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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

通訊元件產業經營策略之個案研究

蘇開建 Unknown Date (has links)
隨著無線通訊產業的蓬勃發展,通訊元件/模組基板技術將對無線通訊產業未來發展扮演重要角色,台灣業者應採取何種經營策略,才能在競爭激烈的環境中保有競爭優勢,是本研究主要目的。 本研究架構係採用Aaker的理論架構來進行內外在分析與策略規劃。整個研究分為四個階段:一、首先進行內在分析,以界定外在環境中的機會與威脅,以及該產業的關鍵成功因素,並了解個案公司所擁有的優劣勢。二、根據以上分析,歸納出該公司所面臨的問題。三、提出可行的策略,在該策略下擬定競爭策略與營運策略。 經過本研究分析後發現國內通訊元件/模組製造業者關鍵成功因素為:先進的製程技術與設備、掌握材料技術與資源、規模經濟以及完整解決方案之提供能力。 從內外在環境分析及條件來看,本研究建議個案公司最適合採取成長策略,才能發揮個案公司的核心能力,尤其是應該在短期內採取產品擴張策略,以其技術研發的競爭優勢,針對無線通訊市場,進行產品擴張。在長期則採市場擴張策略,並適度地進行向前整合的多角化,投資與原材料及下游封裝測試業,以降低營運成本。由於個案公司具有LTCC技術領先地位,量產經歷豐富,中法兩地零時差技術服務,建立中法兩地生產基地,透過這些優勢,該公司可以建立產品與服務的差異化集中, 而提昇競爭力。   本研究研擬國內通訊元件/模組廠商之競爭策略及如何提高競爭優勢,以期對國內業者提供決策性之參考方向。
2

無線通信產業標準形成與發展之研究 / Wireless Communications Industrial Standard Formation and Development

洪一峰, Stephen Hung Unknown Date (has links)
藉由研究無線通信產業標準的制訂過程與主流標準的形成機制,本研究探討過去有關影響產業標準建立的文獻與個案,提出系統發展過程中,各影響因素扮演的角色與提供的功能,以瞭解在無線通信產業中,影響一標準脫穎而出成為市場主流的關鍵因素。本研究主要的研究發現如下: 一、政府的政策對標準後續發展相當重要,若政府態度是採開放競爭,則將在境內形成多種標準競爭而耗掉大部分能量,未來在標準向外推展上較吃虧。反之政府若能主導統一標準,常能使相關資源更集中焦點來發展單一標準,未來對外推展上較能成功。 二、協會能否發揮協商能力,使各業者提出之標準能相結合,是主流標準形成之關鍵之一,協會若能使各業者放棄成見,取得共識形成單一標準將有助於標準之發展。 三、對標準主導者而言,若能成為主流標準確實擁有很多潛在利益,為爭取標準的支持度,便會有很多遊說及策略聯盟產生,若能取得越多成員支持,常較能形成主流標準,因此標準擁有者若能降低權利金門檻,甚至將其免費授權並公開架構,標準成為市場主流之成長速度將會加快。但若成員過於複雜也容易阻礙標準演進的進度。 四、第三代行動電話的應用以多媒體為主,這是相當革命性的嚐試,故能否找到消費者公認的殺手級應用服務(killer application)成為成敗關鍵要素之一。 五、標準形成之發源地需有足夠的經濟規模量的支持,才能累積足夠資源向境外擴展。 六、標準形成在發酵期必須取得單一標準共識,在漸進變化期於境內快速建立成功經驗,並順利將成功複製於境外地區,這個模式較能成功成為主流標準。另在建立標準時需有明確的願景與目標、具國際化的規格設計,才可減少在對外擴展時之障礙。 / This thesis is intended to make explicit the roles played and functions provided by the various factors in the process of system development by means of an investigation of the process of the formation of a wireless communications standard and the mechanism that makes it a dominant. By studying the documents and cases on the factors affecting the establishment of a standard, we have come to recognize six fundamentals that make it stand out as a dominant. These six fundamentals are summarized as follows: 1. The policy made by the government plays an essential part in the further development of the formation of a given standard. If the government adopts an attitude of open competition, then lots of related resources will be wasted on the keen competition between vying forces in the local market, which is, in turn, detrimental to outward expansion. On the contrary, if the government integrates the related resources and helps form a unitary standard, the standard may succeed in opening other markets. 2. The Association is also an important positive contributor in the process of the formation of a unitary standard. The Association should do its best to mediate between each vying standard to reach an agreement and adopt a unitary standard, which is definitely instrumental in the further development. 3. For those who want to direct the formation of a standard and get the tremendous potential profits from it, they will do a lot of lobbying and form strategic alliances to attract more supports for the standard. When succeeding in doing so, the owners of the unitary standard can speed up the growth of its market by lowering the royalty and license limit, or even by opening its architecture with a free authorization. 4. The application of the third-generation cellular phones features multi-media, which is a considerably revolutionary attempt. Therefore, the success of it depends on whether the standard can come up with a killer application that appeals to consumers. 5. The local market from which the standard originates should be big enough to support it, so the standard can stand firm on the strong basis and reach out for other markets. 6. The formation of a standard should be based on an agreement of a unitary standard at the ferment stage. And at the transition stage, it should build up a successful experience as soon as possible in the local market and then successfully duplicate the model in the international ones. Besides, a definite goal and a clear vision as well as internationalized regulations and designs all contribute to lifting the barriers in its expanding outwards.
3

