# US 10,374,292 B2 · Wireless backhaul network using traveling wave antennas > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,292 B2 - Document ID: US10374292B2 - Status: Granted - Kind: B2 - Application number: 15/836,512 - Filed: 2017-12-08 - Published: 2018-06-14 - Granted: 2019-08-06 - Earliest claimed: 2016-12-09 - Assignees: Everest Networks, Inc. - Applicants: Everest Networks, Inc. - Inventors: Jean-Francois Frigon; Arbinder Singh Pabla; Michael Davies - Web page: https://patentgrep.com/patent/US10374292B2 ## CPC - H01Q 1/246: {specially adapted for base stations} - H01Q 1/2291: {used in Bluetooth® or Wi-Fi® devices of Wireless Local Area Networks [WLAN] (H01Q1/241 takes precedence; WLAN in general H04W)} - H01Q 13/206: {Microstrip transmission line antennas} - H01Q 21/068: {using parallel coplanar travelling wave or leaky wave aerial units (H01Q21/065 takes precedence)} - H04B 5/28: using the near field of leaky cables, e.g. of leaky coaxial cables - H04B 7/0617: {for beam forming} - H04B 7/0691: {using subgroups of transmit antennas} - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04B 7/0413: MIMO systems - H04W 92/045: {between access point and backbone network device} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Disclosed are embodiments of a wireless access device for use in a wireless backhaul network. In an embodiment, a wireless access device for accessing a wireless network comprises: a first antenna module including a plurality of traveling wave antennas, wherein at least one of the traveling wave antennas has at least two ports; and an interface circuit coupled to the first antenna array, the interface circuit configurable to interconnect one or more radios to the one or more traveling wave antennas, including selectively interconnecting a radio frequency (RF) signal from a radio to a first port of at least one traveling wave antenna to generate a first beam for a first non-line-of-sight (NLOS) link of a wireless backhaul network, and selectively interconnecting a same or different RF signal from the same or another radio to a second port of the traveling wave antenna to generate a second beam for a second NLOS link of the wireless backhaul network, wherein the first and second beams have different radiation patterns or polarization. ## Claims ### Claim 1 A wireless access device for accessing a wireless network comprising: a first antenna module including a plurality of traveling wave antennas, wherein at least one of the traveling wave antennas has at least two ports; and an interface circuit coupled to the first antenna array, the interface circuit configurable to interconnect one or more radios to the one or more traveling wave antennas, including selectively interconnecting a radio frequency (RF) signal from a radio to a first port of at least one traveling wave antenna to generate a first beam for a first non-line-of-sight (NLOS) link of a wireless backhaul network, and selectively interconnecting a same or different RF signal from the same or another radio to a second port of the traveling wave antenna to generate a second beam for a second NLOS link of the wireless backhaul network, wherein the first and second beams have different radiation patterns or polarization. ### Claim 2 (depends on 1) The wireless access device of claim 1, where the first and second NLOS links of the wireless backhaul network are generated simultaneously. ### Claim 3 (depends on 1) The wireless access device of claim 1, further comprising: a second antenna module integrated with the first antenna module on a common printed circuit board, the second antenna module being dedicated for user communications on a wireless network coupled to the wireless backhaul network. ### Claim 4 (depends on 1) The wireless access device of claim 1, wherein the at least one traveling wave antenna is a planar, leaky wave antenna. ### Claim 5 (depends on 1) The wireless access device of claim 1, wherein the first or second beams are dynamically adjusted to maximize link performance by combining one or more selected clusters of NLOS signals from one or more different reflectors. ### Claim 6 (depends on 1) The wireless access device of claim 1, wherein the first and second antenna modules are arranged in a polygonal structure having N faces, where each antenna module is attached to a different face and N is a positive integer. ### Claim 7 (depends on 1) The wireless access device of claim 1, wherein the first and second antenna modules are included in a stack of one or more printed circuit board cards coupled to a backplane connector. ### Claim 8 (depends on 1) The wireless access device of claim 1, wherein the first and second antenna modules are configured with different antenna gains. ### Claim 9 (depends on 1) The wireless access device of claim 1, wherein