Reference no: EM131097473
A UMTS network consists of two cells. There are six active terminals in the network. The channel gains between every terminal and both base stations are given in Table 7.3. The table also shows the supported data rate for each terminal in both uplink and
downlink. The chip rate is 3.84 Mchip/s. Every terminal is assigned to the base station which has the better channel gain. The target Eb/N0 is 8.5 dB for all terminals in both UL and DL. Assume the worst-case scenario for the orthogonality and voice activity factor. The maximum available power at the base stations is 5 W. The maximum allowed throughput of the cell is 2 Mb/s. The maximum transmit power of terminals is 23 dBm. Finally, the additive noise power in UL and DL is 90 dBm
(a) Calculate the optimum transmit DL and UL power values.
(b) Is the system feasible (in UL and DL)? If not relax the network using the optimum removal algorithm. (c) Calculate the UL and DL load factors.
(d) Calculate the UL noise rise.
(e) If the threshold value for both UL and DL load factors is 0.8, calculate the maximum possible acceptance of new terminals similar to terminal number 1 in Table 7.3.
(f) If terminal 2 requests a new service that requires increasing the UL data rate from 16 kb/s to 64 kb/s, will the AC accept this request?
(g) Explain the network behaviour if the channel gain of terminal 4 with base station 1 has decreased according to the shadowing effect = 120 dB.
|
Probability of selecting two green marbles
: Suppose you place 6 green, 8 blue, and 2 yellow marbles in a non-transparent bag. You then randomize the marbles by shaking them up thoroughly. Assume you then randomly select two marbles from the bag without replacement.
|
|
What is the size of its exchange rate intervention
: Suppose that the demand for dollars curve in the foreign exchange market is QD=100-e(Peso/$) and the supply for dollars curve is given by QS=3e(Peso/$). What is the equilibrium exchange rate? Suppose that the Fed fixes the exchange rate at e(Peso/$) ..
|
|
Write a program that creates a binary file by reading the
: Write a program that creates a binary file by reading the data for the students from the terminal. The data of each student consist of roll no., name ( a string of 30 or lesser no. of characters ) and marks.
|
|
Create a derived class to store the age of the patients
: Create a structure to store the date (year, month and date as its members). Create a base class to store the above information. The member function should include functions to enter information and display a list of all the patients in the database. ..
|
|
Calculate the optimum transmit dl and ul power values
: Explain the network behaviour if the channel gain of terminal 4 with base station 1 has decreased according to the shadowing effect = 120 dB.
|
|
Was national insurance justified in suspending erskine
: Did Helen Barnett's actions invade James Erskine's right to privacy? Was National Insurance justified in suspending Erskine? What should be the key elements of an employee computer and Web use policy?
|
|
Price indexes-what is the inflation rate
: Consider the following price indexes: 90 in 2008, 100 in 2009, 110 in 2010, 121 in 2011, and 150 in 2012. (show all work) What is the base year? How do you know this? What is the inflation rate between 2009 to 2010?
|
|
Compute the expected return-standard deviation
: Compute the expected return, standard deviation, and value at risk for each of the following investments: Investment (A): Pays $100 three-fourths of the time and a $140 loss otherwise.
|
|
Create a base class to store the above information
: Create a structure to store the date (year, month and date as its members). Create a base class to store the above information. The member function should include functions to enter information and display a list of all the patients in the database. ..
|