使用穿戴裝置實現即時相對方向定位 / Real-time relative directional positioning using wearable devices

蔡育銓, Tsai,Yua Chan Unknown Date (has links)
近年來穿戴相關發展越來越蓬勃,特別是在虛擬-實境的綜合藝術表 演中,例如: 電影「猩球崛起」。然而大部分虛擬實境的綜合內容是 基於腳本預先錄製好的,而且演員需要大量的練習,使表演能夠完美 演出。此外,如果我們想要在兩人的相對方向定位上有特殊效果,那 麼預先錄製的的方法是不合適的。解決這個問題的一個方法是,使用 高品質的相機偵測身體的姿勢或位置。但是精准度常會受限於光線或 是障礙物。 本篇論文中,我們提出一個即時相對方向定位方法,這方法使用無線 可穿戴式設備解決這個問題。我們結合BLE 所發送的Received Signal Strength Indicator (RSSI)與IMU 感測器資訊,來追蹤兩個表演者的相對方向定位的位置。但是RSSI 資料有波動與不穩定性、IMU 會引起 累積的誤差。我們發明了「可靠程度」的RSSI 量測概念,並且把這 概念運用在IMU 定期校正上。我們實驗的情況是,兩個人的舞蹈來 驗證準確性,結果是令人滿意的。我們還使用Unity 來實踐人體骨架, 以便與兩個舞者動作做比較。在未來,我們開發的方案可以用於藝術 表演,使內容更豐富,更具互動性。 / In recent years, wearable-related applications are flourishing, especially in virtual-real integrated art performance, such as “Rise of the Planet of the Apes”. However, most of the virtual-real integrated contents are pre-recorded based on the script, and the performer needs a lot of practice to make the integration perfect. Moreover, if we want to make special effect based on the relative directional positions of two performers, the pre-recorded approach is not suitable. One way to tackle this problem is to use the high-quality camera to detect the body posture or position.But the accuracy is usually limited in light intensity or obstacles. In this thesis, we propose a real-time relative directional positioning approach using wireless wearable devices to solve this problem. We use Received Signal Strength Indicator (RSSI) of BLE, combined with IMU sensors to track two performers’ relative directional positions. The RSSI fluctuates and the IMU causes accumulated errors. We invent the concept of “reliable level” of RSSI measures to periodically correct the IMU errors. We experiment the scenario of two-person dance to validate the accuracy, and the result is satisfactory. We also use Unity to real-time render the human skeleton for comparison with the two dancers’ motion.In the future, our developed scheme can be used in the art performance to make the content richer and more interactive.

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