Method in wireless network using relays

• US 9,178,608 B2
• Filed: 11/09/2009
• Issued: 11/03/2015
• Est. Priority Date: 11/09/2009
• Status: Active Grant

• Current Assignee: Saab AB
• Original Assignee: Saab AB
• Inventors: Backman, Anders
• Primary Examiner(s): Shah, Chirad
• Assistant Examiner(s): SMITH, JOSHUA Y
• Application Number:
  US13/508,837
• Publication Number:
  US 20120281626A1
• Time in Patent Office: 2,185 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H04B 7/2606 Arrangements for base station coverage control, e.g. by using relays in tunnels
• CPC Class Codes: H04W 84/047 using dedicated repeater stations

Abstract

Nodes, network and methods for communicating utilizing radio in a network including nodes. The method includes broadcasting from a center node, transmitting from a first primary peripheral node, and transmitting from an intermediate node to the center.

Claims

1. A method for communicating in a network comprising a plurality of first nodes, the first nodes comprising a center node, at least two intermediate nodes including a first intermediate node and a second intermediate node, and at least two peripheral nodes including a first primary peripheral node and a first secondary peripheral node, wherein the first intermediate node is between the center node and the first primary peripheral node, and wherein the second intermediate node is between the center node and the first secondary peripheral node, the method comprising:

broadcasting information from the center node utilizing radio and by employing a primary time division multiple access scheme,

receiving the broadcast information directly from the center node at the first primary peripheral node, wherein the information is not forwarded by an intermediate node, and receiving the information broadcast from the center node by at least one other node of the first nodes utilizing radio, wherein the first primary peripheral node and the at least one other node of the first nodes employ a time division multiple access scheme synchronized with the primary time division multiple access scheme,

receiving the broadcast information directly from the center node at the first secondary peripheral node, wherein the broadcast information is not forwarded by an intermediate node, wherein the first secondary peripheral node employs the time division multiple access scheme synchronized with the primary time division multiple access scheme,

receiving the broadcast information directly from the center node at the first intermediate node and the second intermediate node, wherein the broadcast information is not forwarded by an intermediate node,

transmitting first primary peripheral information from the first primary peripheral node to the first intermediate node utilizing radio,

transmitting first intermediate information from the first intermediate node to the center node utilizing radio and by employing the primary time division multiple access scheme, the first intermediate information comprising at least part of the first primary peripheral information,

transmitting first secondary peripheral information from the first secondary peripheral node to the second intermediate node utilizing radio, and

transmitting second intermediate information from the second intermediate node to the center node utilizing radio and by employing the primary time division multiple access scheme, the second intermediate information comprising at least part of the first secondary peripheral information.

2. The method according to claim 1, wherein transmitting first primary peripheral information is carried out by employing a first secondary time division multiple access scheme that is synchronized with the primary time division multiple access scheme.

3. The method according to claim 1, wherein transmitting first primary peripheral information is carried out by employing the primary time division multiple access scheme.

4. The method according to claim 1, further comprising:

receiving broadcast information from the center node at the first intermediate node.

5. The method according to claim 4, wherein the first intermediate information comprises information which is derived at the first intermediate node.

6. The method according to claim 1, wherein the at least one peripheral node comprises a second primary peripheral node, the method further comprising:

receiving broadcast information from the center node at the second primary peripheral node, and

transmitting second primary peripheral information from the second primary peripheral node to the first intermediate node utilizing radio, the first intermediate information comprising at least part of the second primary peripheral information.

7. The method according to claim 1, wherein the second intermediate information comprises information which is derived at the second intermediate node.

8. The method according to claim 1, wherein transmitting first secondary peripheral information is carried out by employing a second secondary time division multiple access scheme that is synchronized with the primary time division multiple access scheme.

9. The method according to claim 1, wherein transmitting first secondary peripheral information is carried out by employing the primary time division multiple access scheme.

10. The method according to claim 1, wherein a first secondary radio channel is employed for transmitting from the first primary peripheral node, and wherein a second secondary radio channel is employed for transmitting from the first secondary peripheral node.

