# US 10,772,009 B2 · Wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,772,009 B2 - Document ID: US10772009B2 - Status: Granted - Kind: B2 - Application number: 16/323,725 - Filed: 2016-12-19 - Published: 2019-07-11 - Granted: 2020-09-08 - Earliest claimed: 2016-10-26 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Yuta Seki - Web page: https://patentgrep.com/patent/US10772009B2 ## CPC - H04W 24/02: Arrangements for optimising operational condition - H04L 25/00: Baseband systems - H04W 88/085: {Access point devices with remote components} - H04W 92/12: between access points and access point controllers - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A wireless communication system includes a plurality of baseband processing apparatuses each of which performs baseband signal processing and outputs a baseband signal, and a wireless apparatus which makes connections to the plurality of baseband processing apparatuses and transmits a radio frequency signal that is obtained by performing radio frequency signal processing on the baseband signal that is output from one of the plurality of baseband processing apparatuses. ## Claims ### Claim 1 A wireless communication system comprising: a plurality of baseband processing apparatuses, each of which, in operation, performs baseband signal processing and outputs a baseband signal; and a wireless apparatus, which, in operation, makes connections to the plurality of baseband processing apparatuses and transmits a radio frequency signal that is obtained by performing radio frequency signal processing on the baseband signal that is output from one of the plurality of baseband processing apparatuses, wherein the wireless apparatus performs the radio frequency signal processing on the baseband signal that is output from a baseband processing apparatus that has established a link earlier, of the plurality of baseband processing apparatuses. ### Claim 2 (depends on 1) The wireless communication system of claim 1, wherein the wireless apparatus is positioned at an edge of one cell that is formed by one of the plurality of baseband processing apparatuses. ### Claim 3 (depends on 1) The wireless communication system of claim 1, wherein a priority is prescribed in advance for each of the plurality of baseband processing apparatuses for every given time interval, and wherein a baseband processing apparatus for which highest priority is prescribed, of the plurality of baseband processing apparatuses, outputs the baseband signal to the wireless apparatus. ### Claim 4 (depends on 3) The wireless communication system of claim 3, wherein, in a case where the baseband processing apparatus for which the highest priority is prescribed does not output the baseband signal, a baseband processing apparatus for which next highest priority is prescribed outputs the baseband signal. ### Claim 5 (depends on 1) The wireless communication system of claim 1, wherein the plurality of baseband processing apparatuses acquires pieces of information relating to loads on each other, and wherein a baseband processing apparatus that has a heaviest load, of the plurality of baseband processing apparatuses, outputs the baseband signal. ### Claim 6 (depends on 5) The wireless communication system of claim 5, wherein, in a case where the baseband processing apparatus that has the heaviest load does not output the baseband signal, a baseband processing apparatus that has a next heaviest load outputs the baseband signal. ### Claim 7 A wireless communication system comprising: a plurality of baseband processing apparatuses, each of which, in operation, performs baseband signal processing and outputs a baseband signal; and a wireless apparatus, which, in operation, makes connections to the plurality of baseband processing apparatuses and transmits a radio frequency signal that is obtained by performing radio frequency signal processing on the baseband signal that is output from one of the plurality of baseband processing apparatuses, wherein a priority is prescribed in advance for each of the plurality of baseband processing apparatuses for every given time interval, and wherein a baseband processing apparatus for which highest priority is prescribed, of the plurality of baseband processing apparatuses, outputs the baseband signal to the wireless apparatus. ### Claim 8 (depends on 7) The wireless communication system of claim 7, wherein the wireless apparatus is positioned at an edge of one cell that is formed by one of the plurality of baseband processing apparatuses. ### Claim 9 (depends on 7) The wireless communication system of claim 7, wherein, in a case where the baseband processing apparatus for which the highest priority is prescribed does not output the baseband signal, a baseband processing apparatus for which next highest priority is prescribed outputs the baseband signal. ### Claim 10 (depends on 7) The wireless communication system of claim 7, wherein the plurality of baseband processing apparatuses acquires pieces of information relating to loads on each other. ### Claim 11 A wireless communication system comprising: a plurality of baseband processing apparatuses, each of which, in operation, performs baseband signal processing and outputs a baseband signal; and a wireless apparatus, which, in operation, makes connections to the plurality of baseband processing apparatuses and transmits a radio frequency signal that is obtained by performing radio frequency signal processing on the baseband signal that is output from one of the plurality of baseband processing apparatuses, wherein the plurality of baseband processing apparatuses acquires pieces of information relating to loads on each other, and wherein a baseband processing apparatus that has a heaviest load, of the plurality of baseband processing apparatuses, outputs the baseband signal. ### Claim 12 (depends on 11) The wireless communication system of claim 11, wherein the wireless apparatus is positioned at an edge of one cell that is formed by one of the plurality of baseband processing apparatuses. ### Claim 13 (depends on 11) The wireless communication system of claim 11, wherein, in a case where the baseband processing apparatus that has the heaviest load does not output the baseband signal, a baseband processing apparatus that has a next heaviest load outputs the baseband signal.