Abstract
The invention relates to a method of operating an access terminal (106) for peer-to-peer communication in a multiple-access network (100), comprising: transmitting peer-to-peer communications (110) to at least one peer access terminal (106) on a reverse link frequency of the multiple-access network (100); and receiving peer-to-peer communications (110) from at least one peer access terminal (106) on the reverse link frequency of the multiple-access network (100).
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Specification Information
Specification Information
Technologies
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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 control commands includes: receiving power control commands from the network on a receive chain tuned to a forward link of the access network; and , ¾ 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 transmit power level in order to mamtain 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 temiinal on the reverse link.
6. The method of claim 1, wherein the act of receiving power control commands includes receiving power control 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 control commands.
8. The method of claim 7, the power control commands from the system mcluding a command for reducing the transmit power level in order to reduce mterference 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: âx96xa0-: receiving power control 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 mcluding a command for reducing the transmit power level in order to reduce interference caused to the system and a command for increasing the fransmit power level in order to maintain a system finger lock
11. The method of claim 7, wherein the act of receiving power control commands includes receiving power control 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 control 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 transmit power level of the first access terminal by an open-loop procedure i 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 transmission 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 control commands from the network on a receive chain tuned to a forward link of the access network; and receiving cornmunications including power control 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 mc luding 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 mcluding 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
17. The method of claim 14, further including the act of receiving power control commands f om 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: estabUshing point-to-point communicatio between the network and an access terminal; causing the access terminal to receive peer-to-peer transmission; fransmitting power control commands to the access terminal from the network; transmitting power control commands to the access terminal from at least one other access terminal in peer-to-peer communication with the access terminal; and adjusting a transmit power level of the access terminal in response to the power control commands from the network and the power control commands from the at least one other access terminal. , : ; ; ; .
20. The method of claim 19, wherein transmitting power control commands to the access terminal from the network includes fransrmtting the power control commands on a forward link of the network.
21. The method of claim 19, wherein causing the access tenriinal to receive peer-to-peer transmission includes causing the access terminal to receive peer-to-peer transmission on a reverse link of the network.
22. The method of claim 19, wherein fransrmtting power control commands to the access terminal from at least one other access terrriinal includes fransmitting the power control commands on a reverse link of the network. 28 175691/2
23. A remote station apparatus, comprising: first means for receiving communications including power control commands on a forward link of a code d ivision multiple access wireless communication system; second means for receiving peer-to-peer communications including power control commands from at least one other remote station apparatus on a reverse l i nk of the system ; and means for adjusting a transmit power level in response to the power control commands.
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 transm it chain for transmitting commun ications on a reverse l ink of the system ; a first receive chain for receiving commun ications 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, wherein a transmit power level is adjusted in response to the received commu ications.
26. The access term inal of claim 25 wherein the second receive chain includes a forward l ink diversity receive section, a reverse l ink receive section, a demodulation section and at least one switch for connecting either the forward l ink diversity receive section or the reverse link receive section to the demodulation section.
27. The access term inal of claim 26 further includ ing: a fi rst antenna; 29 175691/2 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 demodu lation section and a second switch, co-operative with the first switch, for connecting either the forward link diversity receive section or the reverse l ink receive section to the second antenna.
28. The access terminal of claim 26 further incl uding: 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 th ird antenna connected to the reverse l ink 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 demodu lation 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 transmission from at least one access terminal on a reverse link of the access network; and providing peer-to-peer transmission to the at least one access term inal on the reverse link.
30. The method of claim 29, wherein: receiving network management transmissions includes receiving power control commands from the network; and 30 175691/2 receiving peer-to-peer transmissions includes receiving power control commands and data from the at least one access terminal ; and
31. The method of claim 30, further including adjusting a transm it power level of the access terminal in response to the power control 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, wherein transm itting and receiving occur in a transmission slot of the reverse link.
33. The method of claim 32, wherein the access terminal is a first peer access terminal of N peer access term inals, where N _> 2, and the transm ission slot is partitioned into N portions, the method further incl uding: the first peer access terminal transmitting peer-to-peer communications during a first portion of the transmission slot; and the first peer access term inal receiving peer-to-peer communications from a second peer access terminal during at least a second portion of the transm ission slots.
34. The method of claim 32, wherein the access terminal is a first peer access terminal of N peer access terminals, where N . 2, and the transmission slot is partitioned into first and second portions, the method further including: assigni ng access code division codes to each of the remaining N- 1 peer access terminals; the first peer access terminal transm itting peer-to-peer communications during the first portion of the transmission slot; and 3 1 175691/2 the first peer access terminal receiving peer-to-peer communications from a second peer access terminal during the second of the transm ission slots on a code assigned to the second peer access terminal.
35. The method of claim 34, wherei n the first portion is 3/4 of the transmission slot and the second portion is 1/4 of the transmission slot.
36. The method as in claim 32, further comprising: receiving a usable channel list; and selecting a channel for transmission.
37. The method as in claim 32, further comprising: receiving a preferred roaming list of channels; and determining availability of a peer-to-peer channel.
38. The method as in claim 37, wherein determ ining avai labi lity of a peer-to-peer channel, comprises: determining availability of the peer-to-peer channels using a base station identifier (ID).
39. The method as in claim 32, further comprising: for ing a hash val ue by concatenating identifiers (IDs) of each peer access terminal; performing a hash function to output a number of frequency channels avai labil ity for peer-to-peer commun ication.
40. The method as in claim 39, further comprising: negotiating among the peer access terminals to move to another channel available for peer-to-peer communication.
41. . The method as in claim 40, wherein forming the hash value comprises: 32 175691/2 forming the hash value by concatenating IDs of all members of a peer group.
42. A remote station apparatus, comprising: first means for transmitting peer-to-peer communications to at least one peer access terminal on a reverse l ink of the multiple-access network; second means for receiving peer-to-peer communications from at least one peer access terminal on the reverse link of the multiple-access network; means for receiving a usable channel list; and means for selecting a channel for transmission.
43. The apparatus as in claim 42, further comprising: means for receiving a preferred roam ing list of channels; and means for determ ining availability of a peer-to-peer channel .
44. The method as in claim 42, further comprising: means for form ing 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.
45. The method as in claim 44, further comprising: means for negotiating among the peer access terminals to move to another channel avai lable for peer-to-peer communication.
46. The method as in claim 45, wherein means for forming the hash value comprises: means for forming the hash value by concatenating IDs of all members of a peer group. Fj2r the Applicant, C: 58645']
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SUMMARY
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Patent number:IL175691A
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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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