# US 2014/0192650 A1 · Wireless network encoding management method and system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192650 A1 - Document ID: US20140192650A1 - Status: Published application - Kind: A1 - Application number: 14/234,716 - Filed: 2012-08-16 - Published: 2014-07-10 - Earliest claimed: 2011-08-31 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Xin Guo - Web page: https://patentgrep.com/patent/US20140192650A1 ## CPC - H04L 1/0076: {Distributed coding, e.g. network coding, involving channel coding (coding in both space and time H04L1/0618; cooperative diversity H04B7/022)} - H04L 2001/0097: {Relays} - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A wireless network encoding management method and device. The method includes: determining whether a network infrastructure allows inter-network wireless network encoding; if the inter-network wireless network encoding is allowed, selecting, from neighboring networks of the network infrastructure, a node capable of forming an inter-network wireless network encoding group; and forming the inter-network wireless network encoding group and performing a scheduling design. Therefore, network encoding management in heterogeneous networks can be implemented, and the system capacity of the network and an effective data rate can be increased. ## Claims ### Claim 1 A method of managing wireless network coding comprising: determining whether a network infrastructure allows for wireless network coding between networks; if yes, selecting, from a neighbor network of the network infrastructure, nodes usable to constitute an inter-network wireless network coding group; and forming the inter-network wireless network coding group and performing a schedule design. ### Claim 2 (depends on 1) The method of managing wireless network coding of claim 1, wherein determining whether the network infrastructure allows for wireless network coding between networks comprises: obtaining resource information of the network infrastructure; determining whether the wireless network coding between networks is allowed by using the resource information of the network infrastructure, based on a load status of the network infrastructure. ### Claim 3 (depends on 1) The method of managing wireless network coding of claim 1, wherein selecting the nodes usable to constitute the inter-network wireless network coding group comprises: searching for nodes having a low link quality and nodes having a heavy load in the neighbor network; determining whether each of the nodes having a low link quality and the nodes having a heavy load matches the network infrastructure; and determining a matched node as a node usable to constitute the inter-network wireless network coding group. ### Claim 4 (depends on 3) The method of managing wireless network coding of claim 3, wherein determining whether each of the nodes having a low link quality and the nodes having a heavy load matches the network infrastructure comprises: if a wireless technology used by the node and a spectrum resource occupied by the node are respectively consistent with a wireless technology used by the network infrastructure and a spectrum resource occupied by the network infrastructure and if the node is within a coverage range of the network infrastructure, determining the node as matching the network infrastructure. ### Claim 5 (depends on 1) The method of managing wireless network coding of claim 1, wherein forming the inter-network wireless network coding group and performing the schedule design comprises: forming a wireless network coding group by using a node having a low link quality, in the nodes usable to constitute the inter-network wireless network coding group, together with the network infrastructure, and performing the schedule design according to bandwidth requirements of nodes; or separating a service flow from a node having a heavy load, in the nodes usable to constitute the inter-network wireless network coding group, to form the inter-network wireless network coding group together with the network infrastructure. ### Claim 6 (depends on 1) The method of managing wireless network coding of claim 1, further comprising: forming an intra-network wireless network coding group and performing a schedule design to the intra-network wireless network coding group, before forming the inter-network wireless network coding group. ### Claim 7 (depends on 6) The method of managing wireless network coding of claim 6, wherein forming the intra-network wireless network coding group and performing a schedule design to the intra-network wireless network coding group comprises: selecting a node group meeting requirements of network coding group in the network, as the intra-network wireless network coding group; arranging an order of links in the intra-network wireless network coding group and non-network-coding links in the network, based on link qualities and network coding efficiencies; and allocating resources to the links according to the order, based on bandwidth requirements of nodes. ### Claim 8 (depends on 6) The method of managing wireless network coding of claim 6, wherein forming the intra-network wireless network coding group and performing a schedule design to the intra-network wireless network coding group comprises: selecting a node group meeting requirements of network coding group in the network, as the intra-network wireless network coding group; arranging an order of network coding links in the intra-network wireless network coding group, based on link qualities and network coding efficiencies; allocating resources to the network coding links in the intra-network wireless network coding group according to the order, based on bandwidth requirements of nodes; arranging an order of non-network-coding links in the network, based on link qualities; and allocating resources to the non-network-coding links according to the order, based on bandwidth requirements of nodes. ### Claim 9 (depends on 6) The method of managing wireless network coding of claim 6, wherein forming the intra-network wireless network coding group and performing a schedule design to the intra-network wireless network coding group comprises: performing a schedule design to a node group in the network, to form schedule information; selecting a node group meeting requirements of network coding group in the network based on the schedule information, as the intra-network wireless network coding group; arranging an order of the intra-network wireless network coding group based on network coding efficiencies; and performing a network coding resource schedule to the intra-network wireless network coding group according to the order. ### Claim 10 A device