11. The method according to claim 10, wherein a center radio channel is employed for broadcasting from the center node, for transmitting from the first intermediate node, and for transmitting from the second intermediate node.

12. The method according to claim 10, wherein at least one radio channel selected from a group comprising the first secondary radio channel, the second secondary radio channel, and/or the center radio channel employs at least one multiple access principle selected from a group comprising FDMA, CDMA, Spatial Division, and Antenna sectorization.

13. The method according to claim 1, wherein the first intermediate node comprises sub intermediate nodes including a first primary sub intermediate node and a second primary sub intermediate node, wherein transmitting first primary peripheral information from the first primary peripheral node to the first intermediate node comprises transmitting first primary peripheral information from the first primary peripheral node to the first primary sub intermediate node, and wherein transmitting first intermediate information from the first intermediate node to the center node comprises transmitting first intermediate information from the second primary sub intermediate node to the center node, the method further comprising:

transmitting primary sub intermediate information comprising at least part of the first primary peripheral information from the first primary sub intermediate node to the second primary sub intermediate node.

14. The method according to claim 13, further comprising:

receiving broadcast information from the center node at the first primary sub intermediate node.

15. The method according to claim 13, further comprising:

receiving broadcast information from the center node at the second primary sub intermediate node.

16. A center node configured for communication in a network comprising first nodes, the first nodes comprising the center node, at least two intermediate nodes including a first intermediate node and a second intermediate node, and at least two peripheral nodes including a first primary peripheral node and a first secondary peripheral node, wherein the first intermediate node is between the center node and the first primary peripheral node, and wherein the second intermediate node is between the center node and the first secondary peripheral node, the center node configured to perform communication comprising:

broadcasting information directly from the center node to the first primary peripheral node, wherein the information is not forwarded by an intermediate node, and to at least one other node of the first nodes utilizing radio, wherein the first primary peripheral node and the at least one other node of the first nodes employ a time division multiple access scheme synchronized with the primary time division multiple access scheme,

broadcasting information directly from the center node to the first secondary peripheral node, wherein the broadcast information is not forwarded by an intermediate node, wherein the first secondary peripheral node employs the time division multiple access scheme synchronized with the primary time division multiple access scheme,

broadcasting information directly from the center node to the first intermediate node and the second intermediate node, wherein the broadcast information is not forwarded by an intermediate node,

receiving at the center node first intermediate information from the first intermediate node utilizing radio and by employing the primary time division multiple access scheme, the first intermediate information comprising at least part of first primary peripheral information received by the first intermediate node from the first primary peripheral node utilizing radio,

receiving at the second node second intermediate information from the second intermediate node utilizing radio and by employing the primary time division multiple access scheme, the second intermediate information comprising at least part of first secondary peripheral information received by the second intermediate node from the first secondary peripheral node utilizing radio.

17. A first intermediate node configured for communication in a network comprising first nodes, the first nodes comprising a center node, at least two intermediate nodes including a first intermediate node and a second intermediate node, and at least two peripheral nodes including a first primary peripheral node and a first secondary peripheral node, wherein the first intermediate node is between the center node and the first primary peripheral node, and wherein the second intermediate node is between the center node and the first secondary peripheral node, the first intermediate node configured to perform communication comprising:

receiving at the first intermediate node first primary peripheral information from the first primary peripheral node utilizing radio,

transmitting at least part of the first primary peripheral information from the first intermediate node to the center node utilizing radio and by employing a first time division multiple access scheme,

receiving broadcast information directly from the center node at the first primary peripheral node, wherein the information is not forwarded by an intermediate node, and receiving the information broadcast from the center node by at least one other node of the first nodes utilizing radio, wherein the first primary peripheral node and the at least one other node of the first nodes employ a time division multiple access scheme synchronized with the primary time division multiple access scheme,

receiving broadcast information directly from the center node at the first secondary peripheral node, wherein the broadcast information is not forwarded by an intermediate node, wherein the first secondary peripheral node employs the time division multiple access scheme synchronized with the primary time division multiple access scheme,

receiving at the first intermediate node and the second intermediate node information directly from the center node, wherein the broadcast information is not forwarded by an intermediate node,

transmitting first secondary peripheral information from the first secondary peripheral node to the second intermediate node utilizing radio, and

transmitting second intermediate information from the second intermediate node to the center node utilizing radio and by employing the primary time division multiple access scheme, the second intermediate information comprising at least part of the first secondary peripheral information.

