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Media access control is provided for an ultra-wide band medium. The media access control may employ a peer-to-peer network topology. The media access control may employ a reduced addressing scheme. Concurrent ultra-wide band channels may be established through the use of a pulse division multiple ac

Media access control is provided for an ultra-wide band medium. The media access control may employ a peer-to-peer network topology. The media access control may employ a reduced addressing scheme. Concurrent ultra-wide band channels may be established through the use of a pulse division multiple access channelization scheme. Multiple media access control states may be defined whereby each state may be associated with one or more of different channel parameter state information, different duty cycles, and different synchronization status.

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1. A media access control method, comprising: providing access via peer-to-peer media access control that is configured to establish concurrent first and second ultra-wide band channels, wherein the first ultra-wide band channel is defined by substantially periodic pulses having first constant pulse

1. A media access control method, comprising: providing access via peer-to-peer media access control that is configured to establish concurrent first and second ultra-wide band channels, wherein the first ultra-wide band channel is defined by substantially periodic pulses having first constant pulse-to-pulse delays, wherein the second ultra-wide band channel is defined by substantially periodic pulses having second constant pulse-to-pulse delays, the first constant pulse-to-pulse delays being different than the second constant pulse-to-pulse delays, wherein substantially all pulses of the first ultra-wide band channel are transmitted at different times than pulses of the second ultra-wide band channel; andprocessing signals associated with at least one of the first and second ultra-wide band channels. 2. The method of claim 1, wherein at least one of the first and second ultra-wide band channels is established based on at least one of the group consisting of: a preamble sequence, and a time hopping sequence. 3. The method of claim 2, wherein at least one of the preamble sequence and the time hopping sequence is defined based on at least one of the group consisting of: a transmitter device address, a receiver device address, a channel identifier, a sequence number, and a security key. 4. The method of claim 1, wherein a timeslot structure is defined for at least one of the first and second ultra-wide band channels. 5. The method of claim 1, wherein at least one of the first and second ultra-wide band channels is defined as a packet channel, a streaming channel, or a packet channel and a streaming channel. 6. The method of claim 1, wherein a plurality of pulse division multiplexed logical channels are defined for at least one of the first and second ultra-wide band channels. 7. The method of claim 1, wherein the peer-to-peer media access control has a functionality that is substantially similar to other media access control functionality for all other devices communicating via the first and second ultra-wide band channels. 8. The method of claim 7, wherein the peer-to-peer media access control independently provides channel access for one of the first and second ultra-wide band channels, without taking into account an access scheme for the other one of the first and second ultra-wide band channels. 9. The method of claim 7, wherein the media access control functionality comprises a standby state and an active state, the method further comprising: scanning, in the standby state, at least one of the first and second ultra-wide band channels at a low duty cycle; andscanning, in the active state, at least one of the first and second ultra-wide band channels at a duty cycle that is higher than the low duty cycle. 10. The method of claim 9, wherein the active state is a connectionless state. 11. The method of claim 9, further comprising transitioning from the standby state to the active state in response to a discovery procedure or a paging procedure. 12. The method of claim 7, wherein an addressing scheme for at least one of the first and second ultra-wide band channels is defined based on at least one of the group consisting of: an address of one of the devices, a shorter network address associated with one of the devices, and a channel parameter. 13. The method of claim 12, wherein the channel parameter comprises at least one of the group consisting of: a pulse repetition frequency, a preamble sequence, and a time hopping sequence. 14. The method of claim 7, further comprising communicating that: a shorter network address is to be used for accessing at least one of the first and second ultra-wide band channels; ora network address is not to be used for accessing at least one of the first and second ultra-wide band channels. 15. The method of claim 14, wherein the shorter network address is based on a transmitter address, a receiver address, or transmitter and receiver addresses. 