ZigBee's wireless future

In general Wireless Personal Area Network (WPAN) communications maximum length is only 10m. Shorter than the wireless LAN (WLAN). ZigBee and UWB with the Bluetooth WPAN (UWB). Third tekologi now what is the world's attention in terms of technology, WPAN, ZigBee especially since they were new.
ZigBee also in IEEE 802.15 family of standards with Bluetooth (802.15.1) and UWB (802.15.3), IEEE 802.15.4 standard code. Compared to Bluetooth and UWB, ZigBee is the only communication 250kbps speed. The greatest distance communication too short (10m 70m). Zigbee But the advantage is very simple operation, small, inexpensive and requires very little energy (low power) than the other two families, Bluetooth and UWB.
ZigBee uses three frequency bands used in different ways. For the current frequency of 915 MHz used in the U.S., Europe, 868 MHz and 2.4 GHz in Japan. Using IEEE 802.15.4 physical and MAC layer itself. For the upper layers (data link, network and application interface) is determined by the ZigBee Alliance (has 124 companies registered to develop the ZigBee technology until January 2005).
ZigBee is synonymous with Zig and bees. Zig Zig-zag movement and Bee Bee. Since the properties as communication with the communication between the bees make erratic movements in the transmission of information to the bees from one location to other bees. Currently, the brand is used by the ZigBee logo Koninklijke Philips Electronics NV
Of course, we wonder what you can do with death, but ZigBee communication speed 250kbps, although Bluetooth can communicate with maximum speed up to 3 Mbps, and the first UWB personal communication speeds of 480Mbps. 'S true, ZigBee can not be used for communications with high speed applications like multimedia transmission of voice, video or large amounts of data. But part of our daily life in others, we must get in touch more often to control what information the sensor is not necessary for high speed data transfer. For sensor applications we use today. Sensors such as temperature, humidity, light, pressure and others. Communication between the sensors (sensor networks) is actually needed more at home and factories.
It 'plays this role that ZigBee WPAN through another. ZigBee ZigBee allows nodes 65 000, and communication with the Ad-hoc komunikasimultihop not unexpected. These forms of communication in the form of stars (star) or tree (the tree) can be made without the need to connect the base station or access point ZigBee, so it can be any communication (mesh) carry.
Other possible use batteries unique hands sebuat ZigBee (button type) for one year non-stop ZigBee sensors. With the ZigBee protocol Yang is very simple, ZigBee can provide information of more than 127 characters (127 bytes) only. The details are very small rate of 250kbps ZigBee transmission, and can reduce the host processor. When the PC minimum 32-bit microcomputers Bluetooth ZigBee requires only 4 or 8-bit. In addition, the system initialization takes few seconds Bluetooth, while the ZigBee requires only 30 ms (and state, a bangunya sleep up to 15 ms) only. This is excellent for detecting the speed of operations on / off is urgent.