the plurality of antennas is configured to have at least one of a single or cross polarization. ### Claim 10 (depends on 1) The wireless access device of claim 1, wherein the plurality of antennas includes at least two antennas that are configured to carry data channels at different frequencies using different technologies. ### Claim 11 (depends on 1) The wireless access device of claim 1, wherein the first antenna module includes at least two antennas that are configured to carry data channels at the same frequency for spatial multiplexing or spatial reuse with low co-channel interference. ### Claim 12 A wireless backhaul network comprising: a first wireless access device coupled to a first structure, the first access device including: a first antenna module including a plurality of traveling wave antennas, wherein at least one of the traveling wave antennas has at least two ports; a first interface circuit coupled to the first antenna array, the first interface circuit configurable to interconnect one or more radios to the one or more traveling wave antennas, including selectively interconnecting a radio frequency (RF) signal from a radio to a first port of at least one traveling wave antenna to generate a first beam for a first non-line-of-sight (NLOS) link of the wireless backhaul network, and selectively interconnecting a different RF signal from the same or another radio to a second port of the traveling wave antenna to generate a second beam for a second NLOS link of the wireless backhaul network, wherein the first and second beams have different radiation patterns or polarization; and a second wireless access device coupled to a second structure, the second access device including: a first antenna module including a plurality of traveling wave antennas, wherein at least one of the traveling wave antennas has at least two ports and is independently configurable; an interface circuit coupled to the first antenna array, the interface circuit configurable to interconnect one or more radios to the one or more traveling wave antennas, including selectively interconnecting RF signal from a radio to a first port of at least one traveling wave antenna to generate a third beam for a third non-line-of-sight (NLOS) link of the wireless backhaul network, and selectively interconnecting a different RF signal from the same or another radio to a second port of the traveling wave antenna to generate a fourth beam for a fourth NLOS link of the wireless backhaul network, wherein the third and fourth beams have different radiation patterns or polarization. ### Claim 13 (depends on 12) The wireless access device of claim 12, where the first and second NLOS links of the wireless backhaul network are generated simultaneously. ### Claim 14 (depends on 12) The wireless backhaul network of claim 12, further comprising: a second antenna module integrated with the first antenna module on a common printed circuit board, the second antenna module being dedicated for user communications on a wireless network coupled to the wireless backhaul network. ### Claim 15 (depends on 12) The wireless backhaul network of claim 12, wherein the at least one traveling wave antenna is a planar, leaky wave antenna. ### Claim 16 (depends on 12) The wireless backhaul network of claim 12, wherein at least one of the first, second, third or fourth beams are dynamically adjusted to maximize link performance by combining one or more selected clusters of NLOS signals from one or more different reflectors. ### Claim 17 (depends on 12) The wireless backhaul network of claim 12, wherein the first and second antenna modules are arranged in a polygonal structure having N faces, where each antenna module is attached to a different face and N is a positive integer. ### Claim 18 (depends on 12) The wireless backhaul network of claim 12, wherein the first and second antenna modules are included in a stack of one or more printed circuit board cards coupled to a backplane connector. ### Claim 19 (depends on 12) The wireless backhaul network of claim 12, wherein the first and second antenna modules are configured with different antenna gains. ### Claim 20 (depends on 12) The wireless backhaul network of claim 12, wherein the plurality of antennas is configured to have at least one of a single or cross polarization. ### Claim 21 (depends on 12) The wireless backhaul network of claim 12, wherein the plurality of antennas includes at least two antennas that are configured to carry data channels at different frequencies using different technologies. ### Claim 22 (depends on 12) The wireless backhaul network of claim 12, wherein the first antenna module includes at least two antennas that are configured to carry data channels at the same frequency for spatial multiplexing or spatial reuse with low co-channel interference.