16. The method of claim 7, wherein each of the first and second ultra-wide band channels is established based on at least one of the group consisting of: a preamble sequence, and a time hopping sequence. 17. The method of claim 7, further comprising: defining a timeslot structure for at least one of the first and second ultra-wide band channels; andsynchronizing, at a timeslot level, communication over at least one of the first and second ultra-wide band channels. 18. The method of claim 1, wherein the method is performed in a transmitter. 19. The method of claim 1, wherein the method is performed in a receiver. 20. The method of claim 1, wherein each of the first and second ultra-wide band channels has a fractional bandwidth on the order of 20% or more, has a bandwidth on the order of 500 MHz or more, or has a fractional bandwidth on the order of 20% or more and has a bandwidth on the order of 500 MHz or more. 21. The method of claim 1, wherein the first and second constant pulse-to-pulse delays are based on data rates of data communicated via the concurrent first and second ultra-wide band channels, respectively. 22. A media access control apparatus, comprising: a peer-to-peer media access controller adapted to establish concurrent first and second ultra-wide band channels, wherein the first ultra-wide band channel is defined by substantially periodic pulses having first constant pulse-to-pulse delays, wherein the second ultra-wide band channel is defined by substantially periodic pulses having second constant pulse-to-pulse delays, the first constant pulse-to-pulse delays being different than the second constant pulse-to-pulse delays, wherein substantially all pulses of the first ultra-wide band channel are transmitted at different times than pulses of the second ultra-wide band channel; anda signal processor adapted to process signals associated with at least one of the first and second ultra-wide band channels. 23. The apparatus of claim 22, wherein at least one of the first and second ultra-wide band channels is established based on at least one of the group consisting of: a preamble sequence, and a time hopping sequence. 24. The apparatus of claim 23, wherein at least one of the preamble sequence and the time hopping sequence is defined based on at least one of the group consisting of: a transmitter device address, a receiver device address, a channel identifier, a sequence number, and a security key. 25. The apparatus of claim 22, wherein a timeslot structure is defined for at least one of the first and second ultra-wide band channels. 26. The apparatus of claim 22, wherein at least one of the first and second ultra-wide band channels is defined as a packet channel, a streaming channel, or a packet channel and a streaming channel. 27. The apparatus of claim 22, wherein a plurality of pulse division multiplexed logical channels are defined for at least one of the first and second ultra-wide band channels. 28. The apparatus of claim 22, wherein the peer-to-peer media access controller is adapted to have a functionality that is substantially similar to other media access control functionality for all other devices communicating via the first and second ultra-wide band channels. 29. The apparatus of claim 28, wherein the media access controller is adapted to independently provide channel access for one of the first and second ultra-wide band channels, without taking into account an access scheme for the other one of the first and second ultra-wide band channels. 30. The apparatus of claim 28, wherein the media access control functionality comprises a standby state and an active state defined by a state controller, the apparatus further comprising: a channel scanner adapted to scan, in the standby state, at least one of the first and second ultra-wide band channels at a low duty cycle; anda channel scanner adapted to scan, in the active state, at least one of the first and second ultra-wide band channels at a duty cycle that is higher than the low duty cycle. 31. The apparatus of claim 30, wherein the active state is a connectionless state. 32. The apparatus of claim 30, wherein the state controller is adapted to transition from the standby state to the active state in response to a discovery procedure or a paging procedure. 33. The apparatus of claim 28, further comprising an addressing scheme selector adapted to define an addressing scheme for at least one of the first and second ultra-wide band channels based on at least one of the group consisting of: an address of one of the devices, a shorter network address associated with one of the devices, and a channel parameter. 34. The apparatus of claim 33, wherein the channel parameter comprises at least one of the group consisting of: a pulse repetition frequency, a preamble sequence, and a time hopping sequence. 35. The apparatus of claim 28, further comprising an addressing scheme selector adapted to communicate that: a shorter network address is to be used for accessing at least one of the first and second ultra-wide band channels; ora network address is not to be used for accessing at least one of the first and second ultra-wide band channels. 