18. A first primary peripheral node configured for communication in a network comprising first nodes, the first nodes comprising a center node, at least two intermediate nodes including a first intermediate node and a second intermediate node, and at least two peripheral nodes including a first primary peripheral node and a first secondary peripheral node, wherein the first intermediate node is between the center node and the first primary peripheral node, and wherein the second intermediate node is between the center node and the first secondary peripheral node, the first primary peripheral node configured to perform communication comprising:

receiving directly at the first primary peripheral node information broadcast from the center node utilizing radio, wherein the information is not forwarded by an intermediate node, the information being broadcast utilizing radio and by employing a primary time division multiple access scheme, utilizing radio and employing a time division multiple access scheme synchronized with the primary time division multiple access scheme,

transmitting first primary peripheral information from the first primary peripheral node to the first intermediate node utilizing radio,

receiving the broadcast information directly from the center node at the first secondary peripheral node, wherein the broadcast information is not forwarded by an intermediate node, wherein the first secondary peripheral node employs the time division multiple access scheme synchronized with the primary time division multiple access scheme,

receiving at the first intermediate node and the second intermediate node information directly from the center node, wherein the broadcast information is not forwarded by an intermediate node,

transmitting first intermediate information from the first intermediate node to the center node utilizing radio and by employing the primary time division multiple access scheme, the first intermediate information comprising at least part of the first primary peripheral information,

transmitting first secondary peripheral information from the first secondary peripheral node to the second intermediate node utilizing radio, and

transmitting second intermediate information from the second intermediate node to the center node utilizing radio and by employing the primary time division multiple access scheme, the second intermediate information comprising at least part of the first secondary peripheral information.

19. A communication network configured for communication, the network comprising:

first nodes, the first nodes comprising a center node, at least two intermediate nodes including a first intermediate node and a second intermediate node, and at least two peripheral nodes including a first primary peripheral node and a first secondary peripheral node, wherein the first intermediate node is between the center node and the first primary peripheral node, and wherein the second intermediate node is between the center node and the first secondary peripheral node, the first nodes being configured

to broadcast information from the center node utilizing radio and by employing a primary time division multiple access scheme,

to receive the information directly from the center node at the first primary peripheral node, wherein the information is not forwarded by an intermediate node, and receiving the information broadcast from the center node by at least one other node of the first nodes utilizing radio, wherein the first primary peripheral node and the at least one other node of the first nodes employ a time division multiple access scheme synchronized with the primary time division multiple access scheme,

to receive the broadcast information directly from the center node at the first secondary peripheral node, wherein the broadcast information is not forwarded by an intermediate node, wherein the first secondary peripheral node employs the time division multiple access scheme synchronized with the primary time division multiple access scheme,

to receive the broadcast information directly from the center node at the first intermediate node and the second intermediate node, wherein the broadcast information is not forwarded by an intermediate node,

to transmit first primary peripheral information from the first primary peripheral node to the first intermediate node utilizing radio,

to transmit first intermediate information from the first intermediate node to the center node utilizing radio and by employing the primary time division multiple access scheme, the first intermediate information comprising at least part of the first primary peripheral information,

to transmit first secondary peripheral information from the first secondary peripheral node to the second intermediate node utilizing radio, and

to transmit second intermediate information from the second intermediate node to the center node utilizing radio and by employing the primary time division multiple access scheme, the second intermediate information comprising at least part of the first secondary peripheral information.