Abstract
In a multiple-access network network access terminals conduct peer-to-peer communications on reverse link channels of the network.
In a multiple-access network network access terminals conduct peer-to-peer communications on reverse link channels of the network.
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Technologies
Power Control
Product
Use Cases
Wireless communication
Services
Claim
1. In a multiple-access network, a method of operating an access terminal, comprising: receiving peer-to-peer transmission from at least one access terminal on a reverse link of the access network; receiving power control commands from the network and from the at least one access terminal; and adjusting a transmit power level in response to the power control commands.
2. The method of claim 1, the power control commands from the network including a command for reducing the transmit power level in order to reduce interference caused to the network and a command for increasing the transmit power level in order to maintain a network finger lock.
3. The method of claim 1, the access terminal including multiple receive chains, wherein the act of receiving power confrol commands includes: receiving power control commands from the network on a receive chain tuned to a forward link of the access network; and receiving power control commands from the at least one access terminal on a receive chain tuned to the reverse link.
4. The method of claim 3, the power control commands from the network including a command for reducing the transmit power level in order to reduce interference caused to the network and a command for increasing the fransmit power level in order to maintain a network finger lock.
5. The method of claim 1, wherein the act of receiving power control commands includes receiving power control commands from the at least one access terminal on the reverse link.
6. The method of claim 1, wherein the act of receiving power control commands includes receiving power confrol commands from the network on a network forward link.
7. In a code division multiple access wireless communication system, a method of operating a first mobile phone, comprising: receiving peer-to-peer transmission from at least a second mobile phone on a reverse link of the system; receiving power control commands from the system and from the second mobile phone; and adjusting a transmit power level of the first mobile phone in response to the power confrol commands.
8. The method of claim 7, the power confrol commands from the system including a command for reducing the fransmit power level in order to reduce interference caused to the system and a command for increasing the transmit power level in order to maintain a system finger lock.
9. The method of claim 7, the first mobile phone including multiple receive chains, wherein the act of receiving power control commands includes: receiving power confrol commands from the system on a receive chain tuned to a forward link of the system; and receiving power control commands from the at least a second mobile phone on a receive chain tuned to the reverse link
10. The method of claim 9, the power control commands from the system including a command for reducing the fransmit power level in order to reduce interference caused to the system and a command for increasing the transmit power level in order to maintain a system finger lock
11. The method of claim 7, wherein the act of receiving power confrol commands includes receiving power confrol commands from the at least a second mobile phone on the reverse link
12. The method of claim 7, wherein the act of receiving power control commands includes receiving power confrol commands from the system on a system forward link
13. In a multiple-access network, a method of operating a first access terminal for peer-to-peer communication, comprising: adjusting a fransmit power level of the first access terminal by an open-loop procedure in response to power received from the network and from at least a second access terminal in peer-to-peer communication with the first access terminal; receiving peer-to-peer fransmission from at least the second access terminal on a reverse link of the access network; and adjusting the transmit power level of the first access terminal by a closed loop in response to power control commands from the system and at least the second access terminal
14. The method of claim 13, the first access terminal including multiple receive chains, the method further comprising: receiving communications including power confrol commands from the network on a receive chain tuned to a forward link of the access network; and receiving communications including power confrol commands from the at least one access terminal on a receive chain tuned to the reverse link
15. The method of claim 14, the power control commands from the network including a command for reducing the transmit power level in order to reduce interference caused to the network and a command for increasing the transmit power level in order to maintain a network finger lock
16. The method of claim 14, the power control commands from the network including a command for reducing the fransmit power level in order to reduce interference caused to the network and a command for increasing the transmit power level in order to maintain a network finger lock
17. The method of claim 14, further including the act of receiving power confrol commands from the at least one access terminal on the reverse link
18. The method of claim 14, further including the act of receiving power control commands from the network on a network forward link
19. A method of operating a multiple-access network, comprising: establishing point-to-point communication between the network and an access terminal; causing the access terminal to receive peer-to-peer fransmission; transmitting power control commands to the access terminal from the network; transmitting power confrol commands to the access terminal from at least one other access terminal in peer-to-peer communication with the access terminal; and adjusting a fransmit power level of the access terminal in response to the power confrol commands from the network and the power confrol commands from the at least one other access terminal.
20. The method of claim 19, wherein transmitting power confrol commands to the access terminal from the network includes transmitting the power control commands on a forward link of the network.
21. The method of claim 19, wherein causing the access terminal to receive peer-to- peer transmission includes causing the access terminal to receive peer-to-peer fransmission on a reverse link of the network.
22. The method of claim 19, wherein transmitting power control commands to the access terminal from at least one other access terminal includes transmitting the power confrol commands on a reverse link of the network.
23. A remote station apparatus, comprising: first means for receiving communications including power confrol commands on a forward link of a code division multiple access wireless communication system; and second means for receiving peer-to-peer communications including power confrol commands from at least one other remote station apparatus on a reverse link of the system.
