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 for the transmission of information in a wireless communication system, comprising:
receiving a downlink message, wherein said downlink message includes a first control channel element;
determining a location of said first control channel element;
determining a first index using the location of said first control channel element;
determining a second index;
determining a first orthogonal resource using said first index;
determining a second orthogonal resource using said second index;
spreading an uplink message using said first orthogonal resource to form a first spread signal;
spreading said uplink message using said second orthogonal resource to form a second spread signal;
transmitting said first spread signal using a first antenna; and
transmitting said second spread signal using a second antenna.
2. The method of claim 1 , wherein said downlink message further includes a second control channel element, and said determining a second index uses the location of said second control channel element.
3. The method of claim 1 , wherein said determining a second index further comprises:
obtaining said second index from another downlink message.
4. The method of claim 2 , wherein said determining said second index uses the location of said second first control channel element.
5. The method of claim 1 , wherein said determining said second index uses said first index.
6. The method of claim 1 , wherein said downlink message is a physical downlink control channel message.
7. The method of claim 1 , wherein said determining the location of said first control channel element includes using blind detection.
8. The method of claim 1 , wherein said second control channel element is adjacent to said first control channel element.
9. The method of claim 1 , wherein the location of said second control channel element is a fixed span from said first control channel element.
10. A method for transmission of information in a wireless communication system, comprising:
receiving a downlink message by a wireless device from a base station, wherein said downlink message includes a plurality of control channel elements;
determining a location of a first control channel element of said plurality of control channel elements;
determining a plurality of indices using the location of said first control channel element;
determining a plurality of orthogonal resources using said plurality of indices;
generating a plurality of orthogonal signals by applying said plurality of orthogonal resources to an uplink message; and
transmitting said plurality of orthogonal signals from said wireless device to said base station.
11. The method of claim 10 , wherein said transmitting said plurality of orthogonal signals from said wireless device to said base station further comprises:
using a plurality of antennas of said wireless device to transmit said plurality of orthogonal signals.
12. The method of claim 10 , further comprising:
determining a location of a second control channel element of said plurality of control channel elements, wherein said determining said plurality of indices further comprises:
determining a second index of said plurality of indices using the location of said second control channel element.
13. The method of claim 12 , wherein the location of said second control channel element is a fixed span from said first control channel element.
14. The method of claim 12 , wherein said second control channel element is adjacent to said first control channel element.
15. The method of claim 10 , wherein said downlink message is a physical downlink control channel message.
16. The method of claim 10 , wherein said determining the location of said first control channel element includes using blind detection.
17. A method of configuring the transmission of information in a wireless communication system, comprising:
sending a first uplink message from a wireless device to a base station using a single antenna transmission mode, wherein said first uplink message includes a request for said base station to configure a transmit diversity mode of said wireless device;
receiving a first downlink message including a confirmation of said first uplink message by said wireless device from said base station;
in response to said first downlink message, sending a second uplink message including information from said wireless device to said base station, said information indicating a number of transmit antennas of said wireless device;
in response to said second uplink message, receiving a second downlink message by said wireless device from said base station, wherein said second downlink message is used to configure said transmit diversity mode for said wireless device; and
sending a third uplink message from said wireless device to said base station using said configured transmit diversity mode.
18. The method of claim 17 , wherein said first uplink message is an uplink random access channel message.
19. The method of claim 17 , wherein said third uplink message is a physical control channel message.
20. The method of claim 17 , wherein said second downlink message is a higher-layer message.