uni fi

1. If key is empty, then the column value can be duplicated, indicating that the column has no index, or is a non-leading column of a non-unique composite index2. If key is a PRI, then the column is part of the primary key3. If key is uni, then the column is the first column (the leading column) of a unique value index and must not contain a null value (NULL)4. If key is Mul, the value of the column can be repeated, which is a leading column of a non-

Heterogeneous NetworksIn the process of integration, ZTE is based on the SDR Soft Base Station TechnologyThe Uni-RAN solution is fully qualifiedIt is widely recognized by more operators and has become a mainstream network construction model. Accelerating multi-network collaboration The coexistence of 2G/3G/WLAN/LTE and other networks has become a trend. With the introduction of Iot/sensor networks and the development of Smart Cities, multiple heteroge

No wonder your Wi-Fi is slow, and your vro has Wi-Fi. --> Today's Wi-Fi has become the basic level of Maslow's demand theory, and its importance to modern people is no less than physiological needs. The most critical device for connecting to Wi-Fi is a wireless router. It is especially important to place a home rou

The Wi-Fi Alliance named "Halow" for Low-Power Wi-Fi" A few days ago, the Wi-Fi Alliance announced the certification program at the Consumer Electronics exhibition in Las Vegas, USA. When enterprises purchase a Wi-Fi Halow product, they can ensure that the product uses 802.11ah technology developed by the Institute

Wi-Fi Alliance announces the completion of Wi-Fi direct standard, so that Wi-Fi devices do not need to connect to traditional home, office or hotspot network, you can achieve mutual connection, the relevant equipment certification work has begun, through the certification of products will get Wi-Fi certified Wi-

The Wi-Fi Alliance named "Halow" for Low-Power Wi-Fi" A few days ago, the Wi-Fi Alliance announced the certification program at the Consumer Electronics exhibition in Las Vegas, USA. When enterprises purchase a Wi-Fi Halow product, they can ensure that the product uses 802.11ah technology developed by the Institute

Wi-Fi network access (1), Wi-Fi network access I. What are the statuses of the Wi-Fi network card? WIFI has the following five statuses, which are actually plastic constants: 1. WIFI_STATE_DISABLED: WIFI is unavailable,The value is:1. 2. WIFI_STATE_DISABLING: the WIFI is being disabled. Because the WIFI is being disabled, this status indicates that the WIFI is be

Determine whether a Wi-Fi connection is available and whether a Wi-Fi connection is available /*** Determine whether the current connection mode is a Wi-Fi connection** @ Param context* @ Return*/Private static boolean isWifiConnected (Context context){Return getNetworkState (context, ConnectivityManager. TYPE_WIFI) = State. CONNECTED;} /*** Obtain the connection

Using Network Service Discovery, showed you how to discover services that are connected to a local network. however, using Wi-Fi Direct trad; Service Discovery allows you to discover the services of nearby devices directly, without being connected to a network. you can also advertise the services running on your device. these capabilities help you communicate between apps, even when no local network or hotspot is available. While this set of APIs is

Solve the Problem of connecting wireless wi-fi network to macbookpro, macbookwi-fiAfter a long time, I tried all the methods on the Internet, and the ip dns and so on were ineffective. The Wi-Fi search network was displayed on the computer wireless network, but the router was not connected, the original reason is that my external usb 3.0 extended connection line, because the type-c extended connection line

WORKAROUND: Shorten the response time;Specific methods:Path: Frameworks/base/services/java/com/android/server/wifi/wificontroller.javaCode: Class Wificontroller extends StateMachine {* Being enabled but not active exceeds the battery drain caused by* Re-establishing a connection to the mobile data network.*/-Private static final Long Default_idle_ms = 15 * 60 * 1000; /* minutes */+ private static final Long Default_idle_ms = 1 * 60 * 1000; /* 1 minutes */Set-wifi-advanced settings, choose to kee

steps continue with the win7 System) Click the wireless network ID. The network connection Status dialog box is displayed; Select the desired wireless network connection, right-click, and select "properties" from the menu "; In the Properties window, select the "Security" tab and tick the "show characters" option. The network key is displayed. Method 2: view the password through wireless router settings If you use a wireless router to access the Internet, the password of the wireless

Label: style Io AR for SP Div on BS ad How to shield 14 Channels [Solution] Alps \ mediatek \ custom \ {projectname} \ cgen \ defaults Default \ pai_wifi_default.hWifi_pai_param_struct stwificfgdefault ={0x0103,/* own version */0x0000,/* peer version */{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},/* MAC address */{0x00, 0x00},/* Country Code * // modify this struct. For example, to change it to EU, modify it as follows:{0x45, 0x55},/* Country Code Eu */{0x55, 0x53}/* Country Code us */After the modifi

According to statistics, China's mobile phone users are approaching 600 million, with the sound of mobile networks and rapid development, mobile phones and other mobile terminals access to Wi-Fi internet access, has become the preferred choice for most netizens, and anytime, anywhere connected Wi-Fi network, but also for users to save the trouble of mobile phone traffic. But we often ignore the importance o

Address: http://blog.csdn.net/innost/article/details/8474683Android Wi-Fi Display (Miracast) IntroductionIn mid-November 2012, Google released Android 4.2. Although it is a Jelly Bean series with Android 4.1, it adds a lot of new features. In the display section, Android 4.2 builds on project butter and adds support for the Wi-Fi display feature. As a result, the entire display architecture has changed sign

Address: http://blog.csdn.net/innost/article/details/8474683Android Wi-Fi Display (Miracast) IntroductionIn mid-November 2012, Google released Android 4.2. Although it is a Jelly Bean series with Android 4.1, it adds a lot of new features. In the display section, Android 4.2 builds on project butter and adds support for the Wi-Fi display feature. As a result, the entire display architecture has changed sign

Wi-Fi peer-to-peer (peer-to peers), which agrees with the corresponding hardware of the Android 4.0 (API level 14) or a higher version of the device can directly communicate via WiFi without the need for other intermediate transit nodes (Android Wi-Fi peer framework complies with the Wi-Fi affiliate Wi-Fi direct authen

Tagged with: Android Wi-Fi peer networkWi-Fi peer-to-peer (peer-to-peer network), which allows Android 4.0 with the appropriate hardware (API level 14) or later devices can communicate directly via WiFi without the need for other intermediate transit nodes (Android Wi-Fi peer-to-frame complies with Wi-Fi affiliate Wi-

Wi-Fi technology, which has long been regarded as the "Ugly Duckling" in wireless technology, is rapidly developing into a necessary strategic tool for mobile operators. However, regarding the role of Wi-Fi in the operator's business, whether Wi-Fi can exist as a separate business model still needs to be combined with existing mobile services, but there is contro