Collaborative Research in DAta in Your Space (DAYS)

本研究探讨了一种利用广播技术向无线用户提供数据的新架构。本研究的目的是为实现“数据在你的空间（DAYS）”这一概念制定方案，该概念将广播（推）和传统查询（拉）技术结合到一个全球无线方法中。在这个方案中，数据广播器（特殊服务器）将不断地广播（推送）请求的数据到一组“专用”无线通道，这些数据将被客户端（数据的用户）在任何时间和任何地点捕获。因此，该空间将被用作所有移动和静态设备的持久存储。通用无线广播方法要求移动用户能够找到并使用正确的广播信息。我要解决的一些问题包括：1。移动用户如何知道哪个频道有正确的数据？如何将数据分配给信道？在众多移动用户的情况下，哪些技术可以有效地确定每个频道的最佳内容？如果没有明确的用户查询，如何保证移动用户所需要的数据正在被广播？移动用户如何确保所需的数据随其移动？这些问题必须在全球范围内加以审查。

This research investigates a new architecture designed to providedata to wireless users using a broadcast technique. The objective of this research is to develop schemes for implementing the concept ``DAta in your space (DAYS)" which combines broadcasting (push) and traditional querying (pull) techniques into one global wireless approach. In this scheme the data broadcasters (special servers) will continuouslybroadcast (push) requested data to a set of ``dedicated" wirelesschannels, which will be captured by clients (users of the data) atany time and at any place. The space will thus be used aspersistent storage for all mobile as well as static devices. A universal wireless broadcast approach requires that mobile users be able to find and use the right broadcast information. Some of the questions to mbe addressed include:1. How can the mobile user know which channel has the correct data?2. How is data to be assigned to channels?3. What techniques can be used to effectively determine the best contents of each channel given many mobile users?4. Without explicit user queries, how can the mobile user be assured that the needed data is being broadcast?5. How can the mobile user be assured that the needed data moves with him?These issues have to be examined on a global scale.