36. The apparatus of claim 35, wherein the addressing scheme selector derives the shorter network address based on a transmitter address, a receiver address, or transmitter and receiver addresses. 37. The apparatus of claim 28, further comprising a channel establisher adapted to define the first and second ultra-wide band channels based on at least one of the group consisting of: a preamble sequence, and a time hopping sequence. 38. The apparatus of claim 28, further comprising: a channel establisher adapted to define a timeslot structure for at least one of the first and second ultra-wide band channels; anda synchronizer adapted to synchronize, at a timeslot level, communication over at least one of the first and second ultra-wide band channels. 39. The apparatus of claim 22, wherein the apparatus is implemented in a transmitter. 40. The apparatus of claim 22, wherein the apparatus is implemented in a receiver. 41. The apparatus of claim 22, wherein each of the first and second ultra-wide band channels has a fractional bandwidth on the order of 20% or more, has a bandwidth on the order of 500 MHz or more, or has a fractional bandwidth on the order of 20% or more and has a bandwidth on the order of 500 MHz or more. 42. The apparatus of claim 22, wherein the first and second constant pulse-to-pulse delays are based on data rates of data communicated via the concurrent first and second ultra-wide band channels, respectively. 43. A media access control apparatus, comprising: means for providing access via peer-to-peer media access control that is configured to establish concurrent first and second ultra-wide band channels, wherein the first ultra-wide band channel is defined by substantially periodic pulses having first constant pulse-to-pulse delays, wherein the second ultra-wide band channel is defined by substantially periodic pulses having second constant pulse-to-pulse delays, the first constant pulse-to-pulse delays being different than the second constant pulse-to-pulse delays, wherein substantially all pulses of the first ultra-wide band channel are transmitted at different times than pulses of the second ultra-wide band channel; andmeans for processing signals associated with at least one of the first and second ultra-wide band channels. 44. The apparatus of claim 43, wherein at least one of the first and second ultra-wide band channels is established based on at least one of the group consisting of: a preamble sequence, and a time hopping sequence. 45. The apparatus of claim 44, wherein at least one of the preamble sequence and the time hopping sequence is defined based on at least one of the group consisting of: a transmitter device address, a receiver device address, a channel identifier, a sequence number, and a security key. 46. The apparatus of claim 43, wherein a timeslot structure is defined for at least one of the first and second ultra-wide band channels. 47. The apparatus of claim 43, wherein at least one of the first and second ultra-wide band channels is defined as a packet channel, a streaming channel, or a packet channel and a streaming channel. 48. The apparatus of claim 43, wherein a plurality of pulse division multiplexed logical channels are defined for at least one of the first and second ultra-wide band channels. 49. The apparatus of claim 43, wherein the means for providing access has a functionality that is substantially similar to other media access control functionality for all other devices communicating via the first and second ultra-wide band channels. 50. The apparatus of claim 49, wherein the means for providing access independently provides channel access for one of the first and second ultra-wide band channels, without taking into account an access scheme for the other one of the first and second ultra-wide band channels. 51. The apparatus of claim 49, wherein the media access control functionality comprises a standby state and an active state, the apparatus further comprising: means for scanning, in the standby state, at least one of the first and second ultra-wide band channels at a low duty cycle; andmeans for scanning, in the active state, at least one of the first and second ultra-wide band channels at a duty cycle that is higher than the low duty cycle. 52. The apparatus of claim 51, wherein the active state is a connectionless state. 53. The apparatus of claim 51, further comprising means for transitioning from the standby state to the active state in response to a discovery procedure or a paging procedure. 54. The apparatus of claim 49, wherein an addressing scheme for at least one of the first and second ultra-wide band channels is defined based on at least one of the group consisting of: an address of one of the devices, a shorter network address associated with one of the devices, and a channel parameter. 55. The apparatus of claim 54, wherein the channel parameter comprises at least one of the group consisting of: a pulse repetition frequency, a preamble sequence, and a time hopping sequence. 