Outdoor Wireless Multiple Hops V.S. Double Bridge & Repeater (Backhaul Dead End) Comprehensive Comparison Tables

Transcription

1 Outdoor Wireless Multiple Hops V.S. Double Bridge & Repeater (Backhaul Comprehensive Comparison Tables IO-Power Outdoor WiFi MIMO Wireless Multiple Hops Backhaul System Structure Mbps Mbps Mbps Mbps Mbps Mbps Mbps Mbps Multiple Hops Mbps Mbps Mbps Mbps Support Throughput 320Mbps Max 1. Design 2.4GHz & 5.8GHz dual band & 2*2 MIMO Multi three RF modules backhaul system solution. 2. Layer 2 Multiple Hops features and lowest reduce on throughput, even after 5 times hops, it can support throughput. 3. Even after 10 times of Hops, the packet latency is under 10ms. It can support special wireless system demand. 4. Each PtP hop distance is more than 5Km, proper for big city or wide area wireless surveillance or long distance 30 Km multi backhaul systems. Form No.:IOP-OANI Rev.:A.1 1 Retention date:6years

2 General Outdoor WiFi MIMO Wireless Dual RF Module Bridge Backhaul System Structure 5~10Mbps Latency & Packet Act time problems 15~20Mbps 30~40Mbps 70~80Mbps 140~160Mbps 5~15Mbps 20~30Mbps 60~70Mbps 120~150Mbps 5~15Mbps 20~30Mbps 60~70Mbps 120~150Mbps 1. Dual RF Module Bridge each hop will reduce 1/3~1/2 throughput. After 5 hops, it may cause backhaul dead end. 2. More than 5 times hops will have packet latency and act time issues. 3. When the latency or act time or reduce throughput situation happens, this wireless system will meet backhaul dead end problem. 4. Wireless Hops will add CPU & RAM & RF Module and software management loading, if the outdoor wireless device CPU & RAM cannot support enough effect, the throughput will reduce more and faster. Form No.:IOP-OANI Rev.:A.1 2 Retention date:6years

3 General Outdoor WiFi MIMO Wireless Double Bridge Backhaul System Structure Latency & Packet Act time problems 10~20Mbps 20~40Mbps 40~60Mbps Latency will add 90~120Mbps Ethernet Cable Docking 140~160Mbps Latency & Packet Act time problems 5~15Mbps 15~30Mbps 30~50Mbps Latency will add 70~100Mbps Ethernet Cable Docking 130~150Mbps Latency & Packet Act time problems 5~15Mbps 15~30Mbps 30~50Mbps Latency will add 70~100Mbps Ethernet Cable docking 130~150Mbps 1. Double Bridge each hop will reduce 1/3~1/2 throughput. After 6 hops, it may cause backhaul dead end. 2. More than 4 times hops, it will have packet latency and act time issues. Ethernet Cable Docking sometimes needs another switch to connect two devices, it will add more hops and packet latency and act time, the hops reduce throughput issues will be more serious. 3. When the latency or act time or reduce throughput situation happens, this wireless system will meet backhaul dead end problem. 4. Wireless Hops will add CPU & RAM & RF Module and software management loading, if the outdoor wireless device CPU & RAM cannot support enough effect, the throughput will reduce more and faster. Form No.:IOP-OANI Rev.:A.1 3 Retention date:6years

4 General Outdoor WiFi MIMO Wireless -WDS Backhaul System Structure -WDS 7 -WDS WDS is working as & Client, it is specially extended surf internet backhaul, but the throughput will cut down1/2 in the backhaul because the devices need to transmit -throughput and Client-throughput, the total throughput will be shared. 2. -WDS will have more CPU & RAM management loading, if the outdoor wireless device CPU & RAM cannot support enough effect, the throughput will reduce more and faster. -WDS 5 -WDS 4 5~10Mbps -WDS 3 15~30Mbps -WDS 2 50~70Mbps -WDS 1 50~70Mbps 3. When the latency or act time or reduce throughput situation happens, this wireless system will meet backhaul dead end problem. General Outdoor WiFi MIMO Wireless Repeater Backhaul System Structure Repeater 7 Repeater 6 1~5Mbps Repeater 5 5~10Mbps Repeater 4 15~20Mbps Repeater 3 30~40Mbps Repeater 2 70~80Mbps Repeater 1 140~160Mbps 1. Repeater is working as forward transmit, it is specially extended backhaul, but the throughput will reduce 1/2 throughput at each repeater in the backhaul. Even you set up dual radio for wireless repeater system, the throughput will reduce more and faster. 2. When the latency or act time or reduce throughput situation have happens, this wireless system will meet backhaul dead end problem. Form No.:IOP-OANI Rev.:A.1 4 Retention date:6years

