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US 8,620,230 B2Granted
Wireless network architecture and method for base station utilization
OwnerAmichay Sanderovitz, Avi Steiner +1inventors
InventorsAmichay Sanderovitz, Avi Steiner, Shaike Schatzberger
Life of this patent
Estimating the term…
Abstract
Wireless network system including a plurality of base stations each configured to manage active links to mobile stations within a range; and a controller configured to control the base stations to provide at least two of the active links from two different base stations simultaneously to a given mobile station in integral manner for joint processing.
Claims27
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller is configured to decode a transmission of said mobile station by using joint signal processing results from at least two of said plurality of network nodes, and
- wherein one of said active links is a main link and others of said active links are helper links.
3 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller is configured to decode a transmission of said mobile station by using joint signal processing results from at least two of said plurality of network nodes, and
- wherein said controller is configured such that one of said active links is used to provide side information for a second of said active links.
3 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller is configured to decode a transmission of said mobile station by using joint signal processing results from at least two of said plurality of network nodes, and
- wherein a first of said network nodes is configured to provide joint signal processing of a respective helper link and to forward a result thereof to a second of said network nodes for further joint signal processing with a respective active link thereat.
3 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller is configured to decode a transmission of said mobile station by using joint signal processing results from at least two of said plurality of network nodes, and
- wherein said network nodes are base stations, and one of said base stations is configured as a master base station and at least one other of said base stations is configured as a slave base station, thereby forming a base station cluster.
3 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller is configured to decode a transmission of said mobile station by using joint signal processing results from at least two of said plurality of network nodes,
- wherein one of said network nodes is a helping base station, and
- wherein at least one of received signal compression and error correcting coding are jointly performed on a received signal, prior to forwarding to a destination node among said plurality of network nodes.
4 more elements
A method for wireless networking comprising:
- providing a plurality of base stations to manage active links to mobile stations within a range;
- controlling said base stations to provide at least two active links from two base stations simultaneously to a given mobile station in an integral manner for joint signal processing;
- and
- providing at least one base station from among said plurality of base stations with a helper link to said mobile station,
- wherein said controlling comprises jointly processing said two active links to encode transmissions to said mobile station,
- wherein said base stations and said mobile station are network nodes, and said controlling comprises processing using four network nodes, wherein one of said four network nodes is a receiving mobile station, two of said four network nodes are transmitting base stations performing joint signal processing on an input from a fourth network node of said four network nodes for further joint processing with the respective active link of said fourth network node,
- wherein the active links are downlinks, for downlink collaboration,
- wherein the base stations are arranged in clusters, the active links being transmitted from base stations of a same cluster, and
- wherein the method further comprises each of said base stations separately performing beamforming, the base stations applying a space-time coding permutation between themselves.
6 more elements
A method for wireless networking comprising:
- providing a plurality of base stations to manage active links to mobile stations within a range;
- controlling said base stations to provide at least two active links from two base stations simultaneously to a given mobile station in an integral manner for joint signal processing;
- and
- providing at least one base station from among said plurality of base stations with a helper link to said mobile station,
- wherein said controlling comprises jointly processing said two active links to encode transmissions to said mobile station,
- wherein said base stations and said mobile station are network nodes, and said controlling comprises processing using four network nodes, wherein one of said four network nodes is a receiving mobile station, two of said four network nodes are transmitting base stations performing joint signal processing on an input from a fourth network node of said four network nodes for further joint processing with the respective active link of said fourth network node,
- wherein the active links are downlinks, for downlink collaboration,
- wherein the base stations are arranged in clusters, the active links being transmitted from base stations of a same cluster, and
- wherein the method further comprises each of said base stations separately using a respectively different cyclic shift delay in downlink OFDM, thereby avoiding unintentional beamforming.
6 more elements
A method for wireless networking comprising:
- providing a plurality of base stations to manage active links to mobile stations within a range;
- controlling said base stations to provide at least two active links from two base stations simultaneously to a given mobile station in an integral manner for joint signal processing;
- and
- providing at least one base station from among said plurality of base stations with a helper link to said mobile station,
- wherein said controlling comprises jointly processing said two active links to encode transmissions to said mobile station,
- wherein said base stations and said mobile station are network nodes, and said controlling comprises processing using four network nodes, wherein one of said four network nodes is a receiving mobile station, two of said four network nodes are transmitting base stations performing joint signal processing on an input from a fourth network node of said four network nodes for further joint processing with the respective active link of said fourth network node,
- wherein said active links are downlinks, for downlink collaboration, and
- wherein the base stations are clustered into slave base stations and a master base station, said downlinks being controlled by the master base station, and each base station in the cluster having a same address such that collaboration within the cluster is transparent.
5 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller comprises a joint signal processing unit to jointly process said two active links to decode transmissions of said mobile station,
- wherein said controller is configured to pass a joint processing result of a first one of said network nodes to each of a second one and third one of said network nodes for further joint signal processing with the respective active links thereat, and
- wherein one of said active links is a main link and others of said active links are helper links.
4 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller comprises a joint signal processing unit to jointly process said two active links to decode transmissions of said mobile station,
- wherein said controller is configured to pass a joint processing result of a first one of said network nodes to each of a second one and third one of said network nodes for further joint signal processing with the respective active links thereat, and
- wherein said joint signal processing unit is configured such that one of said active links is used to provide side information for a second of said active links.
4 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller comprises a joint signal processing unit to jointly process said two active links to decode transmissions of said mobile station,
- wherein said controller is configured to pass a joint processing result of a first one of said network nodes to each of a second one and third one of said network nodes for further joint signal processing with the respective active links thereat, and
- wherein a first of said network nodes is configured to provide joint signal processing of a respective helper link and to forward a result thereof to a second of said network nodes for further joint signal processing with a respective active link thereat.
4 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller comprises a joint signal processing unit to jointly process said two active links to decode transmissions of said mobile station,
- wherein said controller is configured to pass a joint processing result of a first one of said network nodes to each of a second one and third one of said network nodes for further joint signal processing with the respective active links thereat, and
- wherein said network nodes are base stations, and one of said base stations is configured as a master base station and at least one other of said base stations is configured as a slave base station, thereby forming a base station cluster.
4 more elements
A wireless network system comprising:
- a plurality of network nodes, each configured to manage active links to mobile stations within a range;
- and
- a controller configured to control said network nodes to provide at least two active links from at least two different network nodes from among said plurality of network nodes simultaneously to a given mobile station in an integral manner for joint signal processing,
- wherein at least one network node from among said plurality of network nodes has an active link which is a helper link to said mobile station,
- wherein said controller comprises a joint signal processing unit to jointly process said two active links to decode transmissions of said mobile station,
- wherein said controller is configured to pass a joint processing result of a first one of said network nodes to each of a second one and third one of said network nodes for further joint signal processing with the respective active links thereat, and
- wherein one of said network nodes is a helping base station, and wherein at least one of received signal compression and error correcting coding are jointly performed on a received signal, prior to forwarding to a destination node among said plurality of network nodes.
4 more elements
Dependencies are inferred from the claim text.