COMMUNICATION SYSTEM WITH A REQUEST BY A SINGLE NODE MADE OVER ONE OF TWO SEPARATE SLOTS IN A FRAME

• US 20080014953A1
• Filed: 07/23/2007
• Published: 01/17/2008
• Est. Priority Date: 06/24/1994
• Status: Active Grant

• Current Assignee: GPNE Corp.
• Original Assignee: GPNE Corp.
• Inventors: Wong, Gabriel, Tsui, Po
• Granted Patent: US 8,233,460 B2
• Time in Patent Office: Days
• US Class Current: 455/450
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 12/08 Access security
• CPC Class Codes: H04W 28/26 Resource reservation
• CPC Class Codes: H04W 36/08 Reselecting an access point
• CPC Class Codes: H04W 48/08 Access restriction or access information delivery, e.g. discovery data delivery signalling during connection H04W76/00
• CPC Class Codes: H04W 56/00 Synchronisation arrangements
• CPC Class Codes: H04W 68/00 User notification, e.g. alerting and paging, for incoming communication, change of service or the like
• CPC Class Codes: H04W 68/02 Arrangements for increasing efficiency of notification or paging channel
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 74/002 Transmission of channel access control information
• CPC Class Codes: H04W 74/04 Scheduled access hybrid access H04W74/02
• CPC Class Codes: H04W 74/06 using polling
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 84/02 Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
• CPC Class Codes: H04W 84/022 One-way selective calling networks, e.g. wide area paging
• CPC Class Codes: H04W 84/025 with acknowledge back capability
• CPC Class Codes: H04W 88/022 Selective call receivers
• CPC Class Codes: H04W 88/185 Selective call encoders for paging networks, e.g. paging centre devices
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

A communication system is provided that includes a controller providing a map of information to enable communication with a plurality of nodes. The information includes identification of two separate time slots, one for random access requests when a node initially contacts a controller and another for exclusively assigned access to transmit messages. The map further provides information to enable identification of the nodes and assigns transmission frequencies.

Claims

1-33. -33. (canceled)

34. A method of communicating data between at least a first communication controller in a system of controllers and a plurality of nodes comprising:

transmitting a map from the first communication controller to a first node in the plurality of nodes, wherein the map includes information allowing access by nodes to transmit reservation requests in at least two slots of a frame, along with information identifying the first node and assigning one of the at least two slots where the first node can transmit requests exclusively from the first node; and

receiving a reservation request in one of the at least two slots from the first node provided in response to the information in the map.

35. The method of claim 34, wherein the map further includes information identifying a first frequency for a first one of the slots and a second frequency for a second one of the slots, wherein the first frequency comprises a common frequency received by the first controller and another one of the controllers, and the second frequency comprises a non-common frequency received only by the first controller.

36. The method of claim 34, further comprising:

transmitting a grant in response to the reservation request received from the first node, the grant allowing the first node to transmit data; and

receiving the data as a packet message containing alphanumeric characters from the first node in response to the grant,

wherein the map information includes a first frequency for receiving the reservation request signal, a second frequency for transmitting the grant signal, and a third frequency for transmission of the data.

37. The method of claim 34, wherein the two slots identified by the map include a first slot where the first node can transmit a random access request, and a second slot exclusively assigned to the first node for transmitting a reservation request.

38. The method of claim 34, further comprising:

transmitting a grant in response to the reservation request received from the first node, the grant allowing the first node to transmit data; and

receiving packet data containing alphanumeric characters from the first node in response to the grant,

wherein the first slot and the second slot wherein the first node can transmit requests are separate from one or more slots where the data can be transmitted.

39. The method of claim 34, further comprising:

transmitting a grant in response to the reservation request received from the first node, the grant allowing the first node to transmit data; and

receiving packet data containing alphanumeric characters from the first node in response to the grant,

wherein the first node selectively transmits the data in a series of contiguous slots over a range of multiple frequencies.