5 Outdoor WiFi MIMO Wireless Multiple Hops Backhaul System Design Case Studies Case Study 1: City Wide Road Crossroads High Throughput MIMO WiFi Wireless Surveillance System Wireless systems design guide: 1. design of multiple hops relay platform to not more than 6 jumped 2.The basis for the design, each wireless backbone links to no bandwidth over 60Mbps for design requirements 3. In the erection of three forks or crossroads, 103R three wireless module designs, reserved engineering change link direction to set up or increase future links to expand or equipment upgrade needs. Form No.:IOP-OANI Rev.:A.1 5 Retention date:6years

6 Design 4 Backhaul to provide 4 * 110Mbps = 440Mbps Throughput for Wireless Surveillance System CH 161 CH Mbps (40Mbps 110Mbps (40Mbps 120Mbps (50Mbps CH 112 CH 64 CH 42 Design of bandwidth estimation HT40MHz: 130Mbps HT20MHz: (60Mbps MIMO frequency and channel design 11na Plus: 36/44/52/60/100/108/132/149/157 CH 11na Minus: CH 136 CH Mbps (60Mbps 150Mbps (80Mbps 140Mbps (70Mbps CH 60 CH 56 CH 132 CH 36 Transmission set (Access Point ( Client Control Center 1. Wireless backbone links for a total of at least 110*4 = 440Mbps available transmission bandwidth 2. Centre for wireless monitoring and management backbone to the intersection near the pool (nearly ends short distance optical networks, if necessary 3. Minor roads as the backbone for wireless transmission, avoid main roads of trees blocking signal tree failure (Per 1 meter thickness of leaves of street trees decaying 8~15dBm, wireless signal cannot be penetrated ' will be absorbed Wireless bandwidth prediction commentary: 1. the multiple hops relay platform technology, 1th hop 140~160Mbps, 2nd hops 130~150Mbps, 3rd hops 120~140Mbps, 4th hops 110~130Mbps, 5th hops after to maintain 110~120Mbps bandwidth, lower bandwidth will not increase the number of platform and response time not less than 10ms. Form No.:IOP-OANI Rev.:A.1 6 Retention date:6years

7 Case Study 2: Train Station & Train Crossings Multiple Hops Wireless Surveillance System Train Station Control Center Hop 1 160Mbps Hops 5 140Mbps Hops 4 145Mbps Hops 3 150Mbps Hops 2 155Mbps Hops 6 140Mbps Hops 7 140Mbps Form No.:IOP-OANI Rev.:A.1 7 Retention date:6years

8 Case Study 3: Design Double Link & Double-decked Backhaul to Provide Upper Level 480Mbps and Lower Level 260Mbps Throughput. The Lower level repeater hops backhaul 130*2=260Mbps Two Way Backhaul 300m*5=1.5Km 300m*10=3Km Total 3Km* Km*2 = 30Km The upper level repeater hops backhaul 120*4=480Mbps Four Backhaul 1.5Km 3Km 3Km 3Km 3Km 3Km 3Km 3Km 3Km 3Km 1.5Km Form No.:IOP-OANI Rev.:A.1 8 Retention date:6years

9 The lower level Multiple Hops: 3Km Throughput 260Mbps for IP Camera * 10 about 30Mbps bandwidth requirement 3Mbps (128Mbps 9Mbps (140Mbps 15Mbps (154Mbps 12Mbps (154Mbps 6Mbps (140Mbps 150m 300m 300m 300m 300m 300m 300m 300m 300m 300m 150m 收費站 6Mbps (132Mbps 12Mbps (146Mbps 15Mbps 15Mbps (160Mbps (160Mbps (Storage Multiple Hops RF1-5*3=15Mbps (128Mbps RF3-5*3=15Mbps (132Mbps Backhaul RF2-10*3=30Mbps (120Mbps 9Mbps (146Mbps 3Mbps (132Mbps Total 260Mbps Form No.:IOP-OANI Rev.:A.1 9 Retention date:6years

10 The upper level Multiple Hops: 30Km Throughput 480Mbps for IP Camera * 100 about 300Mbps bandwidth requirement 30Mbps (132Mbps 28.5Km 25.5Km 19.5Km 90Mbps (146Mbps 13.5Km 7.5Km 150Mbps (160Mbps 1.5Km Surveillance System Control Center CMS Charging station 28.5Km 22.5Km 16.5Km 10.5Km 4.5Km Total System Planning Guide: 60Mbps (140Mbps 120Mbps (154Mbps 480Mbps 1. Multiple Hops each repeater hop, about 5~8Mbps bandwidth reduction, after the fifth repeater hops, the bandwidth will keep on 120~140Mbps, no longer reduces bandwidth. 2.Upper formation backbone the end each link must withstand =150Mbps to collect the total bandwidth, the load is very heavy, suggested that the IP Camera bandwidth setup 2Mbps, Speed Dome setup 3Mbps is suitable, which will bring together reduce total bandwidth to 115Mbps. 3. Wireless by straight line transmission primarily, if the highway has the curve area, must additionally build a repeater hop spot in the curve area, or increase or decrease adjustments to two points apart. Form No.:IOP-OANI Rev.:A.1 10 Retention date:6years