from a plurality of orthogonal resources according to the state of information bits to be communicated by the UE;

transmitting, by the UE, the reference and data symbols on the first and the second orthogonal resource, respectively, on one antenna;

transmitting, by the UE, the reference symbol and the data symbol on different orthogonal resources for at least one of the states of the information bits;

transmitting, by the UE, the reference symbol and the data symbol in the same physical resource block; and

determining, by the UE, an orthogonal resource of the plurality of orthogonal resources by adding a predetermined offset to an orthogonal resource index of the first set of orthogonal resource indices.

11. A method of allocating orthogonal resources to a user equipment that is configured to use transmit diversity in a wireless communication network, the method comprising:

indicating, by an access node, a first set of orthogonal resources to the UE;

indicating, by the access node, a second set of orthogonal resources to the UE using a downlink control channel, wherein

the plurality of orthogonal resources includes the first set of orthogonal resources and the second set of orthogonal resources;

in a first operational state, at least a first common resource in the first set of orthogonal resources is the same as a second common resource in the second set of orthogonal resources; and

in a second operational state, each orthogonal resource in the first set of orthogonal resources is different from the orthogonal resources in the second set of orthogonal resources.

12. A user equipment (UE) device using transmit diversity, wherein the UE device is configured to transmit a reference symbol and a modulated symbol on multiple orthogonal resources on an antenna, the UE device comprising:

a processor configured to:

select a first and a second orthogonal resource, respectively, from a plurality of orthogonal resources according to the state of information bits to be communicated by the UE device;

transmit the reference and data symbols on the first and the second orthogonal resources, respectively, on one antenna;

wherein the first and the second resource are different for at least one of the states of the information bits; and

wherein the first and the second resource are both in the same physical resource block.

13. The device of claim 12 , wherein said processor is further configured to:

receive and process a first set of orthogonal resource indices, wherein:

the plurality of orthogonal resource indices includes a first set of orthogonal resource indices and a second set of orthogonal resource indices; and

wherein for each combination of information bits, the UE device selects the first and the second orthogonal resources from those indexed by only one of the first set of orthogonal resource indices and the second set of orthogonal resource indices.

14. The device of claim 12 , wherein said processor is further configured to:

receive and process a first set of orthogonal resource indices, wherein the first set of orthogonal resource indices corresponds to a first set orthogonal resources; and

receive and process a downlink control channel intended for the UE device, wherein:

the plurality of orthogonal resources includes a set of mapped orthogonal resources and the first set of orthogonal resources;

the downlink control channel for the UE device occupies a control channel element; and

the set of mapped orthogonal resources is determined in response to the downlink channel occupying the control channel element.

15. The device of claim 12 , wherein:

the plurality of orthogonal resources includes a first set of orthogonal resources and a second set of orthogonal resources;

each orthogonal resource in the first set of orthogonal resources is different from the orthogonal resources in the second set of orthogonal resources;

the UE device transmits on the first set of orthogonal resources for information bit states that indicate that a downlink control channel associated with the second set of orthogonal resources may not have been received; and

the UE device transmits on the second set of orthogonal resources for information bit states that indicate that an indication containing the first set of orthogonal resources may not have been received.

16. An access node for allocating orthogonal resources to a user equipment (UE) device configured to use transmit diversity, wherein the UE device is configured to transmit a reference symbol and a modulated symbol on multiple orthogonal resources on an antenna, the access node comprising:

a processor configured to:

indicate a first orthogonal resource that is in a physical resource block to the UE device; and

transmit a downlink control channel intended for the UE; wherein:

the first control channel message is transmitted in an occupied control channel element;

the multiple orthogonal resources for transmitting the reference and data symbols are comprised within a plurality of orthogonal resources;

the plurality of orthogonal resources includes a unique mapped orthogonal resource and the first orthogonal resource;

a plurality of control channel elements includes a first aliased control channel element and a second aliased control channel element;

a unique mapped orthogonal resource is determined in response to the downlink control channel occupying a first aliased control channel element;

the unique mapped orthogonal resource is determined in response to the downlink control channel occupying a second aliased control channel element;

the first and the second aliased control channel elements are at different locations in the downlink control channel; and

the unique mapped orthogonal resource is determined from an index of the occupied control channel element.

17. An access node for allocating orthogonal resources to a user equipment (UE) device configured to use transmit diversity where the UE device is configured to transmit a reference symbol and a modulated symbol on multiple orthogonal resources on an antenna, the access node comprising:

processor configured to:

indicate a plurality of orthogonal resources to the UE device, where:

at least a first orthogonal resource of the plurality of orthogonal resources is in a physical resource block; and

at least two of the plurality of orthogonal resources are in different physical resource blocks; and

transmit a downlink control channel intended for the UE device, where:

the downlink control channel occupies a control channel element;

the control channel element is associated with a mapped orthogonal resource; and

the mapped orthogonal resource is in the physical resource block.

18. A user equipment (UE) device using transmit diversity, wherein the UE device is configured to transmit a reference symbol and a modulated symbol on multiple orthogonal resources on an antenna, the device comprising:

processor configured to:

receive signaling comprising a first set of orthogonal resource indices;

select a first and a second orthogonal resource, respectively, from a plurality of orthogonal resources according to the state of information bits to be communicated by the UE device;

transmit the reference and data symbols on the first and the second orthogonal resource, respectively, on one antenna;

transmit the reference symbol and the data symbol on different orthogonal resources for at least one of the states of the information bits;

transmit the reference symbol and the data symbol in the same physical resource block; and

determine an orthogonal resource of the plurality of orthogonal resources by adding a predetermined offset to an orthogonal resource index of the first set of orthogonal resource indices.

19. A user equipment (UE) device using transmit diversity, the UE device comprising:

a processor configured to:

receive an indication of a first set of orthogonal resources;

receive an indication of a second set of orthogonal resources using a downlink control channel, wherein

the plurality of orthogonal resources includes the first set of orthogonal resources and the second set of orthogonal resources;

in a first operational state, at least a first common resource in the first set of orthogonal resources is the same as a second common resource in the second set of orthogonal resources; and

in a second operational state, each orthogonal resource in the first set of orthogonal resources is different from the orthogonal resources in the second set of orthogonal resources.

Assignments (14)