Hàng Việt còn bất cập với truyền thông pot

... lượng với giá cả phù hợp quả không dễ. Khi tìm kiếm dịch vụ truyền thông cho trà Tam Thanh, ông Nguyễn Đăng Hiến, tổng giám đốc Bidrico kể: “Khi tôi đặt hàng để làm hẳn chiến lược truyền thông ... việc thiếu ý tưởng đơn giản. Việt Nam là bỏ tiền để đầu tư truyền thông trước, kéo doanh thu sản phẩm lên sau. Qua thời hữu xạ tự nhiên hương Tại hội chợ Hàng Việt Nam...

Ngày tải lên: 12/07/2014, 10:20

... specific case looked at in Reference [38], we made an attempt to assess in a more generic manner the potential benefit of load- based access control compared to the random access protocol as a function

Ngày tải lên: 20/10/2013, 18:15

... 2G systems will be reviewed briefly. Macrocell Microcell Satellite spot beam Figure 2.1 Microcells, macrocells, and a satellite spot-beam 40 2 CELLULAR MOBILE COMMUNICATION SYSTEMS: FROM 1G TO 4G 2.4 ... macrocellular layer. A space segment may be added to the terrestrial segment, where satellite spot beams overlay clusters of terrestrial macrocells [65], as illustrated in Figure 2.1. GSM, the...

Ngày tải lên: 20/10/2013, 18:15

... the further evolution of the GPRS MAC, which is based on an R-ALOHA protocol, PRMA concepts could potentially be adopted; (3) it is easier to discuss design options based on an example, which can ... station will attempt to reserve the required resources and notify the user of the resources to use and any potential temporal restrictions regarding the use of these resources. By far the most im...

Ngày tải lên: 24/10/2013, 16:15

... notable exceptions are Japan and South Korea with no GSM coverage whatsoever, while some white spots on the American continent are expected to be of temporary nature only, particularly now as ... synchronisation information and the broadcast control channel on TN 0. On this particular time-slot (and potentially on other time-slots on this carrier), frequency hopping is not allowed, as outline...

Ngày tải lên: 24/10/2013, 16:15

... observed general lack of customer acceptance for video telephony, one could question the success potential of real-time interactive video services in 3G systems 17 . However, already today, there ... on the market. Moreover, for the business market, video conferencing might be an application of potential interest. Certainly, a fundamental technical requirement for such services to become a .....

Ngày tải lên: 28/10/2013, 23:15

... backlogged. Bayes’ rule reads P(H|E) = P(E|H)P(H) P(E) (6.2) where H stands for hypothesis and E for evidence. The hypothesis is that N t = n, for each n ≥ 0, and the evidence is the ternary feedback ... smaller than the channel coherence time. This may offset (at least up to a certain cell size) any potential loss due to the additional guard periods required. Accuracy of power control may ha...

Ngày tải lên: 28/10/2013, 23:15

... achieved by increasing the total bandwidth, or by reducing the number of time-slots per frame (potentially to a single slot, thus relinquishing the TDMA feature), multiplexing efficiency with ... single-user detection, which is well known from the literature. It also shows once again that the potential benefit that can be obtained through access control is not severely affected by power control...

Ngày tải lên: 07/11/2013, 21:15

... would also require regular signalling of p v , leaving reduced computational complexity as the only potential argument in its favour. In view of the very small complexity of BB, this advantage is

Ngày tải lên: 07/11/2013, 21:15

Ngày tải lên: 07/11/2013, 21:15