System and method for managing communication links

• US 7,167,913 B2
• Filed: 05/08/2003
• Issued: 01/23/2007
• Est. Priority Date: 06/05/2002
• Status: Active Grant

• Current Assignee: Universal Electronics, Inc.
• Original Assignee: Universal Electronics, Inc.
• Inventors: Chambers, Christopher Alan
• Primary Examiner(s): Barot; Bharat
• Application Number:
  US10/431,930
• Publication Number:
  US 20060031437A1
• Time in Patent Office: 1,356 Days
• Field of Search: 709/200, 709/227, 709223-226, 709/237, 709/245, 370/213, 370/276, 370277-281, 370/282, 370/310, 370/432, 370335-337, 370458-459
• US Class Current: 709/223
• CPC Class Codes: H04B 10/1143 Bidirectional transmission
• CPC Class Codes: H04L 5/0037 Inter-user or inter-terminal allocation
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 74/04 Scheduled access hybrid access H04W74/02
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 80/00 Wireless network protocols or protocol adaptations to wireless operation
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks

Abstract

A system and method for managing a communication link between a consumer electronic device adapted for two-way, wireless communications with at least one peripheral. The communication link is managed using a controller that is associated with the consumer electronic device that functions to assign communication slots to the peripheral to facilitate communications between the peripheral and the consumer electronic device.

Claims

1. In a peripheral device adapted to communicate with a consumer electronic device, a method for facilitating communications via a wireless communications link, comprising:

monitoring the communications link for activity;

if it is determined that the communications link is active;

monitoring the communications link to find an idle slot;

transmitting to the consumer electronic device a request in the next occurrence of the idle slot to request that the consumer electronic device secure the idle slot for use by the peripheral device to communicate with the consumer electronic device;

monitoring for a response to the request message transmitted by the consumer electronic device that assigns the idle slot as a communication slot for use by the peripheral device; and

using the communication slot to communicate with the consumer electronic device.

2. The method as recited in claim 1, wherein the request includes a registry number for the peripheral device.

3. The method as recited in claim 2, wherein the request includes a tag to be used to identify the peripheral device.

4. The method as recited in claim 1, wherein the communication slot is automatically de-allocated by the consumer electronic device upon the occurrence of the communication slot not being used by the peripheral device.

5. The method as recited in claim 1, wherein the request includes a request for persistent use of the idle slot by the peripheral device.

6. The method as recited in claim 1, wherein, if it is determined that the communications link is inactive:

asynchronously transmitting a request to the consumer electronic device to secure a slot for use in communications;

monitoring for a response from the consumer electronic device to the request message that assigns to the peripheral device a slot as a communication slot; and

using the communication slot to communication with the consumer electronic device.

7. The method as recited in claim 1, wherein using the communication slot comprises monitoring for a marker pulse that indicates the end of a slot preceding the communication slot.

8. The method as recited in claim 7, wherein the marker pulse is generated when communications in the slot preceding the communication slot have ended.

9. The method as recited in claim 1, wherein communications are performed using an IR protocol.

10. The method as recited in claim 1, wherein communication slots are designated for use in supporting both inbound and outbound communication traffic relative to the consumer electronic device.

11. In a consumer electronic device adapted to communicate with one or more peripheral devices, a method for facilitating communications via a wireless communications link, comprising:

monitoring for communications transmitted from the one or more peripheral devices and, if no communication transmissions occur within a specified period after a start of a communication slot, transmitting an end of slot marker pulse;

assigning, in response to a request received from a peripheral device, an unused communication slot for use by the peripheral device to transmit a data packet to the consumer electronic device; and

issuing the end of slot marker pulse when a data packet has been transmitted from the requesting peripheral device in the assigned communication slot.

12. The method as recited in claim 11, further comprising issuing the end of slot marker pulse when a data packet has not been received from the requesting peripheral device within a predetermined amount of time after the start of the assigned communication slot.

13. The method as recited in claim 11, further comprising de-allocating the communication slot.

14. In a peripheral device adapted to communicate with a consumer electronic device, an electronically readable media having embedded instructions executable by a processing device of the peripheral device for facilitating communications via a wireless communications link, the instructions performing steps comprising:

monitoring the communications link for activity;

if it is determined that the communications link is active;

monitoring the communications link to find an idle slot;

transmitting a request to the consumer electronic device in the next occurrence of the idle slot to request that the consumer electronic device secure the idle slot for use by the peripheral device to communicate with the consumer electronic device;

monitoring for a response to the request message transmitted by the consumer electronic device that assigns the idle slot as a communication slot for use by the peripheral device; and

using the communication slot to communicate with the consumer electronic device.

15. The readable media as recited in claim 14, wherein the request includes a registry number for the peripheral device.

16. The readable media as recited in claim 15, wherein the request includes a tag to be used to identify the peripheral device.

17. The readable media as recited in claim 14, wherein the communication slot is automatically de-allocated by the consumer electronic device upon the occurrence of the communication slot not being used by the peripheral device.

18. The readable media as recited in claim 14, wherein the request includes a request for persistent use of the idle slot by the peripheral device.

19. The readable media as recited in claim 14, wherein, if it is determined that the communications link is inactive, the instructions perform the further steps of:

asynchronously transmitting a request to the consumer electronic device to secure a slot for use in communications;

monitoring for a response from the consumer electronic device to the request message that assigns to the peripheral device a slot as a communication slot; and

using the communication slot to communication with the electronic device.

20. The readable media as recited in claim 14, wherein using the communication slot comprises monitoring for a marker pulse that indicates the end of a slot preceding the communication slot.

21. The readable media as recited in claim 20, wherein the marker pulse is generated when communications in the slot preceding the communication slot have ended.

22. The readable media as recited in claim 14, wherein communications are performed using an IR protocol.

23. The readable media as recited in claim 14, wherein communication slots are designated for use in supporting both inbound and outbound communication traffic relative to the electronic device.

24. In a consumer electronic device adapted to communicate with one or more peripheral devices, an electronically readable media having embedded instructions executable by a processing device of the consumer electronic device for facilitating communications via a wireless communications link, the instructions performing steps comprising:

monitoring for communications transmitted from the one or more peripheral devices and, if no communication transmissions occur within a specified period after a start of a communication slot, transmitting an end of slot marker pulse;

assigning, in response to a request received from a peripheral device, an unused communication slot for use by the peripheral device to transmit a data packet to the consumer electronic device; and

issuing the end of slot marker pulse when a data packet has been transmitted from the requesting peripheral device in the assigned communication slot.

25. The readable media as recited in claim 24, wherein the instructions perform the step of issuing the end of slot marker pulse when a data packet has not been received from the requesting peripheral device within a predetermined amount of time after the start of the assigned communication slot.

26. The readable media as recited in claim 24, wherein the instructions perform the step of de-allocating the communication slot.

27. The readable media as recited in claim 26, wherein the communication slot is de-allocated when a data packet has not been received from the requesting peripheral device within a predetermined amount of time after the start of the assigned communication slot.