of managing wireless network coding comprising: a determining section, configured to determine whether a network infrastructure allows for wireless network coding between networks; a selecting section, configured to selecting, from a neighbor network of the network infrastructure, nodes usable to constitute an inter-network wireless network coding group if the wireless network coding between networks is allowed; and an inter-network wireless network coding group forming section, configured to form the inter-network wireless network coding group perform a schedule design. ### Claim 11 (depends on 10) The device of managing wireless network coding of claim 10, wherein the determining section comprises: an obtaining section, configured to obtain resource information of the network infrastructure; and a determining sub-section, configured to determine whether the wireless network coding between networks is allowed by using the resource information of the network infrastructure, based on a load status of the network infrastructure. ### Claim 12 (depends on 10) The device of managing wireless network coding of claim 10, wherein the selecting section comprises: a look-up section, configured to search for nodes having a low link quality and nodes having a heavy load in the neighbor network; a match determining section, configured to determine whether each of the nodes having a low link quality and the nodes having a heavy load matches the network infrastructure; and an inter-network wireless network coding group node determining section, configured to determine a matched node as a node usable to constitute the inter-network wireless network coding group. ### Claim 13 (depends on 12) The device of managing wireless network coding of claim 12, wherein the match determining section is further configured to: determine a node as matching the network infrastructure if a wireless technology used by the node and a spectrum resource occupied by the node are respectively consistent with a wireless technology used by the network infrastructure and a spectrum resource occupied by the network infrastructure and if the node is within a coverage range of the network infrastructure ### Claim 14 (depends on 10) The device of managing wireless network coding of claim 10, wherein the inter-network wireless network coding group determining section comprises: a low link quality node group determining section, configured to form a wireless network coding group by using a node having a low link quality, in the nodes usable to constitute the inter-network wireless network coding group, together with the network infrastructure, and perform the schedule design according to bandwidth requirements of nodes a heavy load node group determining section, configured to separate a service flow from a node having a heavy load, in the nodes usable to constitute the inter-network wireless network coding group, to form the inter-network wireless network coding group together with the network infrastructure. ### Claim 15 (depends on 10) The device of managing wireless network coding of claim 10, further comprising: an intra-network wireless network coding group processing section, configured to form an intra-network wireless network coding group and perform a schedule design to the intra-network wireless network coding group, before forming the inter-network wireless network coding group. ### Claim 16 (depends on 15) The device of managing wireless network coding of claim 15, wherein the intra-network wireless network coding group processing section includes: a network coding node selecting section, configured to select a node group meeting requirements of network coding group in the network, as the intra-network wireless network coding group; a link sorting section, configured to arrange an order of links in the intra-network wireless network coding group and non-network-coding links in the network, based on link qualities and network coding efficiencies; and a resource allocating section, configured to allocate resources to the links according to the order, based on bandwidth requirements of nodes. ### Claim 17 (depends on 15) The device of managing wireless network coding of claim 15, wherein the intra-network wireless network coding group processing section comprises: a network coding node selecting section, configured to select a node group meeting requirements of network coding group in the network, as the intra-network wireless network coding group; a network coding link sorting section, configured to arrange an order of network coding links in the intra-network wireless network coding group, based on link qualities and network coding efficiencies; a network coding link resource allocating section, configured to allocate resources to the network coding links in the intra-network wireless network coding group according to the order, based on bandwidth requirements of nodes; a non-network-coding link sorting section, configured to arrange an order of non-network-coding links in the network, based on link qualities; and a non-network-coding link resource allocating section, configured to allocate resources to the non-network-coding links according to the order, based on bandwidth requirements of nodes. ### Claim 18 (depends on 15) The device of managing wireless network coding of claim 15, wherein the intra-network wireless network coding group processing section comprises: a scheduling section, configured to perform a schedule design to a node group the network, to form schedule information; a network coding node selecting section, configured to select a node group meeting requirements of network coding group in the network based on the schedule information, as the intra-network wireless network coding group; an intra-network wireless network coding group sorting section, configured to arrange an order of the intra-network wireless network coding group based on network coding efficiencies; and a network coding resource scheduling section, configured to perform a network coding resource schedule to the intra-network wireless network coding group according to the order. ### Claim 19 A non-transient storage medium, having embodied thereon a computer program configured to cause a processor to implement a method of managing wireless network coding, the computer program comprising code segments configured to cause a processor to: determine whether a network infrastructure allows for wireless network coding between networks; if yes, select, from a neighbor network of the network infrastructure, nodes usable to constitute an inter-network wireless network coding group; and form the inter-network wireless network coding group and perform a schedule design.