24. The remote station apparatus of claim 23, wherein: the first means include a first receive chain for being tuned to the forward link; and the second means include a second receive chain for being tuned to the reverse link.
25. An access terminal for peer-to-peer communications in a multiple access system, comprising: a transmit chain for transmitting communications on a reverse link of the system; a first receive chain for receiving communications on a forward link of the system; and a second receive chain for receiving peer-to-peer communications on a reverse link of the system.
26. The access terminal of claim 25 wherein the second receive chain includes a forward link diversity receive section, a reverse link receive section, a demodulation section and at least one switch for connecting either the forward link diversity receive section or the reverse link receive section to the demodulation section.
27. The access terminal of claim 26 further including: a first antenna; a duplexer connecting the transmit chain and the first receive chain to the first antenna; a second antenna; and the at least one switch including a first switch for connecting either the forward link diversity receive section or the reverse link receive section to the demodulation section and a second switch, co-operative with the first switch, for connecting either the forward link diversity receive section or the reverse link receive section to the second antenna.
28. The access terminal of claim 26 further including: a first antenna; a duplexer connecting the transmit chain and the first receive chain to the first antenna; a second antenna connected to the forward link diversity receive section; a third antenna connected to the reverse link receive section; and the at least one switch including a switch for connecting either the forward link diversity receive section or the reverse link receive section to the demodulation section.
29. In a multiple-access network, a method of operating an access terminal, comprising: receiving network management transmissions from the access network on a forward link of the access network; receiving peer-to-peer fransmission from at least one access terminal on a reverse link of the access network; and providing peer-to-peer fransmission to the at least one access terminal on the reverse link.
30. The method of claim 29, wherein: receiving network management transmissions includes receiving power confrol commands from the network; and receiving peer-to-peer transmissions includes receiving power confrol commands and data from the at least one access terminal; and
31. The method of claim 30, further including adjusting a fransmit power level of the access terminal in response to the power confrol commands.
32. A method of operating an access terminal for peer-to-peer communication in n a multiple-access network, comprising: transmitting peer-to-peer communications to at least one peer access terminal on a reverse link of the multiple-access network; and receiving peer-to-peer communications from at least one peer access terminal on the reverse link of the multiple-access network.
33. The method of claim 32, wherein transmitting and receiving occur in a fransmission slot of the reverse link.
34. The method of claim 33, wherein the access terminal is a first peer access terminal of N peer access terminals, where N > 2, and the fransmission slot is partitioned into N portions, the method further including: the first peer access terminal transmitting peer-to-peer communications during a first portion of the transmission slot; and the first peer access terminal receiving peer-to-peer communications from a second peer access terminal during at least a second of the fransmission slots.
35. The method of claim 33, wherein the access terminal is a first peer access terminal of N peer access terminals, where N > 2, and the fransmission slot is partitioned into first and second portions, the method further including: assigning access code division codes to each of the remaining N-l peer access terminals; the first peer access terminal transmitting peer-to-peer communications during the first portion of the fransmission slot; and the first peer access terminal receiving peer-to-peer communications from a second peer access terminal during the second of the fransmission slots on a code assigned to the second peer access terminal.
36. The method of claim 35, wherein the first portion is % of the fransmission slot and the second portion is lA f the fransmission slot.
37. The method as in claim 32, further comprising: receiving a usable channel list; and selecting a channel for fransmission.
38. The method as in claim 32, further comprising: receiving a preferred roaming list of channels; and determining availability of a peer-to-peer channel.
39. The method as in claim 38, wherein determining availability of a peer-to-peer channel, comprises: determining availability of the peer-to-peer channels using a base station identifier (ID).
40. The method as in claim 32, further comprising: forming a hash value by concatenating identifiers (IDs) of each peer access terminal; performing a hash function to output a number of frequency channels availability for peer-to-peer communication.
41. The method as in claim 40, further comprising: negotiating among the peer access terminals to move to another channel available for peer-to-peer communication.
42. The method as in claim 41, wherein forming the hash value comprises: forming the hash value by concatenating IDs of all members of a peer group.
43. A remote station apparatus, comprising: first means for transmitting peer-to-peer communications to at least one peer access terminal on a reverse link of the multiple-access network; and second means for receiving peer-to-peer communications from at least one peer access terminal on the reverse link of the multiple-access network.
44. The apparatus as in claim 43, further comprising: means for receiving a usable channel list; and means for selecting a channel for fransmission.
45. The apparatus as in claim 43, further comprising: means for receiving a preferred roaming list of channels; and means for determining availability of a peer-to-peer channel.
46. The method as in claim 43, further comprising: means for forming a hash value by concatenating identifiers (IDs) of each peer access terminal; means for performing a hash function to output a number of frequency channels available for peer-to-peer communication.
47. The method as in claim 46, further comprising: means for negotiating among the peer access terminals to move to another channel available for peer-to-peer communication.
48. The method as in claim 47, wherein means for forming the hash value comprises: means for forming the hash value by concatenating IDs of all members of a peer group.']
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SUMMARY
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Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
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