Báo cáo hóa học: " Effective Radio Resource Management for Multimedia Broadcast/Multicast Services in UMTS Networks" ppt

... chain incorpo- rating 16-QAM non-uniform constellations. In this scheme there are 2 parallel processing chains, one for the basic infor- mation stream and the other for the enhancement informa- tion. 4. ... km/h selective combining and increasing the number of received radio links provides reduction in the transmitted power in- dependently of the combining technique. In Figure 8...

Ngày tải lên: 22/06/2014, 22:20

... combination of both. In the third paper “Joint downlink power control and multicode receivers for downlink transmissions in high speed UMTS, ” Sayadi et al. investigate how to combine downlink power ... research inter- ests are in the area of radio resource management techniques and MAC and signaling layer protocols for high-speed wireless-access networks using OFDMA/CDMA tec...

Ngày tải lên: 22/06/2014, 22:20

... strongly to the fixed point of T, which is the unique solution of the variational inequality (2.20). FIXED POINT VARIATIONAL SOLUTIONS FOR UNIFORMLY CONTINUOUS PSEUDOCONTRACTIONS IN BANACH SPACES ANIEFIOK ... mapping defined by J(x):={f ∈ E ∗ : x, f =x 2 , f =x, x ∈ E} where ·,· denotes the generalized duality pairing. Following Morales [6], a mapping T with domain D(T) and range...

Ngày tải lên: 22/06/2014, 22:20

... hardware platform [7]. It can be used for environment surveillance, robotics, interactive toys, or object recognition and tracking. Traffic loads on multimedia services over resource constrained wireless ... from source to sink node. It is the sum of delays at all links within the end-to-end path. The delay at an intermedi- ate node usually includes the following components: processin...

Ngày tải lên: 20/06/2014, 22:20

... communicate with the coordinato r. Rapidly or continually adapt their BO, SO values may incur the link broken. In addition, large hop counts will increase large loss rate in our simulation. For simplify the ... hardware platform [7]. It can be used for environment surveillance, robotics, interactive toys, or object recognition and tracking. Traffic loads on multimedia services ove...

Ngày tải lên: 21/06/2014, 00:20

... B. Hoang, “Applying graph coloring in resource coordination for a high-density wireless environ- ment,” in Proceedings of the IEEE 8th International Conference on Computer and Information Technology ... the initial topology. In Scenario III, two-edge modifications are pre- formed for the initial topology. In the simulation, the radio resource of the initial topology is always...

Ngày tải lên: 21/06/2014, 05:20

... the information theoretic rates. This implies that the optimization technique used in this paper can be incorporated as a building block in a variety of resource allocation settings. Lastly, in ... by fixing the overall band for this link and performing joint power and bandwidth optimization. Therefore, as long as the relay-to-destination SNRs are different, which is usually the case...

Ngày tải lên: 21/06/2014, 18:20

... multiplexing gain, coding gain, and SNR gain. New channel estimation methods must also be developed in order to estimate not only the channel gain values but also other related inputs (see Table 1). For ... maximizing the throughput, minimizing the Tx power, and so on. 7. CONCLUSIONS The scientific field of radio flexibility is growing in impor- tance and appeal. Although still in fair...

Ngày tải lên: 23/06/2014, 00:20

... brought to the laboratory for process- ing within 30 minutes. Samples were collected mid to late morning, and these were not first-morning urine. Urine was tested for blood, proteins, glucose and Ketones ... more non-exosomal contaminants present when using a simple pelletting approach; and that exosomes are therefore less abundant in urine than originally thought. Comparing urinary-exo...

Ngày tải lên: 18/06/2014, 15:20

... "bursting" to describe their pain. Interviewers in China noted that these Table 3: Focus Group Health Information Health Information U.S. (N = 50) Brazil (N = 16) China (N = 18) Finland ... sensations for Spanish subjects were either electric shocks or "stabbing pins on fire." Interestingly, subjects in China defined their worst pain by the emotions they felt or...

Ngày tải lên: 18/06/2014, 19:20