Transmission of information in a wireless communication system
Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method for the transmission of information in a wireless communication system comprises receiving a downlink message, wherein the downlink message includes a first control channel element; determining a first index using the location of the first control channel element; determining a second index; determining a first orthogonal resource using the first index; determining a second orthogonal resource using the second index; spreading an uplink message using the first orthogonal resource to form a first spread signal; spreading the uplink message using a second orthogonal resource to form a second spread signal; transmitting the first spread signal using a first antenna; and transmitting the second spread signal using a second antenna.
1. A method at a network element in a wireless communication system, comprising: transmitting, to a user equipment, a downlink message including a first control channel element, the first control channel element being associated to at least one of a first orthogonal resource and a second orthogonal resource; receiving a transmission from the user equipment; separating the transmission into a first modulated message and a second modulated message using the first orthogonal resource and the second orthogonal resource.
2. The method of claim 1 , wherein the downlink message comprises a second control channel element, the second control channel element being associated to the second orthogonal resource.
3. The method of claim 1 , further comprising sending a second downlink message, the second downlink message being associated to the second orthogonal resource.
4. The method of claim 1 , wherein the second orthogonal resource is derivable from an index of the first control channel element.
5. The method of claim 1 , wherein the second orthogonal resource is derivable from the first orthogonal resource.
6. The method of claim 1 , wherein a number of control channel elements of the downlink message is greater than or equal to the number of orthogonal resources assigned to the user equipment.
7. The method of claim 1 , further comprising changing the number of control channel elements of the downlink message to match the number of orthogonal resources assigned to the user equipment.
8. The method of claim 1 , further comprising allocating a reserved control channel element of the downlink message to match the number of orthogonal resources assigned to the user equipment.
9. The method of claim 1 , further comprising assigning to the user equipment an offset from the first control channel element to a second control channel element both of the downlink message, wherein the downlink message is a physical downlink control channel message, and the selection of the second control channel element is limited to those control channel elements of the downlink message corresponding to a physical uplink control channel resource transmitted in the same physical uplink control channel resource block.
10. A method at a network element in a wireless communication system, comprising:
transmitting, to a user equipment, a downlink message, the downlink message being associated to a plurality of orthogonal resources;
receiving a transmission from the user equipment;
separating the transmission into a plurality of modulated messages using the plurality of orthogonal resources.
11. The method of claim 10 , wherein the downlink message is associated to the plurality of orthogonal resources based on an index of a first control channel element of a plurality of control channel elements, wherein the downlink message includes the plurality of control channel elements.
12. The method of claim 11 , further comprising transmitting, to the user equipment, another downlink message, the other downlink message being associated to at least one of the plurality of orthogonal resources.
13. The method of claim 10 , wherein the downlink message is associated to the plurality of orthogonal resources based on a location of a first control channel element of a plurality of control channel elements, wherein the downlink message includes the plurality of control channel elements.
14. A network element in a wireless communication system, comprising:
a processor; and
a communications subsystem;
wherein the processor and the communications subsystem cooperate to:
transmit, to a user equipment, a downlink message including a first control channel element, the first control channel element being associated to at least one of a first orthogonal resource and a second orthogonal resource;
receive a transmission from the user equipment;
separate the transmission into a first modulated message and a second modulated message using the first orthogonal resource and the second orthogonal resource.
15. The network element of claim 14 , wherein the downlink message comprises a second control channel element, the second control channel element being associated to the second orthogonal resource.
16. The network element of claim 14 , wherein the processor and the communications subsystem further cooperate to send a second downlink message, the second downlink message being associated to the second orthogonal resource.
17. The network element of claim 14 , wherein the second orthogonal resource is derivable from an index of the first control channel element.
18. The network element of claim 14 , wherein the second orthogonal resource is derivable from the first orthogonal resource.
19. The network element of claim 14 , wherein a number of control channel elements of the downlink message is greater than or equal to the number of orthogonal resources assigned to the user equipment.
20. The network element of claim 14 , wherein the processor and the communications subsystem further cooperate to change the number of control channel elements of the downlink message to match the number of orthogonal resources assigned to the user equipment.
21. The network element of claim 14 , wherein the processor and the communications subsystem further cooperate to allocate a reserved control channel element of the downlink message to match the number of orthogonal resources assigned to the user equipment.
22. The network element of claim 14 , wherein the processor and the communications subsystem further cooperate to assign to the user equipment an offset from the first control channel element to a second control channel element both of the downlink message, wherein the downlink message is a physical downlink control channel message, and the selection of the second control channel element is limited to those control channel elements of the downlink message corresponding to a physical uplink control channel resource transmitted in the same physical uplink control channel resource block.