information and communication technology books

As a synonym for high-speed and effective network, optical fiber networks are widely used in communication systems. Achieving transparent and high-survivability all-optical communication networks is the development goal of broadband communication networks. As an important basic technology in all-optical

communication market platformA. Instant Messaging and OA platformWith the development of society and the progress of Network technology, OA (office automation) platform is gradually adopted by enterprises of all walks of life, OA system as the core platform of business turnover, starting from the source of business data, effectively control the flow of business, and through the mature integration

separated. In the decoding phase, each data packet is used only to successfully receive data packets, therefore, the advantage of receiving the same information from different nodes is limited. MIMO_NC uses the damaged CP to transmit all received information to the decoder, making full use of redundant information to improve its performance. 2. Further research

、SOAP、CORBA、JMS、HTTP , to specifically look at these remote communication application-level protocol.3.1 RMI (remote method call)RMI是个典型的为java定制的远程通信协议, as we all know, in a single VM, we can communicate by invoking the Java object instance directly, so if it is the best way to do this in remote communication, the mechanism of this kind of remote communication be

PrefaceWith the development of information technology and the increasing demand of users, mobile communication technology has been known as the most development potential in the field of modern communication, and the most popular research hotspot in the market foreground. At

frequency. In other words, the receiver's Local Vibration must also be a frequency hopping. It is hard to understand that the sending and receiving sides must maintain a consistent start time and end time; otherwise, normal communication cannot be achieved. Obviously, the key component of the Frequency Hopping Communication System is the frequency hopping, and the frequency hopping synchronization is the c

Unified Communication, literally, seems easy to understand. However, the current network and communication convergence trend makes the Unified Communication technology more extensive. For example, video, email, and instant messaging applications. However, vendors do not agree with the concept of Unified

particularly eye-catching. Over the past few years, people have been constantly exploring and developed the dazzling wireless communication protocols and products. The most popular short-distance wireless data communication standards include Bluetooth, Wi-Fi (802.11), IRDA, extremely promising, and widely recognized ZigBee (IEEE 802.15.4. 1. Comparison of several wireless transmission technologies 1. 1 Blu

, can contain six major components: Voice, information transmission, presentation and IM instant messaging), mobility, conferencing, and APIs application interfaces ). These six parts are the basic components of Unified Communication. There is no doubt about the role of speech in the Unified Communication Technology Sy

rise and fall times to obtain a modulation signal with a gigabit Hz (GHz) bandwidth, it is also called "baseband signal" or "no carrier signal ". Its bandwidth is very wide, and the spectrum is often extended from DC to GHz. This signal is widely used because of its advantages such as high resolution, high processing gain, low theft, large information content, and ability to detect hidden targets. TM-UWB communic