40. (canceled)

41. A method of communicating data between at least a first communication controller in a system of controllers and a plurality of nodes comprising:

receiving a map transmitted from the first communication controller to at least a first node in the plurality of nodes, wherein the map includes information allowing access to at least the first node to transmit reservation requests in at least two slots of a frame, along with information identifying the first node and assigning one of the at least two slots where the first node can transmit requests exclusively from the first node; and

transmitting from the first node a reservation request in one of the at least two slots in response to the information provided in the map.

42. The method of claim 41, wherein the map further includes information identifying a first frequency for a first one of the slots and a second frequency for a second one of the slots, wherein the first frequency comprises a common frequency received by the first controller and another one of the controllers, and the second frequency comprises a non-common frequency received only by the first controller.

43. The method of claim 41, further comprising:

receiving a grant from the first communication controller in response to the reservation request transmitted from the first node, the grant allowing the first node to transmit data; and

transmitting the data as a packet message containing alphanumeric characters from the first node in response to the grant,

wherein the map information includes a first frequency for receiving the reservation request signal, a second frequency for transmitting the grant signal, and a third frequency for transmission of the data.

44. The method of claim 41, wherein the two slots identified by the map include a first slot where the first node can transmit a random access request, and a second slot exclusively assigned to the first node for transmitting a reservation request.

45. The method of claim 41, further comprising:

receiving a grant from the first communication controller in response to the reservation request, the grant allowing the first node to transmit data; and

transmitting packet data containing alphanumeric characters from the first node in response to the grant,

wherein the first slot and the second slot wherein the first node can transmit requests are separate from one or more slots where the data can be transmitted.

46. The method of claim 41, further comprising:

receiving a grant from the first communication controller in response to the reservation request, the grant allowing the first node to transmit data; and

transmitting packet data containing alphanumeric characters from the first node in response to the grant,

wherein the first node selectively transmits the data in a series of contiguous slots over a range of multiple frequencies.

47-48. -48. (canceled)

49. A method of operating a data communication network containing a plurality of communication controllers and communication nodes located over a wide geographical area, the method comprising:

transmitting a map of handoff signals from a first one of the communication controllers to at least a first one of the nodes to enable another one of the communication controllers to handoff communication with the first node to the first communication controller, wherein the handoff signals comprise a clocking signal synchronizing an initial slot of time in a frame for the first node to transmit a request to communicate;

receiving the request signal from the first node at the first communication controller in the at least one slot of time; and

transmitting a grant signal from the first communication controller to the first node in response to the first communication controller receiving the request signal from the first node.

50. The method of claim 49, wherein the grant signal is provided in the same slot of time of the frame as the request signal.

51. The method of claim 49, wherein the slot of time is a random access time slot wherein the first node as well as other ones of the nodes can transmit a request.

52. A method of operating a data communication network containing a plurality of communication controllers and communication nodes located over a wide geographical area, the method comprising:

transmitting a map of handoff signals from a first one of the communication controllers to at least a first one of the nodes to enable another one of the communication controllers to handoff communication with the first node to the first communication controller, wherein the handoff signals comprise a clocking signal to enable synchronizing an initial slot of time in a frame for the first node to transmit a request to communicate;

receiving the request signal from the first node at the first communication controller in the at least one slot of time, the request including a pseudo noise signal; and

transmitting a grant signal from the first communication controller to the first node in response to the first communication controller receiving the request signal from the first node, wherein the grant repeats the pseudo noise signal transmitted from the first node.

53. The method of claim 52, wherein the slot of time in the frame is provided in which the first node may transmit a random access request signal that can be in contention with a request from another one of the nodes, the slot of time being one of a series provided in frames occurring repeatedly after receipt of the request signal to the first communication controller.

54. The method of claim 52, wherein the handoff signal further include frequencies over which the request signal, the grant signal and packet data containing messages can be transmitted from the first controller.