56. The apparatus of claim 49, further comprising means for communicating that: a shorter network address is to be used for accessing at least one of the first and second ultra-wide band channels; ora network address is not to be used for accessing at least one of the first and second ultra-wide band channels. 57. The apparatus of claim 56, wherein the shorter network address is based on a transmitter address, a receiver address, or transmitter and receiver addresses. 58. The apparatus of claim 49, wherein each of the first and second ultra-wide band channels is established based on at least one of the group consisting of: a preamble sequence, and a time hopping sequence. 59. The apparatus of claim 49, further comprising: means for defining a timeslot structure for at least one of the first and second ultra-wide band channels; andmeans for synchronizing, at a timeslot level, communication over at least one of the first and second ultra-wide band channels. 60. The apparatus of claim 43, wherein the apparatus is implemented in a means for transmitting. 61. The apparatus of claim 43, wherein the apparatus is implemented in a means for receiving. 62. The apparatus of claim 43, wherein each of the first and second ultra-wide band channels has a fractional bandwidth on the order of 20% or more, has a bandwidth on the order of 500 MHz or more, or has a fractional bandwidth on the order of 20% or more and has a bandwidth on the order of 500 MHz or more. 63. The apparatus of claim 43, wherein the first and second constant pulse-to-pulse delays are based on data rates of data communicated via the concurrent first and second ultra-wide band channels, respectively. 64. A media access control computer-program product comprising: a computer-readable medium comprising codes for causing at least one computer to: provide access via peer-to-peer media access control that is configured to establish concurrent first and second ultra-wide band channels, wherein the first ultra-wide band channel is defined by substantially periodic pulses having first constant pulse-to-pulse delays, wherein the second ultra-wide band channel is defined by substantially periodic pulses having second constant pulse-to-pulse delays, the first constant pulse-to-pulse delays being different than the second constant pulse-to-pulse delays, wherein substantially all pulses of the first ultra-wide band channel are transmitted at different times than pulses of the second ultra-wide band channel; andprocess signals associated with at least one of the first and second ultra-wide band channels. 65. A headset, comprising: a transducer adapted to generate audio data;a peer-to-peer media access controller adapted to establish concurrent first and second ultra-wide band channels, wherein the first ultra-wide band channel is defined by substantially periodic pulses having first constant pulse-to-pulse delays, wherein the second ultra-wide band channel is defined by substantially periodic pulses having second constant pulse-to-pulse delays, the first constant pulse-to-pulse delays being different than the second constant pulse-to-pulse delays, wherein substantially all pulses of the first ultra-wide band channel are transmitted at different times than pulses of the second ultra-wide band channel; anda signal processor adapted to process signals associated with at least one of the first and second ultra-wide band channels, wherein the signals comprise the audio data. 66. A watch, comprising: a user interface adapted to generate data;a peer-to-peer media access controller adapted to establish concurrent first and second ultra-wide band channels, wherein the first ultra-wide band channel is defined by substantially periodic pulses having first constant pulse-to-pulse delays, wherein the second ultra-wide band channel is defined by substantially periodic pulses having second constant pulse-to-pulse delays, the first constant pulse-to-pulse delays being different than the second constant pulse-to-pulse delays, wherein substantially all pulses of the first ultra-wide band channel are transmitted at different times than pulses of the second ultra-wide band channel; anda signal processor adapted to process signals associated with at least one of the first and second ultra-wide band channels, wherein the signals comprise the data. 67. A sensing device, comprising: a sensor adapted to generate data;a peer-to-peer media access controller adapted to establish concurrent first and second ultra-wide band channels, wherein the first ultra-wide band channel is defined by substantially periodic pulses having first constant pulse-to-pulse delays, wherein the second ultra-wide band channel is defined by substantially periodic pulses having second constant pulse-to-pulse delays, the first constant pulse-to-pulse delays being different than the second constant pulse-to-pulse delays, wherein substantially all pulses of the first ultra-wide band channel are transmitted at different times than pulses of the second ultra-wide band channel; anda signal processor adapted to process signals associated with at least one of the first and second ultra-wide band channels, wherein the signals comprise the data.